21008850752688

Names of 21008850752688

• Cardinal: 21008850752688 can be written as Twenty-one trillion, eight billion, eight hundred fifty million, seven hundred fifty-two thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1008850752688 × 10¹³

Factors of 21008850752688

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 696

Divisors of 21008850752688

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 41 48 82 123 164 246 277 328 373 492 554 656 746 831 984 1108 1119 1492 1662 1968 2216 2238 2984 3324 4432 4476 5968 6648 8952 11357 13296 15293 17904 22714 30586 34071 45428 45879 61172 68142 76729 90856 91758 103321 122344 136284 139129 153458 181712 183516 206642 230187 244688 272568 278258 306916 309963 367032 413284 417387 460374 545136 556516 613832 619926 734064 826568 834774 920748 1113032 1227664 1239852 1653136 1669548 1841496 2226064 2479704 3145889 3339096 3682992 4236161 4959408 5704289 6291778 6678192 8472322 9437667 11408578 12583556 12708483 16944644 17112867 18875334 22817156 25167112 25416966 28619917 33889288 34225734 37750668 38538733 45634312 50334224 50833932 57239834 67778576 68451468 75501336 77077466 85859751 91268624 101667864 114479668 115616199 136902936 151002672 154154932 171719502 203335728 228959336 231232398 273805872 308309864 343439004 457918672 462464796 616619728 686878008 924929592 1173416597 1373756016 1580088053 1849859184 2346833194 3160176106 3520249791 4693666388 4740264159 6320352212 7040499582 9387332776 9480528318 10675229041 12640704424 14080999164 18774665552 18961056636 21350458082 25281408848 28161998328 32025687123 37922113272 42700916164 56323996656 64051374246 75844226544 85401832328 128102748492 170803664656 256205496984 437684390681 512410993968 875368781362 1313053172043 1750737562724 2626106344086 3501475125448 5252212688172 7002950250896 10504425376344 21008850752688
• Sum of all divisors σ(n): 55948020769368
• Sum of proper divisors (its aliquot sum) s(n): 34939170016680
• 21008850752688 is an abundant number, because the sum of its proper divisors (34939170016680) is greater than itself. Its abundance is 13930319263992

Bases of 21008850752688

• Binary: 100110001101110000001000101100001010010110000₂
• Hexadecimal: 0x131B811614B0
• Base-36: 7G3BZB06O

Squares and roots of 21008850752688

• 21008850752688 squared (21008850752688²) is 441371809948719144139225344
• 21008850752688 cubed (21008850752688³) is 9272714481656413078030879532159645724672
• The square root of 21008850752688 is 4583541.2895149095
• The cube root of 21008850752688 is 27593.1171806137

Scales and comparisons

• 21,008,850,752,688 seconds is equal to 668,016 years, 24 weeks, 2 days, 19 hours, 44 minutes, 48 seconds.
• To count from 1 to 21,008,850,752,688 would take you about one million, six hundred seventy thousand and forty-one 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 21008850752688 cubic inches would be around 2299.4 feet tall.

Recreational maths with 21008850752688

• 21008850752688 backwards is 88625705880012
• The number of decimal digits it has is: 14
• The sum of 21008850752688's digits is 60
• More coming soon!