129979961280

Names of 129979961280

• Cardinal: 129979961280 can be written as One hundred twenty-nine billion, nine hundred seventy-nine million, nine hundred sixty-one thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.2997996128 × 10¹¹

Factors of 129979961280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1905

Divisors of 129979961280

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 64 65 71 72 78 80 81 90 96 104 108 117 120 130 135 142 144 156 160 162 180 192 195 208 213 216 234 240 243 260 270 284 288 312 320 324 351 355 360 390 405 416 426 432 468 480 486 520 540 568 576 585 624 639 648 702 710 720 780 810 832 852 864 923 936 960 972 1040 1053 1065 1080 1136 1170 1215 1248 1278 1296 1404 1420 1440 1560 1620 1704 1728 1755 1811 1846 1872 1917 1944 2080 2106 2130 2160 2272 2340 2430 2496 2556 2592 2769 2808 2840 2880 3120 3159 3195 3240 3408 3510 3622 3692 3744 3834 3888 4160 4212 4260 4320 4544 4615 4680 4860 5112 5184 5265 5433 5538 5616 5680 5751 6240 6318 6390 6480 6816 7020 7244 7384 7488 7668 7776 8307 8424 8520 8640 9055 9230 9360 9585 9720 10224 10530 10866 11076 11232 11360 11502 12480 12636 12780 12960 13632 13845 14040 14488 14768 15336 15552 15795 16299 16614 16848 17040 17253 18110 18460 18720 19170 19440 20448 21060 21732 22152 22464 22720 23004 23543 24921 25272 25560 25920 27165 27690 28080 28755 28976 29536 30672 31590 32598 33228 33696 34080 34506 36220 36920 37440 38340 38880 40896 41535 42120 43464 44304 46008 47086 48897 49842 50544 51120 54330 55380 56160 57510 57952 59072 61344 63180 65196 66456 67392 68160 69012 70629 72440 73840 74763 76680 77760 81495 83070 84240 86265 86928 88608 92016 94172 97794 99684 101088 102240 108660 110760 112320 115020 115904 117715 122688 124605 126360 128581 130392 132912 138024 141258 144880 146691 147680 149526 153360 162990 166140 168480 172530 173856 177216 184032 188344 195588 199368 202176 204480 211887 217320 221520 224289 230040 235430 244485 249210 252720 257162 260784 265824 276048 282516 289760 293382 295360 299052 306720 325980 332280 336960 345060 347712 353145 368064 373815 376688 385743 391176 398736 423774 434640 440073 443040 448578 460080 470860 488970 498420 505440 514324 521568 531648 552096 565032 579520 586764 598104 613440 635661 642905 651960 664560 690120 706290 733455 747630 753376 771486 782352 797472 847548 869280 880146 886080 897156 920160 941720 977940 996840 1010880 1028648 1043136 1059435 1104192 1121445 1130064 1157229 1173528 1196208 1271322 1285810 1303920 1329120 1380240 1412580 1466910 1495260 1506752 1542972 1564704 1594944 1671553 1695096 1738560 1760292 1794312 1840320 1883440 1906983 1928715 1955880 1993680 2057296 2118870 2200365 2242890 2260128 2314458 2347056 2392416 2542644 2571620 2607840 2658240 2760480 2825160 2933820 2990520 3085944 3129408 3178305 3343106 3390192 3471687 3520584 3588624 3766880 3813966 3857430 3911760 3987360 4114592 4237740 4400730 4485780 4520256 4628916 4694112 4784832 5014659 5085288 5143240 5215680 5520960 5650320 5720949 5786145 5867640 5981040 6171888 6356610 6686212 6780384 6943374 7041168 7177248 7533760 7627932 7714860 7823520 7974720 8229184 8357765 8475480 8801460 8971560 9257832 9388224 9534915 10029318 10170576 10286480 10415061 11300640 11441898 11572290 11735280 11962080 12343776 12713220 13372424 13560768 13886748 14082336 14354496 15043977 15255864 15429720 15647040 16715530 16950960 17358435 17602920 17943120 18515664 19069830 20058636 20341152 20572960 20830122 22601280 22883796 23144580 23470560 23924160 24687552 25073295 25426440 26744848 27773496 28164672 28604745 30087954 30511728 30859440 31245183 33431060 33901920 34716870 35205840 35886240 37031328 38139660 40117272 40682304 41145920 41660244 45131931 45767592 46289160 46941120 50146590 50852880 52075305 53489696 55546992 57209490 60175908 61023456 61718880 62490366 66862120 67803840 69433740 70411680 71772480 74062656 75219885 76279320 80234544 83320488 90263862 91535184 92578320 100293180 101705760 104150610 106979392 111093984 114418980 120351816 122046912 123437760 124980732 133724240 135395793 138867480 140823360 150439770 152558640 156225915 160469088 166640976 180527724 183070368 185156640 200586360 203411520 208301220 222187968 225659655 228837960 240703632 249961464 267448480 270791586 277734960 300879540 305117280 312451830 320938176 333281952 361055448 366140736 370313280 401172720 406187379 416602440 451319310 457675920 481407264 499922928 534896960 541583172 555469920 601759080 610234560 624903660 666563904 676978965 722110896 802345440 812374758 833204880 902638620 915351840 962814528 999845856 1083166344 1110939840 1203518160 1249807320 1353957930 1444221792 1604690880 1624749516 1666409760 1805277240 1830703680 1999691712 2030936895 2166332688 2407036320 2499614640 2707915860 2888443584 3249499032 3332819520 3610554480 4061873790 4332665376 4814072640 4999229280 5415831720 6498998064 7221108960 8123747580 8665330752 9998458560 10831663440 12997996128 14442217920 16247495160 21663326880 25995992256 32494990320 43326653760 64989980640 129979961280
• Sum of all divisors σ(n): 506611542528
• Sum of proper divisors (its aliquot sum) s(n): 376631581248
• 129979961280 is an abundant number, because the sum of its proper divisors (376631581248) is greater than itself. Its abundance is 246651619968

Bases of 129979961280

• Binary: 1111001000011011010001100111111000000₂
• Hexadecimal: 0x1E4368CFC0
• Base-36: 1NPMPO00

Squares and roots of 129979961280

• 129979961280 squared (129979961280²) is 16894790334350299238400
• 129979961280 cubed (129979961280³) is 2195984193492570148963645489152000
• The square root of 129979961280 is 360527.3377706607
• The cube root of 129979961280 is 5065.5367183205

Scales and comparisons

• 129,979,961,280 seconds is equal to 4,132 years, 49 weeks, 6 days, 16 hours, 48 minutes.
• To count from 1 to 129,979,961,280 would take you about eight thousand, two hundred sixty-five 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 129979961280 cubic inches would be around 422.1 feet tall.

Recreational maths with 129979961280

• 129979961280 backwards is 082169979921
• The number of decimal digits it has is: 12
• The sum of 129979961280's digits is 63
• More coming soon!