21445004880

Names of 21445004880

• Cardinal: 21445004880 can be written as Twenty-one billion, four hundred forty-five million, four thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 2.144500488 × 10¹⁰

Factors of 21445004880

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 4542

Divisors of 21445004880

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 36 39 40 45 48 52 54 60 65 72 78 80 90 104 108 117 120 130 135 144 156 169 180 195 208 216 234 240 260 270 312 338 351 360 390 432 468 507 520 540 585 624 676 702 720 780 845 936 1014 1040 1080 1170 1352 1404 1521 1560 1690 1755 1872 2028 2160 2197 2340 2535 2704 2808 3042 3120 3380 3510 4056 4394 4519 4563 4680 5070 5616 6084 6591 6760 7020 7605 8112 8788 9038 9126 9360 10140 10985 12168 13182 13520 13557 14040 15210 17576 18076 18252 19773 20280 21970 22595 22815 24336 26364 27114 28080 30420 32955 35152 36152 36504 39546 40560 40671 43940 45190 45630 52728 54228 58747 59319 60840 65910 67785 72304 73008 79092 81342 87880 90380 91260 98865 105456 108456 117494 118638 121680 122013 131820 135570 158184 162684 175760 176241 180760 182520 197730 203355 216912 234988 237276 244026 263640 271140 293735 296595 316368 325368 352482 361520 365040 395460 406710 469976 474552 488052 527280 528723 542280 587470 593190 610065 650736 704964 763711 790920 813420 881205 939952 949104 976104 1057446 1084560 1174940 1186380 1220130 1409928 1527422 1581840 1586169 1626840 1762410 1952208 2114892 2291133 2349880 2372760 2440260 2643615 2819856 3054844 3172338 3253680 3524820 3818555 4229784 4582266 4699760 4745520 4880520 5287230 6109688 6344676 6873399 7049640 7637110 7930845 8459568 9164532 9761040 9928243 10574460 11455665 12219376 12689352 13746798 14099280 15274220 15861690 18329064 19856486 20620197 21148920 22911330 25378704 27493596 29784729 30548440 31723380 34366995 36658128 39712972 41240394 42297840 45822660 49641215 54987192 59569458 61096880 63446760 68733990 79425944 82480788 89354187 91645320 99282430 103100985 109974384 119138916 126893520 137467980 148923645 158851888 164961576 178708374 183290640 198564860 206201970 238277832 268062561 274935960 297847290 329923152 357416748 397129720 412403940 446770935 476555664 536125122 549871920 595694580 714833496 794259440 824807880 893541870 1072250244 1191389160 1340312805 1429666992 1649615760 1787083740 2144500488 2382778320 2680625610 3574167480 4289000976 5361251220 7148334960 10722502440 21445004880
• Sum of all divisors σ(n): 80036544000
• Sum of proper divisors (its aliquot sum) s(n): 58591539120
• 21445004880 is an abundant number, because the sum of its proper divisors (58591539120) is greater than itself. Its abundance is 37146534240

Bases of 21445004880

• Binary: 10011111110001110001100111001010000₂
• Hexadecimal: 0x4FE38CE50
• Base-36: 9UNSVO0

Squares and roots of 21445004880

• 21445004880 squared (21445004880²) is 459888234303223814400
• 21445004880 cubed (21445004880³) is 9862305428887218099540214272000
• The square root of 21445004880 is 146441.1311073497
• The cube root of 21445004880 is 2778.2759733109

Scales and comparisons

• 21,445,004,880 seconds is equal to 681 years, 46 weeks, 1 hour, 48 minutes.
• To count from 1 to 21,445,004,880 would take you about one thousand, three hundred sixty-three 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 21445004880 cubic inches would be around 231.5 feet tall.

Recreational maths with 21445004880

• 21445004880 backwards is 08840054412
• 21445004880 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21445004880's digits is 36
• More coming soon!