129768572640

Names of 129768572640

• Cardinal: 129768572640 can be written as One hundred twenty-nine billion, seven hundred sixty-eight million, five hundred seventy-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.2976857264 × 10¹¹

Factors of 129768572640

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 387

Divisors of 129768572640

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 37 40 42 48 56 60 70 73 74 79 80 84 96 105 111 112 120 140 146 148 158 160 168 181 185 210 219 222 224 237 240 259 280 292 296 316 336 362 365 370 395 420 438 444 474 480 511 518 543 553 555 560 584 592 632 672 724 730 740 777 790 840 876 888 905 948 1022 1036 1086 1095 1106 1110 1120 1168 1184 1185 1264 1267 1295 1448 1460 1480 1533 1554 1580 1659 1680 1752 1776 1810 1896 2044 2072 2172 2190 2212 2220 2336 2370 2528 2534 2555 2590 2701 2715 2765 2896 2920 2923 2960 3066 3108 3160 3318 3360 3504 3552 3620 3792 3801 3885 4088 4144 4344 4380 4424 4440 4740 5068 5110 5180 5402 5430 5530 5767 5792 5840 5846 5920 6132 6216 6320 6335 6636 6697 7008 7240 7584 7602 7665 7770 8103 8176 8288 8295 8688 8760 8769 8848 8880 9480 10136 10220 10360 10804 10860 11060 11534 11680 11692 12264 12432 12640 12670 13213 13272 13394 13505 14299 14480 14615 15204 15330 15540 16206 16352 16590 17301 17376 17520 17538 17696 17760 18907 18960 19005 20091 20272 20440 20461 20720 21608 21720 22120 23068 23384 24528 24864 25340 26426 26544 26788 27010 28598 28835 28960 29230 30408 30660 31080 32412 33180 33485 34602 35040 35076 37814 37920 38010 39639 40182 40369 40515 40544 40880 40922 41440 42897 43216 43440 43845 44240 46136 46768 46879 49056 50680 52852 53088 53576 54020 56721 57196 57670 58460 60816 61320 61383 62160 64824 66065 66360 66970 69204 70152 71495 75628 76020 79278 80364 80738 81030 81760 81844 85794 86432 86505 86880 87690 88480 92272 92491 93536 93758 94535 100093 100455 101360 102305 105704 107152 108040 113442 114392 115340 116920 121107 121632 122640 122766 124320 129648 132130 132720 133940 138408 140304 140637 142990 151256 152040 158556 160728 161476 162060 163688 171588 173010 175380 184544 184982 187516 189070 198195 200186 200910 201845 202720 204610 211408 213379 214304 214485 216080 226884 228784 230680 233840 234395 242214 245280 245532 259296 264260 265440 267880 276816 277473 280608 281274 283605 285980 300279 302512 304080 306915 317112 321456 322952 324120 327376 343176 346020 350760 369964 375032 378140 396390 400372 401820 403690 409220 422816 426758 428970 432160 453768 457568 461360 462455 467680 468790 484428 488881 491064 500465 528520 529063 535760 553632 554946 562548 567210 571960 600558 605024 605535 608160 613830 634224 640137 642912 645904 648240 654752 686352 692040 701520 703185 739928 750064 756280 792780 800744 803640 807380 818440 853516 857940 907536 922720 924910 937580 968856 977762 982128 1000930 1043827 1057040 1058126 1066895 1071520 1109892 1125096 1134420 1143920 1201116 1211070 1227660 1268448 1280274 1291808 1296480 1372704 1384080 1387365 1403040 1406370 1466643 1479856 1493653 1500128 1501395 1512560 1585560 1587189 1601488 1607280 1614760 1636880 1707032 1715880 1815072 1849820 1875160 1937712 1955524 1964256 2001860 2087654 2114080 2116252 2133790 2219784 2250192 2268840 2287840 2402232 2422140 2444405 2455320 2560548 2645315 2768160 2774730 2812740 2933286 2959712 2987306 3002790 3025120 3131481 3171120 3174378 3200685 3202976 3214560 3229520 3273760 3414064 3422167 3431760 