21004547386816

Names of 21004547386816

• Cardinal: 21004547386816 can be written as Twenty-one trillion, four billion, five hundred forty-seven million, three hundred eighty-six thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 2.1004547386816 × 10¹³

Factors of 21004547386816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 14739

Divisors of 21004547386816

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 32 49 56 62 64 98 112 124 196 217 224 248 392 434 448 496 784 868 992 1519 1568 1736 1984 3038 3136 3472 6076 6944 12152 13888 14699 24304 29398 48608 58796 97216 102893 117592 205786 235184 411572 455669 470368 720251 823144 911338 940736 1440502 1646288 1822676 2881004 3189683 3292576 3645352 5762008 6379366 6585152 7290704 11524016 12758732 14581408 22327781 23048032 25517464 29162816 44655562 46096064 51034928 89311124 102069856 178622248 204139712 216060601 357244496 432121202 714488992 864242404 1428977984 1512424207 1728484808 3024848414 3456969616 6049696828 6697878631 6913939232 10586969449 12099393656 13395757262 13827878464 21173938898 24198787312 26791514524 42347877796 46885150417 48397574624 53583029048 84695755592 93770300834 96795149248 107166058096 169391511184 187540601668 214332116192 328196052919 338783022368 375081203336 428664232384 656392105838 677566044736 750162406672 1312784211676 1500324813344 2625568423352 3000649626688 5251136846704 10502273693408 21004547386816
• Sum of all divisors σ(n): 50053411326048
• Sum of proper divisors (its aliquot sum) s(n): 29048863939232
• 21004547386816 is an abundant number, because the sum of its proper divisors (29048863939232) is greater than itself. Its abundance is 8044316552416

Bases of 21004547386816

• Binary: 100110001101010000000100101011110110111000000₂
• Hexadecimal: 0x131A8095EDC0
• Base-36: 7G1CT6XTS

Squares and roots of 21004547386816

• 21004547386816 squared (21004547386816²) is 441191010924998854330617856
• 21004547386816 cubed (21004547386816³) is 9267017495611393992697973132143508586496
• The square root of 21004547386816 is 4583071.8286773555
• The cube root of 21004547386816 is 27591.2330320593

Scales and comparisons

• 21,004,547,386,816 seconds is equal to 667,879 years, 33 weeks, 8 hours, 20 minutes, 16 seconds.
• To count from 1 to 21,004,547,386,816 would take you about one million, six hundred sixty-nine thousand, six hundred ninety-nine 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 21004547386816 cubic inches would be around 2299.3 feet tall.

Recreational maths with 21004547386816

• 21004547386816 backwards is 61868374540012
• The number of decimal digits it has is: 14
• The sum of 21004547386816's digits is 55
• More coming soon!