21640235232

Names of 21640235232

• Cardinal: 21640235232 can be written as Twenty-one billion, six hundred forty million, two hundred thirty-five thousand, two hundred thirty-two.

Scientific notation

• Scientific notation: 2.1640235232 × 10¹⁰

Factors of 21640235232

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 111

Divisors of 21640235232

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 29 32 33 42 44 48 56 58 59 66 77 84 87 88 96 112 116 118 132 154 168 174 176 177 203 224 231 232 236 264 308 319 336 348 352 354 406 413 462 464 472 528 609 616 638 649 672 696 708 812 826 841 924 928 944 957 1056 1218 1232 1239 1276 1298 1392 1416 1624 1652 1682 1711 1848 1888 1914 1947 2233 2436 2464 2478 2523 2552 2596 2784 2832 3248 3304 3364 3422 3481 3696 3828 3894 4466 4543 4872 4956 5046 5104 5133 5192 5664 5887 6496 6608 6699 6728 6844 6962 7392 7656 7788 8932 9086 9251 9744 9912 10092 10208 10266 10384 10443 11774 11977 13216 13398 13456 13629 13688 13924 15312 15576 17661 17864 18172 18502 18821 19488 19824 20184 20532 20768 20886 23548 23954 24367 26796 26912 27258 27376 27753 27848 30624 31152 35322 35728 35931 36344 37004 37642 38291 39648 40368 41064 41772 47096 47908 48734 49619 53592 54516 54752 55506 55696 56463 62304 64757 70644 71456 71862 72688 73101 74008 75284 76582 80736 82128 83544 94192 95816 97468 99238 100949 107184 109032 111012 111392 112926 114873 129514 131747 141288 143724 145376 146202 148016 148857 150568 153164 164256 167088 188384 191632 194271 194936 198476 201898 214368 218064 222024 225852 229746 259028 263494 268037 282576 287448 292404 296032 297714 301136 302847 306328 334176 347333 383264 388542 389872 395241 396952 403796 436128 444048 451704 459492 518056 526988 536074 545809 565152 574896 584808 595428 602272 605694 612656 694666 706643 777084 779744 790482 793904 804111 807592 888096 903408 918984 1036112 1041999 1053976 1072148 1091618 1110439 1149792 1169616 1190856 1211388 1225312 1389332 1413286 1554168 1580964 1587808 1608222 1615184 1637427 1806816 1837968 2072224 2083998 2107952 2119929 2144296 2183236 2220878 2339232 2381712 2422776 2778664 2826572 2927521 3108336 3161928 3216444 3230368 3274854 3331317 3675936 3820663 4167996 4215904 4239858 4288592 4366472 4441756 4763424 4845552 5557328 5653144 5855042 6216672 6323856 6432888 6549708 6662634 7641326 7773073 8335992 8479716 8577184 8732944 8782563 8883512 9691104 11114656 11306288 11461989 11710084 12647712 12865776 13099416 13325268 15282652 15546146 16671984 16959432 17465888 17565126 17767024 20492647 22612576 22923978 23319219 23420168 25731552 26198832 26650536 30565304 31092292 32202731 33343968 33918864 35130252 35534048 40985294 45847956 46638438 46840336 52397664 53301072 61130608 61477941 62184584 64405462 67837728 70260504 81970588 91695912 93276876 93680672 96608193 106602144 122261216 122955882 124369168 128810924 140521008 163941176 183391824 186553752 193216386 225419117 245911764 248738336 257621848 281042016 327882352 366783648 373107504 386432772 450838234 491823528 515243696 655764704 676257351 746215008 772865544 901676468 983647056 1030487392 1352514702 1545731088 1803352936 1967294112 2705029404 3091462176 3606705872 5410058808 7213411744 10820117616 21640235232
• Sum of all divisors σ(n): 74613232512
• Sum of proper divisors (its aliquot sum) s(n): 52972997280
• 21640235232 is an abundant number, because the sum of its proper divisors (52972997280) is greater than itself. Its abundance is 31332762048

Bases of 21640235232

• Binary: 10100001001110110111100100011100000₂
• Hexadecimal: 0x509DBC8E0
• Base-36: 9XW1CDC

Squares and roots of 21640235232

• 21640235232 squared (21640235232²) is 468299780896294093824
• 21640235232 cubed (21640235232³) is 10134117417689863987403638407168
• The square root of 21640235232 is 147106.2039208409
• The cube root of 21640235232 is 2786.6814442821

Scales and comparisons

• 21,640,235,232 seconds is equal to 688 years, 4 weeks, 5 days, 16 hours, 27 minutes, 12 seconds.
• To count from 1 to 21,640,235,232 would take you about one thousand, three hundred seventy-six 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 21640235232 cubic inches would be around 232.2 feet tall.

Recreational maths with 21640235232

• 21640235232 backwards is 23253204612
• The number of decimal digits it has is: 11
• The sum of 21640235232's digits is 30
• More coming soon!