21717480384

Names of 21717480384

• Cardinal: 21717480384 can be written as Twenty-one billion, seven hundred seventeen million, four hundred eighty thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.1717480384 × 10¹⁰

Factors of 21717480384

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 649

Divisors of 21717480384

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 271 288 373 542 576 746 813 1084 1119 1492 1626 2168 2238 2439 2984 3252 3357 4336 4476 4878 5968 6504 6714 8672 8952 9756 11936 13008 13428 17344 17904 19512 23872 26016 26856 35808 39024 52032 53712 71616 78048 101083 107424 139129 156096 202166 214848 278258 303249 404332 417387 556516 606498 808664 834774 909747 1113032 1212996 1252161 1617328 1669548 1819494 2226064 2425992 2504322 3234656 3339096 3638988 4452128 4851984 5008644 6469312 6678192 7277976 8904256 9703968 10017288 13356384 14555952 19407936 20034576 26712768 29111904 37703959 40069152 58223808 75407918 80138304 113111877 150815836 226223754 301631672 339335631 452447508 603263344 678671262 904895016 1206526688 1357342524 1809790032 2413053376 2714685048 3619580064 5429370096 7239160128 10858740192 21717480384
• Sum of all divisors σ(n): 62646891216
• Sum of proper divisors (its aliquot sum) s(n): 40929410832
• 21717480384 is an abundant number, because the sum of its proper divisors (40929410832) is greater than itself. Its abundance is 19211930448

Bases of 21717480384

• Binary: 10100001110011101100111001111000000₂
• Hexadecimal: 0x50E7673C0
• Base-36: 9Z60Z40

Squares and roots of 21717480384

• 21717480384 squared (21717480384²) is 471648954229424787456
• 21717480384 cubed (21717480384³) is 10243026911611646657179049263104
• The square root of 21717480384 is 147368.5189719975
• The cube root of 21717480384 is 2789.9932076761

Scales and comparisons

• 21,717,480,384 seconds is equal to 690 years, 28 weeks, 3 days, 17 hours, 26 minutes, 24 seconds.
• To count from 1 to 21,717,480,384 would take you about one thousand, three hundred eighty-one 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 21717480384 cubic inches would be around 232.5 feet tall.

Recreational maths with 21717480384

• 21717480384 backwards is 48308471712
• The number of decimal digits it has is: 11
• The sum of 21717480384's digits is 45
• More coming soon!