21679789821427712

Names of 21679789821427712

• Cardinal: 21679789821427712 can be written as Twenty-one quadrillion, six hundred seventy-nine trillion, seven hundred eighty-nine billion, eight hundred twenty-one million, four hundred twenty-seven thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 2.1679789821427712 × 10¹⁶

Factors of 21679789821427712

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 4828

Divisors of 21679789821427712

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 104 128 169 208 256 338 416 512 676 832 1024 1352 1664 2048 2197 2704 3328 4096 4394 4813 5408 6656 8192 8788 9626 10816 13312 16384 17576 19252 21632 26624 28561 32768 35152 38504 43264 53248 57122 62569 70304 77008 86528 106496 114244 125138 140608 154016 173056 212992 228488 250276 281216 308032 346112 425984 456976 500552 562432 616064 692224 813397 913952 1001104 1124864 1232128 1384448 1626794 1827904 2002208 2249728 2464256 2768896 3253588 3655808 4004416 4499456 4928512 5537792 6507176 7311616 8008832 8998912 9857024 10574161 13014352 14623232 16017664 17997824 19714048 21148322 23164969 26028704 29246464 32035328 35995648 39428096 42296644 46329938 52057408 58492928 64070656 71991296 78856192 84593288 92659876 104114816 116985856 128141312 137464093 157712384 169186576 185319752 208229632 233971712 256282624 274928186 301144597 338373152 370639504 416459264 467943424 512565248 549856372 602289194 676746304 741279008 832918528 935886848 1025130496 1099712744 1204578388 1353492608 1482558016 1665837056 2050260992 2199425488 2409156776 2706985216 2965116032 3331674112 3914879761 4398850976 4818313552 5413970432 5930232064 6663348224 7829759522 8797701952 9636627104 10827940864 11860464128 13326696448 15659519044 17595403904 19273254208 21655881728 23720928256 26653392896 31319038088 35190807808 38546508416 43311763456 47441856512 50893436893 62638076176 70381615616 77093016832 86623526912 94883713024 101786873786 125276152352 140763231232 154186033664 173247053824 189767426048 203573747572 250552304704 281526462464 308372067328 346494107648 379534852096 407147495144 501104609408 563052924928 616744134656 661614679609 759069704192 814294990288 1002209218816 1126105849856 1233488269312 1323229359218 1628589980576 2004418437632 2252211699712 2466976538624 2646458718436 3257179961152 4008836875264 4504423399424 4933953077248 5292917436872 6514359922304 8017673750528 9867906154496 10585834873744 13028719844608 16035347501056 21171669747488 26057439689216 32070695002112 42343339494976 52114879378432 64141390004224 84686678989952 104229758756864 128282780008448 169373357979904 208459517513728 338746715959808 416919035027456 677493431919616 833838070054912 1354986863839232 1667676140109824 2709973727678464 5419947455356928 10839894910713856 21679789821427712
• Sum of all divisors σ(n): 46981796124049605
• Sum of proper divisors (its aliquot sum) s(n): 25302006302621893
• 21679789821427712 is an abundant number, because the sum of its proper divisors (25302006302621893) is greater than itself. Its abundance is 3622216481194181

Bases of 21679789821427712

• Binary: 1001101000001011010011101101011000111001000000000000000₂
• Hexadecimal: 0x4D05A76B1C8000
• Base-36: 5XGUDY83C3K

Squares and roots of 21679789821427712

• 21679789821427712 squared (21679789821427712²) is 470013286701280624569022041554944
• 21679789821427712 cubed (21679789821427712³) is 10189789268962208675077584706923179498862572208128
• The square root of 21679789821427712 is 147240584.8311793143
• The cube root of 21679789821427712 is 278837.8267342067

Scales and comparisons

• 21,679,789,821,427,712 seconds is equal to 689,350,256 years, 17 weeks, 13 hours, 28 minutes, 32 seconds.
• To count from 1 to 21,679,789,821,427,712 would take you about two billion, sixty-eight million, fifty thousand, seven hundred sixty-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 21679789821427712 cubic inches would be around 23236.5 feet tall.

Recreational maths with 21679789821427712

• 21679789821427712 backwards is 21772412898797612
• The number of decimal digits it has is: 17
• The sum of 21679789821427712's digits is 83
• More coming soon!