21047634752

Names of 21047634752

• Cardinal: 21047634752 can be written as Twenty-one billion, forty-seven million, six hundred thirty-four thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 2.1047634752 × 10¹⁰

Factors of 21047634752

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 102

Divisors of 21047634752

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 8 16 32 47 53 64 94 106 188 212 376 424 752 848 1504 1696 2209 2491 2809 3008 3392 4418 4982 5618 8836 9964 11236 17672 19928 22472 35344 39856 44944 70688 79712 89888 117077 132023 141376 148877 159424 179776 234154 264046 297754 468308 528092 595508 936616 1056184 1191016 1873232 2112368 2382032 3746464 4224736 4764064 6205081 6997219 7492928 8449472 9528128 12410162 13994438 24820324 27988876 49640648 55977752 99281296 111955504 198562592 223911008 328869293 397125184 447822016 657738586 1315477172 2630954344 5261908688 10523817376 21047634752
• Sum of all divisors σ(n): 43494601860
• Sum of proper divisors (its aliquot sum) s(n): 22446967108
• 21047634752 is an abundant number, because the sum of its proper divisors (22446967108) is greater than itself. Its abundance is 1399332356

Bases of 21047634752

• Binary: 10011100110100010010110101101000000₂
• Hexadecimal: 0x4E6896B40
• Base-36: 9O37UWW

Squares and roots of 21047634752

• 21047634752 squared (21047634752²) is 443002928653598101504
• 21047634752 cubed (21047634752³) is 9324163836367247971056813867008
• The square root of 21047634752 is 145078.0298735821
• The cube root of 21047634752 is 2761.0086434581

Scales and comparisons

• 21,047,634,752 seconds is equal to 669 years, 12 weeks, 6 days, 21 hours, 12 minutes, 32 seconds.
• To count from 1 to 21,047,634,752 would take you about one thousand, three hundred thirty-eight 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 21047634752 cubic inches would be around 230.1 feet tall.

Recreational maths with 21047634752

• 21047634752 backwards is 25743674012
• The number of decimal digits it has is: 11
• The sum of 21047634752's digits is 41
• More coming soon!