129272876640

Names of 129272876640

• Cardinal: 129272876640 can be written as One hundred twenty-nine billion, two hundred seventy-two million, eight hundred seventy-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.2927287664 × 10¹¹

Factors of 129272876640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 130

Divisors of 129272876640

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 53 54 60 67 72 80 81 90 96 106 108 120 134 135 144 159 160 162 180 201 212 216 240 265 268 270 288 318 324 335 360 402 405 424 432 477 480 530 536 540 603 636 648 670 720 795 804 810 848 864 954 1005 1060 1072 1080 1206 1272 1296 1340 1431 1440 1590 1608 1620 1696 1809 1908 2010 2120 2144 2160 2385 2412 2544 2592 2680 2809 2862 3015 3180 3216 3240 3551 3618 3816 4020 4240 4293 4320 4770 4824 5088 5360 5427 5618 5724 6030 6360 6432 6480 7102 7155 7236 7632 8040 8427 8480 8586 9045 9540 9648 10653 10720 10854 11236 11448 12060 12720 12960 14045 14204 14310 14472 15264 16080 16854 17172 17755 18090 19080 19296 21306 21465 21708 22472 22896 24120 25281 25440 27135 28090 28408 28620 28944 31959 32160 33708 34344 35510 36180 38160 42135 42612 42930 43416 44944 45792 48240 50562 53265 54270 56180 56816 57240 57888 63918 67416 68688 71020 72360 75843 76320 84270 85224 85860 86832 89888 95877 96480 101124 106530 108540 112360 113632 114480 126405 127836 134832 137376 142040 144720 148877 151686 159795 168540 170448 171720 173664 188203 191754 202248 213060 217080 224720 227529 228960 252810 255672 269664 284080 287631 289440 297754 303372 319590 337080 340896 343440 376406 379215 383508 404496 426120 434160 446631 449440 455058 479385 505620 511344 564609 568160 575262 595508 606744 639180 674160 686880 744385 752812 758430 767016 808992 852240 868320 893262 910116 941015 958770 1011240 1022688 1129218 1137645 1150524 1191016 1213488 1278360 1339893 1348320 1438155 1488770 1505624 1516860 1534032 1693827 1704480 1786524 1820232 1882030 1917540 2022480 2233155 2258436 2275290 2301048 2382032 2426976 2556720 2679786 2823045 2876310 2977540 3011248 3033720 3068064 3387654 3573048 3640464 3764060 3835080 4019679 4044960 4466310 4516872 4550580 4602096 4764064 5081481 5113440 5359572 5646090 5752620 5955080 6022496 6067440 6699465 6775308 7146096 7280928 7528120 7670160 8039358 8469135 8932620 9033744 9101160 9204192 9974759 10162962 10719144 11292180 11505240 11910160 12059037 12134880 13398930 13550616 14292192 15056240 15244443 15340320 16078716 16938270 17865240 18067488 18202320 19949518 20098395 20325924 21438288 22584360 23010480 23820320 24118074 25407405 26797860 27101232 29924277 30112480 30488886 32157432 33876540 35730480 36404640 39899036 40196790 40651848 42876576 45168720 46020960 48236148 49873795 50814810 53595720 54202464 59848554 60295185 60977772 64314864 67753080 71460960 76222215 79798072 80393580 81303696 89772831 90337440 96472296 99747590 101629620 107191440 119697108 120590370 121955544 128629728 135506160 149621385 152444430 159596144 160787160 162607392 179545662 192944592 199495180 203259240 214382880 239394216 241180740 243911088 269318493 271012320 299242770 304888860 319192288 321574320 359091324 385889184 398990360 406518480 448864155 478788432 482361480 487822176 538636986 598485540 609777720 643148640 718182648 797980720 807955479 813036960 897728310 957576864 964722960 1077273972 1196971080 1219555440 1346592465 1436365296 1595961440 1615910958 1795456620 1929445920 2154547944 2393942160 2439110880 2693184930 2872730592 3231821916 3590913240 4039777395 4309095888 4787884320 5386369860 6463643832 7181826480 8079554790 8618191776 10772739720 12927287664 14363652960 16159109580 21545479440 25854575328 32318219160 43090958880 64636438320 129272876640
• Sum of all divisors σ(n): 471939320160
• Sum of proper divisors (its aliquot sum) s(n): 342666443520
• 129272876640 is an abundant number, because the sum of its proper divisors (342666443520) is greater than itself. Its abundance is 213393566880

Bases of 129272876640

• Binary: 1111000011001010000111000111001100000₂
• Hexadecimal: 0x1E19438E60
• Base-36: 1NDXQE00

Squares and roots of 129272876640

• 129272876640 squared (129272876640²) is 16711476634780657689600
• 129272876640 cubed (129272876640³) is 2160340657480242294965728210944000
• The square root of 129272876640 is 359545.3749389637
• The cube root of 129272876640 is 5056.3345876125

Scales and comparisons

• 129,272,876,640 seconds is equal to 4,110 years, 24 weeks, 5 days, 20 hours, 24 minutes.
• To count from 1 to 129,272,876,640 would take you about eight thousand, two hundred twenty 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 129272876640 cubic inches would be around 421.4 feet tall.

Recreational maths with 129272876640

• 129272876640 backwards is 046678272921
• 129272876640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129272876640's digits is 54
• More coming soon!