21251409427610010

Names of 21251409427610010

• Cardinal: 21251409427610010 can be written as Twenty-one quadrillion, two hundred fifty-one trillion, four hundred nine billion, four hundred twenty-seven million, six hundred ten thousand and ten.

Scientific notation

• Scientific notation: 2.125140942761001 × 10¹⁶

Factors of 21251409427610010

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 465670

Divisors of 21251409427610010

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 81 90 99 110 121 135 162 165 198 242 270 297 330 363 405 495 594 605 726 810 891 990 1089 1210 1485 1782 1815 2178 2970 3267 3630 4455 5445 6534 8910 9801 10890 16335 19602 32670 49005 98010 465649 931298 1396947 2328245 2793894 4190841 4656490 5122139 6984735 8381682 10244278 12572523 13969470 15366417 20954205 25145046 25610695 30732834 37717569 41908410 46099251 51221390 56343529 62862615 75435138 76832085 92198502 112687058 125725230 138297753 153664170 169030587 188587845 230496255 276595506 281717645 338061174 377175690 414893259 460992510 507091761 563435290 691488765 829786518 845152935 1014183522 1382977530 1521275283 1690305870 2074466295 2535458805 3042550566 4148932590 4563825849 5070917610 7606376415 9127651698 15212752830 22819129245 45638258490 216828991201 433657982402 650486973603 1084144956005 1300973947206 1951460920809 2168289912010 2385118903211 3252434868015 3902921841618 4770237806422 5854382762427 6504869736030 7155356709633 9757304604045 11708765524854 11925594516055 14310713419266 17563148287281 19514609208090 21466070128899 23851189032110 26236307935321 29271913812135 35126296574562 35776783548165 42932140257798 52472615870642 58543827624270 64398210386697 71553567096330 78708923805963 87815741436405 107330350644495 128796420773394 131181539676605 157417847611926 175631482872810 193194631160091 214660701288990 236126771417889 262363079353210 321991051933485 386389262320182 393544619029815 472253542835778 643982103866970 708380314253667 787089238059630 965973155800455 1180633857089445 1416760628507334 1931946311600910 2125140942761001 2361267714178890 3541901571268335 4250281885522002 7083803142536670 10625704713805005 21251409427610010
• Sum of all divisors σ(n): 62809856083856574
• Sum of proper divisors (its aliquot sum) s(n): 41558446656246564
• 21251409427610010 is an abundant number, because the sum of its proper divisors (41558446656246564) is greater than itself. Its abundance is 20307037228636554

Bases of 21251409427610010

• Binary: 1001011100000000000101101010101111010001011100110011010₂
• Hexadecimal: 0x4B800B55E8B99A
• Base-36: 5T8ZUPQ2FMI

Squares and roots of 21251409427610010

• 21251409427610010 squared (21251409427610010²) is 451622402659911612858500652200100
• 21251409427610010 cubed (21251409427610010³) is 9597612585606729706334487860210667413191283001000
• The square root of 21251409427610010 is 145778631.5877948211
• The cube root of 21251409427610010 is 276989.0364257111

Scales and comparisons

• 21,251,409,427,610,010 seconds is equal to 675,729,084 years, 45 weeks, 2 days, 15 hours, 13 minutes, 30 seconds.
• To count from 1 to 21,251,409,427,610,010 would take you about two billion, twenty-seven million, one hundred eighty-seven thousand, two hundred fifty-four 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 21251409427610010 cubic inches would be around 23082.4 feet tall.

Recreational maths with 21251409427610010

• 21251409427610010 backwards is 01001672490415212
• 21251409427610010 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21251409427610010's digits is 45
• More coming soon!