21108801677656

Names of 21108801677656

• Cardinal: 21108801677656 can be written as Twenty-one trillion, one hundred eight billion, eight hundred one million, six hundred seventy-seven thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 2.1108801677656 × 10¹³

Factors of 21108801677656

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1105404412

Divisors of 21108801677656

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 11 14 22 28 31 44 56 62 77 88 124 154 217 248 308 341 434 616 682 868 1364 1736 2387 2728 4774 9548 19096 1105404361 2210808722 4421617444 7737830527 8843234888 12159447971 15475661054 24318895942 30951322108 34267535191 48637791884 61902644216 68535070382 85116135797 97275583768 137070140764 170232271594 239872746337 274140281528 340464543188 376942887101 479745492674 680929086376 753885774202 959490985348 1507771548404 1918981970696 2638600209707 3015543096808 5277200419414 10554400838828 21108801677656
• Sum of all divisors σ(n): 50937033000960
• Sum of proper divisors (its aliquot sum) s(n): 29828231323304
• 21108801677656 is an abundant number, because the sum of its proper divisors (29828231323304) is greater than itself. Its abundance is 8719429645648

Bases of 21108801677656

• Binary: 100110011001011000110101000000010100101011000₂
• Hexadecimal: 0x1332C6A02958
• Base-36: 7HD8ZI7H4

Squares and roots of 21108801677656

• 21108801677656 squared (21108801677656²) is 445581508266612760129654336
• 21108801677656 cubed (21108801677656³) is 9405691689230766263557344155832174716416
• The square root of 21108801677656 is 4594431.5946214717
• The cube root of 21108801677656 is 27636.8066303959

Scales and comparisons

• 21,108,801,677,656 seconds is equal to 671,194 years, 31 weeks, 1 day, 5 hours, 34 minutes, 16 seconds.
• To count from 1 to 21,108,801,677,656 would take you about one million, six hundred seventy-seven 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 21108801677656 cubic inches would be around 2303.1 feet tall.

Recreational maths with 21108801677656

• 21108801677656 backwards is 65677610880112
• The number of decimal digits it has is: 14
• The sum of 21108801677656's digits is 58
• More coming soon!