21696379029

Names of 21696379029

• Cardinal: 21696379029 can be written as Twenty-one billion, six hundred ninety-six million, three hundred seventy-nine thousand and twenty-nine.

Scientific notation

• Scientific notation: 2.1696379029 × 10¹⁰

Factors of 21696379029

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 443

Divisors of 21696379029

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 13 29 39 87 117 157 169 241 261 377 471 507 723 1131 1413 1521 2041 2169 2197 3133 3393 4553 4901 6123 6591 6989 9399 13659 14703 18369 19773 20967 26533 28197 37837 40729 40977 44109 59189 62901 63713 79599 90857 113511 122187 177567 191139 238797 272571 340533 344929 366561 491881 529477 532701 573417 769457 817713 1034787 1097273 1181141 1475643 1588431 2308371 3104361 3291819 3543423 4426929 4765293 6394453 6925113 9875457 10002941 10630269 14264549 15354833 19183359 30008823 42793647 46064499 57550077 83127889 90026469 128380941 138193497 185439137 249383667 556317411 748151001 1668952233 2410708781 7232126343 21696379029
• Sum of all divisors σ(n): 35490655200
• Sum of proper divisors (its aliquot sum) s(n): 13794276171
• 21696379029 is a deficient number, because the sum of its proper divisors (13794276171) is less than itself. Its deficiency is 7902102858

Bases of 21696379029

• Binary: 10100001101001101000111100010010101₂
• Hexadecimal: 0x50D347895
• Base-36: 9YTGP79

Squares and roots of 21696379029

• 21696379029 squared (21696379029²) is 470732862970030982841
• 21696379029 cubed (21696379029³) is 10213198616404110871591731241389
• The square root of 21696379029 is 147296.9077373995
• The cube root of 21696379029 is 2789.0893011785

Scales and comparisons

• 21,696,379,029 seconds is equal to 689 years, 45 weeks, 4 days, 11 hours, 57 minutes, 9 seconds.
• To count from 1 to 21,696,379,029 would take you about one thousand, three hundred seventy-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 21696379029 cubic inches would be around 232.4 feet tall.

Recreational maths with 21696379029

• 21696379029 backwards is 92097369612
• The number of decimal digits it has is: 11
• The sum of 21696379029's digits is 54
• More coming soon!