129906216720

Names of 129906216720

• Cardinal: 129906216720 can be written as One hundred twenty-nine billion, nine hundred six million, two hundred sixteen thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2990621672 × 10¹¹

Factors of 129906216720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 202

Divisors of 129906216720

• Number of divisors d(n): 1440
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 27 28 30 31 34 35 36 40 42 45 48 49 51 54 56 60 62 63 68 70 72 80 84 85 90 93 98 102 105 108 112 119 120 124 126 135 136 137 140 144 147 153 155 168 170 180 186 189 196 204 210 216 217 238 240 245 248 252 255 270 272 274 279 280 289 294 306 310 315 336 340 357 360 372 378 392 408 411 420 432 434 441 459 465 476 490 496 504 510 527 540 548 558 560 578 588 595 612 620 630 651 680 685 714 720 735 744 756 765 784 816 822 833 837 840 867 868 882 918 930 945 952 959 980 1008 1020 1054 1071 1080 1085 1096 1116 1156 1176 1190 1224 1233 1240 1260 1302 1323 1360 1370 1395 1428 1445 1470 1488 1512 1519 1530 1581 1644 1666 1674 1680 1734 1736 1764 1785 1836 1860 1890 1904 1918 1953 1960 2023 2040 2055 2108 2142 2160 2170 2192 2205 2232 2295 2312 2329 2352 2380 2448 2466 2480 2499 2520 2601 2604 2635 2646 2740 2790 2856 2877 2890 2940 3024 3038 3060 3162 3213 3255 3288 3332 3348 3468 3472 3528 3570 3672 3689 3699 3720 3780 3836 3906 3920 4046 4080 4110 4165 4185 4216 4247 4284 4335 4340 4410 4464 4557 4590 4624 4658 4743 4760 4795 4932 4998 5040 5202 5208 5270 5292 5355 5480 5580 5712 5754 5780 5859 5880 6069 6076 6120 6165 6324 6426 6510 6576 6615 6664 6696 6713 6936 6987 7056 7140 7344 7378 7398 7440 7497 7560 7595 7672 7803 7812 7905 8092 8220 8330 8370 8432 8494 8568 8631 8670 8680 8820 8959 9114 9180 9316 9486 9520 9590 9765 9864 9996 10115 10404 10416 10540 10584 10710 10960 11067 11160 11508 11560 11645 11718 11760 12138 12152 12240 12330 12495 12648 12741 12852 13005 13020 13230 13328 13392 13426 13671 13872 13974 14161 14229 14280 14385 14756 14796 14994 15120 15190 15344 15606 15624 15810 16065 16184 16303 16440 16660 16740 16988 17136 17262 17340 17360 17640 17918 18207 18228 18360 18445 18495 18632 18972 19180 19530 19728 19992 20139 20230 20808 20961 21080 21168 21235 21420 22134 22320 22491 22785 23016 23120 23290 23436 23715 24276 24304 24660 24990 25296 25482 25704 25823 25893 26010 26040 26460 26852 26877 27342 27948 28322 28458 28560 28770 29295 29512 29592 29729 29988 30345 30380 31212 31248 31620 32130 32368 32606 32880 33201 33320 33480 33565 33976 34524 34680 34935 35280 35836 36414 36456 36720 36890 36990 37264 37485 37944 38223 38360 39015 39060 39593 39984 40278 40460 41013 41616 41922 42160 42470 42483 42840 43155 44268 44795 44982 45570 46032 46580 46872 47430 48552 48909 49320 49980 50964 51408 51646 51786 52020 52080 52920 53704 53754 54621 54684 55335 55896 56644 56916 57540 58590 59024 59184 59458 59976 60417 60690 60760 62424 62713 62883 63240 63705 64260 65212 66402 66640 66960 67130 67952 68355 69048 69360 69870 70805 71145 71672 72199 72828 72912 73780 73980 74970 75888 76446 76720 77469 78030 78120 79186 80556 80631 80920 81515 82026 83844 84940 84966 85680 86310 88536 89187 89590 89964 91035 91140 93160 93744 94860 97104 97818 98640 99603 99960 100695 101928 103292 103572 104040 104805 105840 107408 107508 109242 109368 110670 111792 112455 113288 113832 114121 114669 115080 117180 118779 118916 119952 120834 121380 121520 124848 125426 125766 126480 127410 127449 128520 129115 129465 130424 132804 134260 134385 136710 138096 139740 141610 142290 143344 144398 145656 146727 147560 147960 148645 149940 152892 154938 156060 156240 158372 161112 161262 161840 163030 164052 166005 167688 169880 169932 172620 177072 178374 179180 179928 181251 182070 182280 186320 188139 189720 191115 195636 197965 199206 199920 201390 203856 205065 206584 207144 208080 208103 209610 212415 215016 216597 218484 218736 221340 224910 226576 227664 228242 229338 230160 232407 234360 237558 237832 241668 241893 242760 244545 250852 251532 254820 254898 257040 258230 258930 260848 265608 267561 268520 268770 273105 273420 277151 279480 283220 284580 288796 291312 293454 295120 295920 297290 299880 302085 305784 309876 312120 313565 314415 316744 322224 322524 326060 328104 332010 335376 339760 339864 342363 345240 356337 356748 358360 359856 360995 362502 364140 364560 376278 379440 382230 382347 387345 391272 395930 398412 402780 403155 410130 413168 414288 416206 419220 424830 430032 433194 436968 438991 440181 442680 445935 449820 456484 458676 464814 468720 475116 475664 483336 483786 485520 489090 498015 501704 503064 505393 509640 509796 516460 517860 531216 535122 537040 537540 546210 546840 554302 558960 564417 566440 569160 570605 573345 577592 586908 593895 594580 599760 604170 611568 619752 624240 624309 627130 628830 633488 637245 645048 649791 652120 656208 664020 