31238145900

Names of 31238145900

• Cardinal: 31238145900 can be written as Thirty-one billion, two hundred thirty-eight million, one hundred forty-five thousand, nine hundred.

Scientific notation

• Scientific notation: 3.12381459 × 10¹⁰

Factors of 31238145900

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 82

Divisors of 31238145900

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 25 26 30 36 39 45 50 52 59 60 65 75 78 90 100 117 118 130 150 156 169 177 180 195 225 234 236 260 295 300 325 338 354 390 450 468 507 531 585 590 650 676 708 767 780 845 885 900 975 1014 1062 1170 1180 1300 1475 1521 1534 1690 1770 1950 2028 2124 2301 2340 2535 2655 2925 2950 3042 3068 3380 3481 3540 3835 3900 4225 4425 4602 5070 5310 5850 5900 6084 6903 6962 7605 7670 8450 8850 9204 9971 10140 10443 10620 11505 11700 12675 13275 13806 13924 15210 15340 16900 17405 17700 19175 19942 20886 23010 25350 26550 27612 29913 30420 31329 34515 34810 38025 38350 39884 41772 45253 46020 49855 50700 52215 53100 57525 59826 62658 69030 69620 76050 76700 87025 89739 90506 99710 104430 115050 119652 125316 135759 138060 149565 152100 156645 172575 174050 179478 181012 199420 205379 208860 226265 230100 249275 261075 271518 299130 313290 345150 348100 358956 407277 410758 448695 452530 498550 522150 543036 588289 598260 616137 626580 678795 690300 747825 783225 814554 821516 897390 905060 997100 1026895 1044300 1131325 1176578 1232274 1357590 1495650 1566450 1629108 1764867 1794780 1848411 2036385 2053790 2243475 2262650 2353156 2464548 2669927 2715180 2941445 2991300 3080685 3132900 3393975 3529734 3696822 4072770 4107580 4486950 4525300 5134475 5294601 5339854 5882890 6161370 6787950 7059468 7393644 8009781 8145540 8824335 8973900 9242055 10181925 10268950 10589202 10679708 11765780 12322740 13349635 13575900 14707225 15403425 16019562 17648670 18484110 20363850 20537900 21178404 24029343 26473005 26699270 29414450 30806850 32039124 34709051 35297340 36968220 40048905 40727700 44121675 46210275 48058686 52946010 53398540 58828900 61613700 66748175 69418102 80097810 88243350 92420550 96117372 104127153 105892020 120146715 132365025 133496350 138836204 160195620 173545255 176486700 184841100 200244525 208254306 240293430 264730050 266992700 312381459 347090510 400489050 416508612 480586860 520635765 529460100 600733575 624762918 694181020 800978100 867726275 1041271530 1201467150 1249525836 1561907295 1735452550 2082543060 2402934300 2603178825 3123814590 3470905100 5206357650 6247629180 7809536475 10412715300 15619072950 31238145900
• Sum of all divisors σ(n): 107853487560
• Sum of proper divisors (its aliquot sum) s(n): 76615341660
• 31238145900 is an abundant number, because the sum of its proper divisors (76615341660) is greater than itself. Its abundance is 45377195760

Bases of 31238145900

• Binary: 11101000101111100000100011101101100₂
• Hexadecimal: 0x745F0476C
• Base-36: ECMDVN0

Squares and roots of 31238145900

• 31238145900 squared (31238145900²) is 975821759269686810000
• 31238145900 cubed (31238145900³) is 30482862488461154018085579000000
• The square root of 31238145900 is 176743.1636584567
• The cube root of 31238145900 is 3149.4043015643

Scales and comparisons

• 31,238,145,900 seconds is equal to 993 years, 14 weeks, 2 days, 14 hours, 45 minutes.
• To count from 1 to 31,238,145,900 would take you about one thousand, nine hundred eighty-six 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 31238145900 cubic inches would be around 262.5 feet tall.

Recreational maths with 31238145900

• 31238145900 backwards is 00954183213
• 31238145900 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31238145900's digits is 36
• More coming soon!