21344148828

Names of 21344148828

• Cardinal: 21344148828 can be written as Twenty-one billion, three hundred forty-four million, one hundred forty-eight thousand, eight hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1344148828 × 10¹⁰

Factors of 21344148828

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 161142

Divisors of 21344148828

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 29 36 58 87 116 127 174 254 261 348 381 508 522 762 1044 1143 1524 2286 3683 4572 7366 11049 14732 22098 33147 44196 66294 132588 160981 321962 482943 643924 965886 1448829 1931772 2897658 4668449 5795316 9336898 14005347 18673796 20444587 28010694 40889174 42016041 56021388 61333761 81778348 84032082 122667522 168064164 184001283 245335044 368002566 592893023 736005132 1185786046 1778679069 2371572092 3557358138 5336037207 7114716276 10672074414 21344148828
• Sum of all divisors σ(n): 56253550080
• Sum of proper divisors (its aliquot sum) s(n): 34909401252
• 21344148828 is an abundant number, because the sum of its proper divisors (34909401252) is greater than itself. Its abundance is 13565252424

Bases of 21344148828

• Binary: 10011111000001101011101110101011100₂
• Hexadecimal: 0x4F835DD5C
• Base-36: 9SZR6N0

Squares and roots of 21344148828

• 21344148828 squared (21344148828²) is 455572689191813773584
• 21344148828 cubed (21344148828³) is 9723811280082260222637190959552
• The square root of 21344148828 is 146096.3682916177
• The cube root of 21344148828 is 2773.9137085427

Scales and comparisons

• 21,344,148,828 seconds is equal to 678 years, 35 weeks, 1 day, 18 hours, 13 minutes, 48 seconds.
• To count from 1 to 21,344,148,828 would take you about one thousand, three hundred fifty-seven 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 21344148828 cubic inches would be around 231.2 feet tall.

Recreational maths with 21344148828

• 21344148828 backwards is 82884144312
• The number of decimal digits it has is: 11
• The sum of 21344148828's digits is 45
• More coming soon!