679728 684726 690480 697221 712674 713496 716720 721990 725004 728280 733635 752556 764460 764694 774690 782544 791860 796824 802683 805560 806310 820260 831453 832412 838440 849660 866388 873936 877982 880362 885360 891870 899640 906255 912968 917352 929628 940695 950232 966672 967572 978180 996030 1003408 1006128 1010786 1019280 1019592 1027089 1032920 1035720 1040515 1069011 1070244 1075080 1082985 1092420 1093680 1108604 1128834 1132880 1138320 1141210 1146690 1155184 1162035 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11640342 11738160 11852757 12129432 12273830 12325068 12471795 12486180 12842928 12995820 13169730 13303248 13546008 13645611 13694520 13944420 14151004 14253480 14500080 14728596 14966154 14983416 15051120 15161790 15293880 15406335 15520456 15594984 15803676 16053660 16433424 16629060 16648240 16932510 17104176 17183362 17327760 17460513 17559640 17607240 17688755 18194148 18410745 18592560 18729270 19351440 19400570 19493730 19638128 19754595 19954872 20215720 20541780 21071568 21226506 21380220 21404880 22092894 22172080 22475124 22576680 22742685 23280684 23705514 24258864 24547660 24650136 24943590 24972360 25775043 25991640 26339460 27092016 27291222 27389040 27888840 28093905 28302008 28506960 29100855 29457192 29932308 29966832 30323580 30587760 30812670 31040912 31189968 31607352 31839759 32107320 33139341 33258120 33865020 34366724 34921026 35119280 35214480 35377510 36388296 36821490 37415385 37458540 38801140 38987460 39509190 39909744 40431440 41083560 42453012 42760440 42958405 44185788 44950248 45153360 45485370 46561368 47411028 49095320 49300272 49887180 49944720 51550086 51983280 52381539 52678920 53066265 54582444 55232235 55777680 56187810 56604016 58201710 58914384 59263785 59864616 60141767 60647160 61625340 63214704 63679518 64214640 66278682 66516240 67730040 68228055 68733448 69842052 70755020 72776592 73642980 74830770 74917080 77325129 77602280 77974920 79018380 82167120 84906024 85520880 85916810 87302565 88371576 89900496 90970740 93122736 94822056 95519277 98190640 99774360 103100172 104763078 105357840 106132530 109164888 110464470 112375620 116403420 118527570 119729232 120283534 121294320 123250680 127359036 128875215 132557364 135460080 136456110 137466896 139684104 141510040 147285960 149661540 149834160 154650258 155204560 155949840 158036760 159198795 165696705 169812048 171833620 174605130 176743152 180425301 181941480 189644112 191038554 199548720 206200344 209526156 212265060 218329776 220928940 224751240 231975387 232806840 237055140 240567068 246501360 254718072 257750430 261907695 265114728 272912220 279368208 283020080 294571920 299323080 300708835 309300516 316073520 318397590 331393410 343667240 349210260 360850602 363882960 382077108 386625645 412400688 419052312 424530120 441857880 449502480 463950774 465613680 474110280 477596385 481134136 509436144 515500860 523815390 530229456 541275903 545824440 598646160 601417670 618601032 636795180 662786820 687334480 698420520 721701204 764154216 773251290 838104624 849060240 883715760 902126505 927901548 948220560 955192770 962268272 1031001720 1047630780 1082551806 1091648880 1159876935 1202835340 1237202064 1273590360 1325573640 1396841040 1443402408 1528308432 1546502580 1623827709 1804253010 1855803096 1910385540 2062003440 2095261560 2165103612 2319753870 2405670680 2547180720 2651147280 2706379515 2886804816 3093005160 3247655418 3608506020 3711606192 3820771080 4190523120 4330207224 4639507740 4811341360 5412759030 6186010320 6495310836 7217012040 7641542160 8119138545 8660414448 9279015480 10825518060 12990621672 14434024080 16238277090 18558030960 21651036120 25981243344 32476554180 43302072240 64953108360 129906216720
• Sum of all divisors σ(n): 574930344960
• Sum of proper divisors (its aliquot sum) s(n): 445024128240
• 129906216720 is an abundant number, because the sum of its proper divisors (445024128240) is greater than itself. Its abundance is 315117911520

Bases of 129906216720

• Binary: 1111000111111000000111000111100010000₂
• Hexadecimal: 0x1E3F038F10
• Base-36: 1NOET2C0

Squares and roots of 129906216720

• 129906216720 squared (129906216720²) is 16875625142503607558400
• 129906216720 cubed (129906216720³) is 2192248617047554526863340456448000
• The square root of 129906216720 is 360425.0500728273
• The cube root of 129906216720 is 5064.5785541003

Scales and comparisons

• 129,906,216,720 seconds is equal to 4,130 years, 32 weeks, 4 hours, 12 minutes.
• To count from 1 to 129,906,216,720 would take you about eight thousand, two hundred sixty-one years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 129906216720 cubic inches would be around 422 feet tall.

Recreational maths with 129906216720

• 129906216720 backwards is 027612609921
• 129906216720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129906216720's digits is 45
• More coming soon!