21729675632

Names of 21729675632

• Cardinal: 21729675632 can be written as Twenty-one billion, seven hundred twenty-nine million, six hundred seventy-five thousand, six hundred thirty-two.

Scientific notation

• Scientific notation: 2.1729675632 × 10¹⁰

Factors of 21729675632

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4875

Divisors of 21729675632

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 14 16 28 49 56 98 112 196 343 392 686 784 1033 1372 2066 2744 3833 4132 5488 7231 7666 8264 14462 15332 16528 26831 28924 30664 50617 53662 57848 61328 101234 107324 115696 187817 202468 214648 354319 375634 404936 429296 708638 751268 809872 1314719 1417276 1502536 2629438 2834552 3005072 3959489 5258876 5669104 7918978 10517752 15837956 21035504 27716423 31675912 55432846 63351824 110865692 194014961 221731384 388029922 443462768 776059844 1358104727 1552119688 2716209454 3104239376 5432418908 10864837816 21729675632
• Sum of all divisors σ(n): 49158014400
• Sum of proper divisors (its aliquot sum) s(n): 27428338768
• 21729675632 is an abundant number, because the sum of its proper divisors (27428338768) is greater than itself. Its abundance is 5698663136

Bases of 21729675632

• Binary: 10100001111001100001000100101110000₂
• Hexadecimal: 0x50F308970
• Base-36: 9ZDAD0W

Squares and roots of 21729675632

• 21729675632 squared (21729675632²) is 472178803071934599424
• 21729675632 cubed (21729675632³) is 10260292231059144008201374035968
• The square root of 21729675632 is 147409.8898717451
• The cube root of 21729675632 is 2790.5153414861

Scales and comparisons

• 21,729,675,632 seconds is equal to 690 years, 48 weeks, 4 days, 21 hours, 32 seconds.
• To count from 1 to 21,729,675,632 would take you about one thousand, three hundred eighty-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 21729675632 cubic inches would be around 232.5 feet tall.

Recreational maths with 21729675632

• 21729675632 backwards is 23657692712
• The number of decimal digits it has is: 11
• The sum of 21729675632's digits is 50
• More coming soon!