21356852732

Names of 21356852732

• Cardinal: 21356852732 can be written as Twenty-one billion, three hundred fifty-six million, eight hundred fifty-two thousand, seven hundred thirty-two.

Scientific notation

• Scientific notation: 2.1356852732 × 10¹⁰

Factors of 21356852732

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 521

Divisors of 21356852732

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 37 67 74 79 134 137 148 158 199 268 274 316 398 548 796 2479 2923 4958 5069 5293 5846 7363 9179 9916 10138 10586 10823 11692 13333 14726 15721 18358 20276 21172 21646 26666 27263 29452 31442 36716 43292 53332 54526 62884 109052 195841 339623 391682 400451 493321 581677 679246 725141 783364 800902 986642 1008731 1053307 1163354 1358492 1450282 1601804 1826621 1973284 2017462 2106614 2153777 2326708 2900564 3653242 4034924 4213228 4307554 7306484 8615108 26830217 38972359 53660434 67584977 77944718 79689749 107320868 135169954 144303059 155889436 159379498 270339908 288606118 318758996 577212236 5339213183 10678426366 21356852732
• Sum of all divisors σ(n): 39938304000
• Sum of proper divisors (its aliquot sum) s(n): 18581451268
• 21356852732 is a deficient number, because the sum of its proper divisors (18581451268) is less than itself. Its deficiency is 2775401464

Bases of 21356852732

• Binary: 10011111000111101111011010111111100₂
• Hexadecimal: 0x4F8F7B5FC
• Base-36: 9T7BH18

Squares and roots of 21356852732

• 21356852732 squared (21356852732²) is 456115158616335863824
• 21356852732 cubed (21356852732³) is 9741184271401905933139174367168
• The square root of 21356852732 is 146139.8396468259
• The cube root of 21356852732 is 2774.4639380943

Scales and comparisons

• 21,356,852,732 seconds is equal to 679 years, 4 weeks, 1 day, 19 hours, 5 minutes, 32 seconds.
• To count from 1 to 21,356,852,732 would take you about one thousand, three hundred fifty-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 21356852732 cubic inches would be around 231.2 feet tall.

Recreational maths with 21356852732

• 21356852732 backwards is 23725865312
• The number of decimal digits it has is: 11
• The sum of 21356852732's digits is 44
• More coming soon!