12907088640

Names of 12907088640

• Cardinal: 12907088640 can be written as Twelve billion, nine hundred seven million, eighty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.290708864 × 10¹⁰

Factors of 12907088640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 9160

Divisors of 12907088640

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 41 45 48 54 60 64 72 80 82 90 96 108 120 123 128 135 144 160 164 180 192 205 216 240 246 256 270 288 320 328 360 369 384 410 432 480 492 540 576 615 640 656 720 738 768 820 864 960 984 1080 1107 1152 1230 1280 1312 1440 1476 1640 1728 1845 1920 1968 2160 2214 2304 2460 2624 2880 2952 3280 3456 3690 3840 3936 4320 4428 4920 5248 5535 5760 5904 6560 6912 7380 7872 8640 8856 9109 9840 10496 11070 11520 11808 13120 14760 15744 17280 17712 18218 19680 22140 23616 26240 27327 29520 31488 34560 35424 36436 39360 44280 45545 47232 52480 54654 59040 70848 72872 78720 81981 88560 91090 94464 109308 118080 136635 141696 145744 157440 163962 177120 182180 218616 236160 245943 273270 283392 291488 327924 354240 364360 373469 409905 437232 472320 491886 546540 582976 655848 708480 728720 746938 819810 874464 983772 1093080 1120407 1165952 1229715 1311696 1416960 1457440 1493876 1639620 1748928 1867345 1967544 2186160 2240814 2331904 2459430 2623392 2914880 2987752 3279240 3361221 3497856 3734690 3935088 4372320 4481628 4918860 5246784 5602035 5829760 5975504 6558480 6722442 6995712 7469380 7870176 8744640 8963256 9837720 10083663 10493568 11204070 11659520 11951008 13116960 13444884 14938760 15740352 16806105 17489280 17926512 19675440 20167326 20987136 22408140 23902016 26233920 26889768 29877520 31480704 33612210 34978560 35853024 39350880 40334652 44816280 47804032 50418315 52467840 53779536 59755040 62961408 67224420 71706048 78701760 80669304 89632560 95608064 100836630 104935680 107559072 119510080 134448840 143412096 157403520 161338608 179265120 201673260 215118144 239020160 268897680 286824192 314807040 322677216 358530240 403346520 430236288 478040320 537795360 645354432 717060480 806693040 860472576 1075590720 1290708864 1434120960 1613386080 2151181440 2581417728 3226772160 4302362880 6453544320 12907088640
• Sum of all divisors σ(n): 46924516800
• Sum of proper divisors (its aliquot sum) s(n): 34017428160
• 12907088640 is an abundant number, because the sum of its proper divisors (34017428160) is greater than itself. Its abundance is 21110339520

Bases of 12907088640

• Binary: 1100000001010100101000101100000000₂
• Hexadecimal: 0x301528B00
• Base-36: 5XGJPC0

Squares and roots of 12907088640

• 12907088640 squared (12907088640²) is 166592937160817049600
• 12907088640 cubed (12907088640³) is 2150229806732615594010476544000
• The square root of 12907088640 is 113609.3686277677
• The cube root of 12907088640 is 2345.7196046383

Scales and comparisons

• 12,907,088,640 seconds is equal to 410 years, 21 weeks, 14 hours, 24 minutes.
• To count from 1 to 12,907,088,640 would take you about eight 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 12907088640 cubic inches would be around 195.5 feet tall.

Recreational maths with 12907088640

• 12907088640 backwards is 04688070921
• 12907088640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12907088640's digits is 45
• More coming soon!