21039888324

Names of 21039888324

• Cardinal: 21039888324 can be written as Twenty-one billion, thirty-nine million, eight hundred eighty-eight thousand, three hundred twenty-four.

Scientific notation

• Scientific notation: 2.1039888324 × 10¹⁰

Factors of 21039888324

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 21825

Divisors of 21039888324

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 12 13 14 21 26 28 39 42 49 52 78 84 91 98 127 147 156 182 196 254 273 294 364 381 508 546 588 637 762 889 1092 1274 1524 1651 1778 1911 2548 2667 3302 3556 3822 4953 5334 6223 6604 7644 9906 10668 11557 12446 18669 19812 21673 23114 24892 34671 37338 43346 46228 65019 69342 74676 80899 86692 130038 138684 151711 161798 242697 260076 281749 303422 323596 455133 485394 563498 606844 845247 910266 970788 1061977 1126996 1690494 1820532 1972243 2123954 2752471 3185931 3380988 3944486 4247908 5504942 5916729 6371862 7888972 8257413 11009884 11833458 12743724 13805701 16514826 19267297 23666916 27611402 33029652 35782123 38534594 41417103 55222804 57801891 71564246 77069188 82834206 107346369 115603782 134871079 143128492 165668412 214692738 231207564 250474861 269742158 404613237 429385476 500949722 539484316 751424583 809226474 1001899444 1502849166 1618452948 1753324027 3005698332 3506648054 5259972081 7013296108 10519944162 21039888324
• Sum of all divisors σ(n): 61988333568
• Sum of proper divisors (its aliquot sum) s(n): 40948445244
• 21039888324 is an abundant number, because the sum of its proper divisors (40948445244) is greater than itself. Its abundance is 19908556920

Bases of 21039888324

• Binary: 10011100110000100110011011111000100₂
• Hexadecimal: 0x4E61337C4
• Base-36: 9NYLTQC

Squares and roots of 21039888324

• 21039888324 squared (21039888324²) is 442676900686391528976
• 21039888324 cubed (21039888324³) is 9313872554056116716194650076224
• The square root of 21039888324 is 145051.3299628791
• The cube root of 21039888324 is 2760.6698788835

Scales and comparisons

• 21,039,888,324 seconds is equal to 669 years, 1 day, 5 hours, 25 minutes, 24 seconds.
• To count from 1 to 21,039,888,324 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 21039888324 cubic inches would be around 230.1 feet tall.

Recreational maths with 21039888324

• 21039888324 backwards is 42388893012
• The number of decimal digits it has is: 11
• The sum of 21039888324's digits is 48
• More coming soon!