31145366137862420

Names of 31145366137862420

• Cardinal: 31145366137862420 can be written as Thirty-one quadrillion, one hundred forty-five trillion, three hundred sixty-six billion, one hundred thirty-seven million, eight hundred sixty-two thousand, four hundred twenty.

Scientific notation

• Scientific notation: 3.114536613786242 × 10¹⁶

Factors of 31145366137862420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7856

Divisors of 31145366137862420

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 4 5 10 20 37 74 139 148 185 278 370 556 695 740 1369 1390 2738 2780 5143 5476 6845 7673 10286 13690 15346 19321 20572 25715 27380 30692 38365 38642 51430 76730 77284 96605 102860 153460 190291 193210 283901 380582 386420 567802 714877 761164 951455 1066547 1135604 1419505 1429754 1902910 2133094 2839010 2859508 3574385 3805820 4266188 5332735 5678020 7148770 10504337 10665470 14297540 21008674 21330940 26450449 39462239 42017348 52521685 52900898 58874929 78924478 105043370 105801796 117749858 132252245 148250033 157848956 197311195 210086740 235499716 264504490 294374645 296500066 394622390 529008980 588749290 593000132 741250165 789244780 1177498580 1460102843 1482500330 2178372373 2920205686 2965000660 4356744746 5485251221 5840411372 7300514215 8183615131 8713489492 10891861865 10970502442 14601028430 16367230262 21783723730 21941004884 27426256105 29202056860 32734460524 40918075655 43567447460 54852512210 80599777801 81836151310 109705024420 161199555602 163672302620 202954295177 302793759847 322399111204 402998889005 405908590354 605587519694 805997778010 811817180708 1014771475885 1137522503209 1211175039388 1513968799235 1611995556020 2029542951770 2275045006418 3027937598470 4059085903540 4550090012836 5687612516045 6055875196940 11203369114339 11375225032090 22406738228678 22750450064180 42088332618733 44813476457356 56016845571695 84176665237466 112033691143390 168353330474932 210441663093665 224067382286780 420883326187330 841766652374660 1557268306893121 3114536613786242 6229073227572484 7786341534465605 15572683068931210 31145366137862420
• Sum of all divisors σ(n): 67716661829673402
• Sum of proper divisors (its aliquot sum) s(n): 36571295691810982
• 31145366137862420 is an abundant number, because the sum of its proper divisors (36571295691810982) is greater than itself. Its abundance is 5425929553948562

Bases of 31145366137862420

• Binary: 1101110101001101000101110100101000010111111100100010100₂
• Hexadecimal: 0x6EA68BA50BF914
• Base-36: 8IO3ZOGYJV8

Squares and roots of 31145366137862420

• 31145366137862420 squared (31145366137862420²) is 970033831861507076097486848256400
• 31145366137862420 cubed (31145366137862420³) is 30212058859440310738946549927055732661200084488000
• The square root of 31145366137862420 is 176480497.8966866469
• The cube root of 31145366137862420 is 314628.3216338775

Scales and comparisons

• 31,145,366,137,862,420 seconds is equal to 990,326,304 years, 12 weeks, 3 days, 18 hours, 40 minutes, 20 seconds.
• To count from 1 to 31,145,366,137,862,420 would take you about two billion, nine hundred seventy million, nine hundred seventy-eight thousand, nine hundred twelve 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 31145366137862420 cubic inches would be around 26219 feet tall.

Recreational maths with 31145366137862420

• 31145366137862420 backwards is 02426873166354113
• The number of decimal digits it has is: 17
• The sum of 31145366137862420's digits is 62
• More coming soon!