21994934720

Names of 21994934720

• Cardinal: 21994934720 can be written as Twenty-one billion, nine hundred ninety-four million, nine hundred thirty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.199493472 × 10¹⁰

Factors of 21994934720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 588

Divisors of 21994934720

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 113 121 160 176 220 226 242 320 352 440 452 457 484 565 605 704 880 904 914 968 1130 1210 1243 1331 1760 1808 1828 1936 2260 2285 2420 2486 2662 3520 3616 3656 3872 4520 4570 4840 4972 5027 5324 6215 6655 7232 7312 7744 9040 9140 9680 9944 10054 10648 12430 13310 13673 14624 18080 18280 19360 19888 20108 21296 24860 25135 26620 27346 29248 36160 36560 38720 39776 40216 42592 49720 50270 51641 53240 54692 55297 68365 73120 79552 80432 85184 99440 100540 103282 106480 109384 110594 136730 146240 150403 160864 198880 201080 206564 212960 218768 221188 258205 273460 276485 300806 321728 397760 402160 413128 425920 437536 442376 516410 546920 552970 568051 601612 608267 752015 804320 826256 875072 884752 1032820 1093840 1105940 1136102 1203224 1216534 1504030 1608640 1652512 1769504 2065640 2187680 2211880 2272204 2406448 2433068 2840255 3008060 3041335 3305024 3539008 4131280 4375360 4423760 4544408 4812896 4866136 5680510 6016120 6082670 6248561 8262560 8847520 9088816 9625792 9732272 11361020 12032240 12165340 12497122 16525120 17695040 18177632 19464544 22722040 24064480 24330680 24994244 31242805 36355264 38929088 45444080 48128960 48661360 49988488 62485610 68734171 90888160 97322720 99976976 124971220 137468342 181776320 194645440 199953952 249942440 274936684 343670855 399907904 499884880 549873368 687341710 999769760 1099746736 1374683420 1999539520 2199493472 2749366840 4398986944 5498733680 10997467360 21994934720
• Sum of all divisors σ(n): 58246036416
• Sum of proper divisors (its aliquot sum) s(n): 36251101696
• 21994934720 is an abundant number, because the sum of its proper divisors (36251101696) is greater than itself. Its abundance is 14256166976

Bases of 21994934720

• Binary: 10100011111000000000001000111000000₂
• Hexadecimal: 0x51F0011C0
• Base-36: A3R7S8W

Squares and roots of 21994934720

• 21994934720 squared (21994934720²) is 483777153337061478400
• 21994934720 cubed (21994934720³) is 10640646906676097374034690048000
• The square root of 21994934720 is 148306.8937035633
• The cube root of 21994934720 is 2801.8242669707

Scales and comparisons

• 21,994,934,720 seconds is equal to 699 years, 19 weeks, 2 days, 5 minutes, 20 seconds.
• To count from 1 to 21,994,934,720 would take you about one thousand, three hundred ninety-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 21994934720 cubic inches would be around 233.5 feet tall.

Recreational maths with 21994934720

• 21994934720 backwards is 02743949912
• The number of decimal digits it has is: 11
• The sum of 21994934720's digits is 50
• More coming soon!