21322481664

Names of 21322481664

• Cardinal: 21322481664 can be written as Twenty-one billion, three hundred twenty-two million, four hundred eighty-one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 2.1322481664 × 10¹⁰

Factors of 21322481664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 478

Divisors of 21322481664

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 113 128 132 176 192 226 256 264 339 349 352 384 452 512 528 678 698 704 768 904 1024 1047 1056 1243 1356 1396 1408 1536 1808 2048 2094 2112 2486 2712 2792 2816 3072 3616 3729 3839 4096 4188 4224 4972 5424 5584 5632 6144 7232 7458 7678 8192 8376 8448 9944 10848 11168 11264 11517 12288 14464 14916 15356 16384 16752 16896 19888 21696 22336 22528 23034 24576 28928 29832 30712 33504 33792 39437 39776 43392 44672 45056 46068 49152 57856 59664 61424 67008 67584 78874 79552 86784 89344 90112 92136 115712 118311 119328 122848 134016 135168 157748 159104 173568 178688 180224 184272 231424 236622 238656 245696 268032 270336 315496 318208 347136 357376 368544 433807 462848 473244 477312 491392 536064 540672 630992 636416 694272 714752 737088 867614 925696 946488 954624 982784 1072128 1261984 1272832 1301421 1388544 1429504 1474176 1735228 1851392 1892976 1909248 1965568 2144256 2523968 2545664 2602842 2777088 2859008 2948352 3470456 3785952 3818496 3931136 4288512 5047936 5091328 5205684 5554176 5718016 5896704 6940912 7571904 7636992 7862272 8577024 10095872 10182656 10411368 11793408 13881824 15143808 15273984 15724544 17154048 20191744 20365312 20822736 23586816 27763648 30287616 30547968 31449088 40383488 41645472 47173632 55527296 60575232 61095936 62898176 80766976 83290944 94347264 111054592 121150464 161533952 166581888 188694528 222109184 242300928 323067904 333163776 444218368 484601856 646135808 666327552 888436736 969203712 1332655104 1776873472 1938407424 2665310208 3553746944 5330620416 7107493888 10661240832 21322481664
• Sum of all divisors σ(n): 62755358400
• Sum of proper divisors (its aliquot sum) s(n): 41432876736
• 21322481664 is an abundant number, because the sum of its proper divisors (41432876736) is greater than itself. Its abundance is 20110395072

Bases of 21322481664

• Binary: 10011110110111010110100000000000000₂
• Hexadecimal: 0x4F6EB4000
• Base-36: 9SMUS5C

Squares and roots of 21322481664

• 21322481664 squared (21322481664²) is 454648224311616208896
• 21322481664 cubed (21322481664³) is 9694228426454595636390153682944
• The square root of 21322481664 is 146022.1957922837
• The cube root of 21322481664 is 2772.9747596895

Scales and comparisons

• 21,322,481,664 seconds is equal to 677 years, 51 weeks, 2 days, 23 hours, 34 minutes, 24 seconds.
• To count from 1 to 21,322,481,664 would take you about one thousand, three hundred fifty-five 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 21322481664 cubic inches would be around 231.1 feet tall.

Recreational maths with 21322481664

• 21322481664 backwards is 46618422312
• The number of decimal digits it has is: 11
• The sum of 21322481664's digits is 39
• More coming soon!