3699640 3703441 3750320 3875424 3911048 4003720 4175308 4232504 4267580 4439568 4480959 4500384 4537680 4804464 4844280 4888810 4910640 5121096 5219135 5290630 5549460 5625480 5866572 5974612 6005580 6262962 6342240 6348756 6401370 6459040 6828128 6844334 6863520 7306789 7333215 7399280 7406882 7468265 7500640 7822096 7935945 8007440 8350616 8465008 8535160 8879136 8961918 9075360 9608928 9688560 9777620 9821280 10242192 10266501 10438270 10581260 11098920 11110323 11250960 11733144 11949224 12011160 12525924 12697512 12802740 13688668 14613578 14666430 14798560 14813764 14936530 15644192 15657405 15871890 16014880 16701232 16930016 17070320 17110835 17923836 18517205 19377120 19555240 20484384 20533002 20876540 21162520 21920367 22197840 22220646 22404795 22501920 23466288 23898448 24022320 25051848 25395024 25605480 27377336 29227156 29332860 29627528 29873060 31314810 31743780 33402464 34140640 34221670 35847672 36533945 37034410 38621599 39110480 41066004 41753080 42325040 43840734 44395680 44441292 44809590 46932576 47796896 48044640 50103696 50790048 51210960 51332505 54754672 55551615 58454312 58665720 59255056 59746120 62629620 63487560 68443340 71695344 73067890 74068820 77243198 78220960 82132008 83506160 84650080 87681468 88882584 89619180 100207392 102421920 102665010 109509344 109601835 111103230 115864797 116908624 117331440 118510112 119492240 125259240 126975120 136886680 143390688 146135780 148137640 154486396 164264016 167012320 175362936 177765168 179238360 193107995 205330020 219203670 222206460 231729594 233817248 234662880 238984480 250518480 253950240 270351193 273773360 292271560 296275280 308972792 328528032 350725872 355530336 358476720 386215990 410660040 438407340 444412920 463459188 501036960 540702386 547546720 579323985 584543120 592550560 617945584 701451744 716953440 772431980 811053579 821320080 876814680 888825840 926918376 1081404772 1158647970 1169086240 1235891168 1351755965 1544863960 1622107158 1642640160 1753629360 1777651680 1853836752 2162809544 2317295940 2703511930 3089727920 3244214316 3507258720 3707673504 4055267895 4325619088 4634591880 5407023860 6179455840 6488428632 8110535790 8651238176 9269183760 10814047720 12976857264 16221071580 18538367520 21628095440 25953714528 32442143160 43256190880 64884286320 129768572640
• Sum of all divisors σ(n): 495243141120
• Sum of proper divisors (its aliquot sum) s(n): 365474568480
• 129768572640 is an abundant number, because the sum of its proper divisors (365474568480) is greater than itself. Its abundance is 235705995840

Bases of 129768572640

• Binary: 1111000110110110011110100011011100000₂
• Hexadecimal: 0x1E36CF46E0
• Base-36: 1NM4UVHC

Squares and roots of 129768572640

• 129768572640 squared (129768572640²) is 16839882445022956569600
• 129768572640 cubed (129768572640³) is 2185287508316022346069702815744000
• The square root of 129768572640 is 360234.0525824843
• The cube root of 129768572640 is 5062.7891719107

Scales and comparisons

• 129,768,572,640 seconds is equal to 4,126 years, 12 weeks, 3 days, 1 hour, 44 minutes.
• To count from 1 to 129,768,572,640 would take you about eight thousand, two hundred fifty-two 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 129768572640 cubic inches would be around 421.9 feet tall.

Recreational maths with 129768572640

• 129768572640 backwards is 046275867921
• The number of decimal digits it has is: 12
• The sum of 129768572640's digits is 57
• More coming soon!