21530100640572

Names of 21530100640572

• Cardinal: 21530100640572 can be written as Twenty-one trillion, five hundred thirty billion, one hundred million, six hundred forty thousand, five hundred seventy-two.

Scientific notation

• Scientific notation: 2.1530100640572 × 10¹³

Factors of 21530100640572

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 987

Divisors of 21530100640572

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 29 36 54 58 81 87 108 116 162 174 243 261 324 348 486 522 783 841 953 972 1044 1566 1682 1906 2349 2523 2859 3132 3364 3812 4698 5046 5718 7047 7569 8577 9396 10092 11436 14094 15138 17154 22707 24389 25731 27637 28188 30276 34308 45414 48778 51462 55274 68121 73167 77193 82911 90828 97556 102924 110548 136242 146334 154386 165822 204363 219501 231579 248733 272484 292668 308772 331644 408726 439002 463158 497466 658503 746199 801473 817452 878004 908209 926316 994932 1317006 1492398 1602946 1816418 1975509 2238597 2404419 2634012 2724627 2984796 3205892 3632836 3951018 4477194 4808838 5449254 5926527 6715791 7213257 7902036 8173881 8954388 9617676 10898508 11853054 13431582 14426514 16347762 21639771 23242717 23706108 24521643 26338061 26863164 28853028 32695524 43279542 46485434 49043286 52676122 64919313 69728151 73564929 79014183 86559084 92970868 98086572 105352244 129838626 139456302 147129858 158028366 194757939 209184453 220694787 237042549 259677252 278912604 294259716 316056732 389515878 418368906 441389574 474085098 627553359 711127647 763803769 779031756 836737812 882779148 948170196 1255106718 1422255294 1527607538 1882660077 2133382941 2291411307 2510213436 2844510588 3055215076 3765320154 4266765882 4582822614 5647980231 6400148823 6874233921 7530640308 8533531764 9165645228 11295960462 12800297646 13748467842 20622701763 22150309301 22591920924 25600595292 27496935684 41245403526 44300618602 61868105289 66450927903 82490807052 88601237204 123736210578 132901855806 185604315867 199352783709 247472421156 265803711612 371208631734 398705567418 598058351127 742417263468 797411134836 1196116702254 1794175053381 2392233404508 3588350106762 5382525160143 7176700213524 10765050320286 21530100640572
• Sum of all divisors σ(n): 58515985404240
• Sum of proper divisors (its aliquot sum) s(n): 36985884763668
• 21530100640572 is an abundant number, because the sum of its proper divisors (36985884763668) is greater than itself. Its abundance is 15455784123096

Bases of 21530100640572

• Binary: 100111001010011011110000000000010101100111100₂
• Hexadecimal: 0x1394DE002B3C
• Base-36: 7MQSI13R0

Squares and roots of 21530100640572

• 21530100640572 squared (21530100640572²) is 463545233593158844732487184
• 21530100640572 cubed (21530100640572³) is 9980175530718166616211869808217180429248
• The square root of 21530100640572 is 4640053.9480238805
• The cube root of 21530100640572 is 27819.4594190301

Scales and comparisons

• 21,530,100,640,572 seconds is equal to 684,590 years, 31 weeks, 2 days, 15 hours, 16 minutes, 12 seconds.
• To count from 1 to 21,530,100,640,572 would take you about one million, seven hundred eleven thousand, four hundred seventy-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 21530100640572 cubic inches would be around 2318.3 feet tall.

Recreational maths with 21530100640572

• 21530100640572 backwards is 27504600103512
• 21530100640572 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21530100640572's digits is 36
• More coming soon!