21245620704

Names of 21245620704

• Cardinal: 21245620704 can be written as Twenty-one billion, two hundred forty-five million, six hundred twenty thousand, seven hundred four.

Scientific notation

• Scientific notation: 2.1245620704 × 10¹⁰

Factors of 21245620704

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 264

Divisors of 21245620704

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 49 53 56 61 66 77 84 88 96 98 106 112 122 127 132 147 154 159 168 176 183 196 212 224 231 244 254 264 294 308 318 336 352 366 371 381 392 424 427 462 488 508 528 539 583 588 616 636 671 672 732 742 762 784 848 854 889 924 976 1016 1056 1078 1113 1166 1176 1232 1272 1281 1342 1397 1464 1484 1524 1568 1617 1696 1708 1749 1778 1848 1952 2013 2032 2156 2226 2332 2352 2464 2544 2562 2597 2667 2684 2794 2928 2968 2989 3048 3233 3234 3416 3498 3556 3696 4026 4064 4081 4191 4312 4452 4664 4697 4704 5088 5124 5194 5334 5368 5588 5856 5936 5978 6096 6223 6466 6468 6731 6832 6996 7112 7392 7747 7791 8052 8162 8382 8624 8904 8967 9328 9394 9699 9779 10248 10388 10668 10736 11176 11872 11956 12192 12243 12446 12932 12936 13462 13664 13992 14091 14224 15494 15582 16104 16324 16764 17248 17808 17934 18656 18669 18788 19398 19558 20193 20496 20776 21336 21472 22352 22631 23241 23912 24486 24892 25864 25872 26924 27984 28182 28448 28567 29337 30988 31164 32208 32648 32879 33528 35563 35616 35868 37338 37576 38796 39116 40386 40992 41552 42672 44704 45262 46482 47117 47824 48972 49784 51728 51744 53848 54229 55968 56364 57134 58674 61976 62328 64416 65296 65758 67056 67893 68453 71126 71736 74041 74676 75152 77592 78232 80772 83104 85217 85344 85701 90524 92964 94234 95648 97944 98637 99568 103456 106689 107696 108458 112728 114268 117348 123952 124656 130592 131516 134112 135786 136906 141351 142252 143472 148082 149352 150304 155184 156464 158417 161544 162687 170434 171402 181048 185928 188468 195888 197274 199136 205359 213378 215392 216916 222123 225456 228536 234696 247904 248941 249312 255651 263032 271572 273812 282702 284504 286944 296164 298704 310368 312928 316834 323088 325374 329819 340868 342804 362096 371856 376936 379603 391776 394548 410591 410718 426756 433832 444246 450912 457072 469392 475251 497882 511302 518287 526064 543144 547624 565404 569008 592328 596519 597408 633668 646176 650748 659638 681736 685608 724192 743712 746823 753872 759206 789096 821182 821436 853512 867664 888492 914144 938784 950502 989457 995764 1022604 1036574 1052128 1086288 1095248 1130808 1138016 1138809 1184656 1193038 1231773 1267336 1301496 1319276 1363472 1371216 1493646 1507744 1518412 1554861 1578192 1642364 1642872 1707024 1735328 1742587 1776984 1789557 1901004 1978914 1991528 2045208 2073148 2172576 2190496 2261616 2277618 2369312 2386076 2463546 2534672 2602992 2638552 2726944 2742432 2874137 2987292 3036824 3109722 3156384 3284728 3285744 3414048 3485174 3553968 3579114 3628009 3802008 3957828 3983056 4090416 4146296 4175633 4516501 4523232 4555236 4772152 4927092 5069344 5205984 5227761 5277104 5748274 5974584 6073648 6219444 6569456 6571488 6970348 7107936 7158228 7256018 7604016 7915656 7966112 8180832 8292592 8351266 8622411 9033002 9110472 9544304 9854184 10455522 10554208 10884027 11496548 11949168 12147296 12438888 12526899 13138912 13549503 13940696 14316456 14512036 15208032 15831312 16585184 16702532 17244822 18066004 18220944 19088608 19708368 20118959 20911044 21768054 22993096 23898336 24877776 25053798 27099006 27881392 28632912 29024072 31615507 31662624 33405064 34489644 36132008 36441888 39416736 40237918 41822088 43536108 45986192 49755552 50107596 54198012 55762784 57265824 58048144 60356877 63231014 66810128 68979288 72264016 80475836 83644176 87072216 91972384 94846521 100215192 108396024 116096288 120713754 126462028 133620256 137958576 144528032 160951672 167288352 174144432 189693042 200430384 216792048 221308549 241427508 252924056 275917152 321903344 348288864 379386084 400860768 433584096 442617098 482855016 505848112 643806688 663925647 758772168 885234196 965710032 1011696224 1327851294 1517544336 1770468392 1931420064 2655702588 3035088672 3540936784 5311405176 7081873568 10622810352 21245620704
• Sum of all divisors σ(n): 73867272192
• Sum of proper divisors (its aliquot sum) s(n): 52621651488
• 21245620704 is an abundant number, because the sum of its proper divisors (52621651488) is greater than itself. Its abundance is 31376030784

Bases of 21245620704

• Binary: 10011110010010101100111000111100000₂
• Hexadecimal: 0x4F25671E0
• Base-36: 9RD3DUO

Squares and roots of 21245620704

• 21245620704 squared (21245620704²) is 451376399098233455616
• 21245620704 cubed (21245620704³) is 9589771769978395634460754673664
• The square root of 21245620704 is 145758.7757358027
• The cube root of 21245620704 is 2769.6388423383

Scales and comparisons

• 21,245,620,704 seconds is equal to 675 years, 28 weeks, 2 days, 9 hours, 18 minutes, 24 seconds.
• To count from 1 to 21,245,620,704 would take you about one thousand, three hundred fifty-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 21245620704 cubic inches would be around 230.8 feet tall.

Recreational maths with 21245620704

• 21245620704 backwards is 40702654212
• 21245620704 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21245620704's digits is 33
• More coming soon!