72145931000

Names of 72145931000

• Cardinal: 72145931000 can be written as Seventy-two billion, one hundred forty-five million, nine hundred thirty-one thousand.

Scientific notation

• Scientific notation: 7.2145931 × 10¹⁰

Factors of 72145931000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 228

Divisors of 72145931000

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 11 13 20 22 25 26 40 44 50 52 55 65 88 100 104 110 125 130 143 169 197 200 220 250 260 275 286 325 338 394 440 500 520 550 572 650 676 715 788 845 985 1000 1100 1144 1300 1352 1375 1430 1576 1625 1690 1859 1970 2167 2200 2561 2600 2750 2860 3250 3380 3575 3718 3940 4225 4334 4925 5122 5500 5720 6500 6760 7150 7436 7880 8450 8668 9295 9850 10244 10835 11000 12805 13000 14300 14872 16900 17336 17875 18590 19700 20488 21125 21670 24625 25610 28171 28600 33293 33800 35750 37180 38809 39400 42250 43340 46475 49250 51220 54175 56342 64025 66586 71500 74360 77618 84500 86680 92950 98500 102440 108350 112684 128050 133172 140855 143000 155236 166465 169000 185900 194045 197000 216700 225368 232375 256100 266344 270875 281710 310472 320125 332930 366223 371800 388090 426899 433400 464750 504517 512200 541750 563420 640250 665860 704275 732446 776180 832325 853798 929500 970225 1009034 1083500 1126840 1280500 1331720 1408550 1464892 1552360 1664650 1707596 1831115 1859000 1940450 2018068 2134495 2167000 2522585 2561000 2817100 2929784 3329300 3415192 3521375 3662230 3880900 4036136 4161625 4268990 4851125 5045170 5549687 5634200 6558721 6658600 7042750 7324460 7761800 8323250 8537980 9155575 9702250 10090340 10672475 11099374 12612925 13117442 14085500 14648920 16646500 17075960 18311150 19404500 20180680 21344950 22198748 25225850 26234884 27748435 28171000 32793605 33293000 36622300 38809000 42689900 44397496 45777875 50451700 52469768 53362375 55496870 63064625 65587210 72145931 73244600 85379800 91555750 100903400 106724750 110993740 126129250 131174420 138742175 144291862 163968025 183111500 213449500 221987480 252258500 262348840 277484350 288583724 327936050 360729655 366223000 426899000 504517000 554968700 577167448 655872100 693710875 721459310 819840125 1109937400 1311744200 1387421750 1442918620 1639680250 1803648275 2774843500 2885837240 3279360500 3607296550 5549687000 6558721000 7214593100 9018241375 14429186200 18036482750 36072965500 72145931000
• Sum of all divisors σ(n): 200442930480
• Sum of proper divisors (its aliquot sum) s(n): 128296999480
• 72145931000 is an abundant number, because the sum of its proper divisors (128296999480) is greater than itself. Its abundance is 56151068480

Bases of 72145931000

• Binary: 1000011001100001110111000101011111000₂
• Hexadecimal: 0x10CC3B8AF8
• Base-36: X55TOMW

Squares and roots of 72145931000

• 72145931000 squared (72145931000²) is 5205035359856761000000
• 72145931000 cubed (72145931000³) is 375522121924786048989491000000000
• The square root of 72145931000 is 268599.9460163759
• The cube root of 72145931000 is 4162.9763855807

Scales and comparisons

• 72,145,931,000 seconds is equal to 2,294 years, 6 days, 8 hours, 23 minutes, 20 seconds.
• To count from 1 to 72,145,931,000 would take you about four thousand, five hundred eighty-eight 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 72145931000 cubic inches would be around 346.9 feet tall.

Recreational maths with 72145931000

• 72145931000 backwards is 00013954127
• The number of decimal digits it has is: 11
• The sum of 72145931000's digits is 32
• More coming soon!