21295812384

Names of 21295812384

• Cardinal: 21295812384 can be written as Twenty-one billion, two hundred ninety-five million, eight hundred twelve thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.1295812384 × 10¹⁰

Factors of 21295812384

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 5104

Divisors of 21295812384

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 32 33 36 42 44 48 49 54 56 63 66 72 77 81 84 88 96 98 99 108 112 126 132 144 147 154 162 168 176 189 196 198 216 224 231 243 252 264 288 294 297 308 324 336 352 378 392 396 432 441 462 486 504 528 539 567 588 594 616 648 672 693 756 784 792 864 882 891 924 972 1008 1056 1078 1134 1176 1188 1232 1296 1323 1386 1512 1568 1584 1617 1701 1764 1782 1848 1944 2016 2079 2156 2268 2352 2376 2464 2592 2646 2673 2772 3024 3168 3234 3402 3528 3564 3696 3888 3969 4158 4312 4536 4704 4752 4851 5081 5292 5346 5544 6048 6237 6468 6804 7056 7128 7392 7776 7938 8316 8624 9072 9504 9702 10162 10584 10692 11088 11907 12474 12936 13608 14112 14256 14553 15243 15876 16632 17248 18144 18711 19404 20324 21168 21384 22176 23814 24948 25872 27216 28512 29106 30486 31752 33264 35567 37422 38808 40648 42336 42768 43659 45729 47628 49896 51744 54432 55891 58212 60972 63504 66528 71134 74844 77616 81296 85536 87318 91458 95256 99792 106701 111782 116424 121944 127008 130977 137187 142268 149688 155232 162592 167673 174636 182916 190512 199584 213402 223564 232848 243888 248969 261954 274374 284536 299376 320103 335346 349272 365832 381024 391237 411561 426804 447128 465696 487776 497938 503019 523908 548748 569072 598752 640206 670692 698544 731664 746907 782474 823122 853608 894256 960309 995876 1006038 1047816 1097496 1138144 1173711 1234683 1280412 1341384 1397088 1463328 1493814 1509057 1564948 1646244 1707216 1788512 1920618 1991752 2012076 2095632 2194992 2240721 2347422 2469366 2560824 2682768 2738659 2880927 2987628 3018114 3129896 3292488 3414432 3521133 3841236 3983504 4024152 4191264 4389984 4481442 4527171 4694844 4938732 5121648 5365536 5477318 5761854 5975256 6036228 6259792 6584976 6722163 7042266 7682472 7967008 8048304 8215977 8642781 8962884 9054342 9389688 9877464 10243296 10563399 10954636 11523708 11950512 12072456 12519584 13169952 13444326 13581513 14084532 15364944 16096608 16431954 17285562 17925768 18108684 18779376 19754928 20166489 21126798 21909272 23047416 23901024 24144912 24647931 26888652 27163026 28169064 30729888 31690197 32863908 34571124 35851536 36217368 37558752 39509856 40332978 42253596 43818544 46094832 48289824 49295862 53777304 54326052 56338128 60499467 63380394 65727816 69142248 71703072 72434736 73943793 80665956 84507192 87637088 92189664 95070591 98591724 107554608 108652104 112676256 120998934 126760788 131455632 138284496 144869472 147887586 161331912 169014384 190141182 197183448 215109216 217304208 221831379 241997868 253521576 262911264 276568992 295775172 322663824 338028768 380282364 394366896 434608416 443662758 483995736 507043152 591550344 645327648 665494137 760564728 788733792 887325516 967991472 1014086304 1183100688 1330988274 1521129456 1774651032 1935982944 2366201376 2661976548 3042258912 3549302064 5323953096 7098604128 10647906192 21295812384
• Sum of all divisors σ(n): 79713650016
• Sum of proper divisors (its aliquot sum) s(n): 58417837632
• 21295812384 is an abundant number, because the sum of its proper divisors (58417837632) is greater than itself. Its abundance is 37122025248

Bases of 21295812384

• Binary: 10011110101010101000100111100100000₂
• Hexadecimal: 0x4F5544F20
• Base-36: 9S6Z600

Squares and roots of 21295812384

• 21295812384 squared (21295812384²) is 453511625094527763456
• 21295812384 cubed (21295812384³) is 9657898481976009515638107439104
• The square root of 21295812384 is 145930.8479520351
• The cube root of 21295812384 is 2771.8181698913

Scales and comparisons

• 21,295,812,384 seconds is equal to 677 years, 7 weeks, 2 days, 7 hours, 26 minutes, 24 seconds.
• To count from 1 to 21,295,812,384 would take you about one thousand, three hundred fifty-four 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 21295812384 cubic inches would be around 231 feet tall.

Recreational maths with 21295812384

• 21295812384 backwards is 48321859212
• The number of decimal digits it has is: 11
• The sum of 21295812384's digits is 45
• More coming soon!