18697968432

Names of 18697968432

• Cardinal: 18697968432 can be written as Eighteen billion, six hundred ninety-seven million, nine hundred sixty-eight thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.8697968432 × 10¹⁰

Factors of 18697968432

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1800

Divisors of 18697968432

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 17 18 22 24 26 31 33 34 36 39 44 48 51 52 62 66 68 72 78 88 93 99 102 104 117 124 132 136 143 144 153 156 176 186 187 198 204 208 221 234 248 264 272 279 286 306 312 341 372 374 396 403 408 429 442 468 496 527 528 558 561 572 612 624 663 682 744 748 792 806 816 858 884 936 1023 1054 1116 1122 1144 1209 1224 1287 1326 1364 1488 1496 1581 1584 1612 1683 1716 1723 1768 1872 1989 2046 2108 2232 2244 2288 2418 2431 2448 2574 2652 2728 2992 3069 3162 3224 3366 3432 3446 3536 3627 3978 4092 4216 4433 4464 4488 4743 4836 4862 5148 5169 5304 5456 5797 6138 6324 6448 6732 6851 6864 6892 7254 7293 7956 8184 8432 8866 8976 9486 9672 9724 10296 10338 10608 11594 12276 12648 13299 13464 13702 13784 14508 14586 15507 15912 16368 17391 17732 18953 18972 19344 19448 20553 20592 20676 21879 22399 23188 24552 25296 26598 26928 27404 27568 29016 29172 29291 31014 31824 34782 35464 37906 37944 38896 39897 41106 41352 43758 44798 46376 49104 52173 53196 53413 54808 56859 58032 58344 58582 61659 62028 67197 69564 70928 75361 75812 75888 79794 82212 82704 87516 87873 89596 92752 104346 106392 106826 109616 113718 116688 117164 123318 124056 134394 139128 150722 151624 159588 160239 164424 170577 175032 175746 179192 201591 208692 212784 213652 226083 227436 234328 246389 246636 248112 263619 268788 278256 301444 303248 319176 320478 322201 328848 341154 350064 351492 358384 380783 403182 417384 427304 452166 454872 468656 480717 492778 493272 527238 537576 587543 602888 638352 640956 644402 678249 682308 694369 702984 739167 761566 806364 834768 854608 904332 908021 909744 961434 966603 985556 986544 1054476 1075152 1142349 1175086 1205776 1281912 1288804 1356498 1364616 1388738 1405968 1478334 1523132 1612728 1762629 1808664 1816042 1922868 1933206 1971112 2083107 2108952 2217501 2284698 2350172 2563824 2577608 2712996 2724063 2729232 2777476 2899809 2956668 3046264 3225456 3427047 3525258 3617328 3632084 3845736 3866412 3942224 4166214 4188613 4217904 4435002 4569396 4700344 5155216 5287887 5425992 5448126 5554952 5799618 5913336 6092528 6249321 6854094 7050516 7264168 7638059 7691472 7732824 8172189 8332428 8377226 8870004 9138792 9400688 9988231 10575774 10851984 10896252 11109904 11599236 11804273 11826672 12498642 12565839 13708188 14101032 14528336 15276118 15465648 16344378 16664856 16754452 17740008 18277584 19976462 21151548 21792504 22914177 23198472 23608546 24997284 25131678 27416376 28202064 29964693 30552236 32688756 33329712 33508904 35412819 35480016 37697517 39952924 42303096 43585008 45828354 46396944 47217092 49994568 50263356 54832752 59929386 61104472 65377512 67017808 68742531 70825638 75395034 79905848 84606192 89894079 91656708 94434184 99989136 100526712 106238457 119858772 122208944 129847003 130755024 137485062 141651276 150790068 159811696 179788158 183313416 188868368 201053424 212476914 239717544 259694006 274970124 283302552 301580136 359576316 366626832 389541009 424953828 479435088 519388012 549940248 566605104 603160272 719152632 779082018 849907656 1038776024 1099880496 1168623027 1438305264 1558164036 1699815312 2077552048 2337246054 3116328072 4674492108 6232656144 9348984216 18697968432
• Sum of all divisors σ(n): 67231696896
• Sum of proper divisors (its aliquot sum) s(n): 48533728464
• 18697968432 is an abundant number, because the sum of its proper divisors (48533728464) is greater than itself. Its abundance is 29835760032

Bases of 18697968432

• Binary: 10001011010011111000101101100110000₂
• Hexadecimal: 0x45A7C5B30
• Base-36: 8L8ACS0

Squares and roots of 18697968432

• 18697968432 squared (18697968432²) is 349614023484068538624
• 18697968432 cubed (18697968432³) is 6537071974489620190115924717568
• The square root of 18697968432 is 136740.5149617333
• The cube root of 18697968432 is 2654.1867333645

Scales and comparisons

• 18,697,968,432 seconds is equal to 594 years, 27 weeks, 6 days, 16 hours, 7 minutes, 12 seconds.
• To count from 1 to 18,697,968,432 would take you about one thousand, one hundred eighty-nine 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 18697968432 cubic inches would be around 221.2 feet tall.

Recreational maths with 18697968432

• 18697968432 backwards is 23486979681
• The number of decimal digits it has is: 11
• The sum of 18697968432's digits is 63
• More coming soon!