18147853944

Names of 18147853944

• Cardinal: 18147853944 can be written as Eighteen billion, one hundred forty-seven million, eight hundred fifty-three thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 1.8147853944 × 10¹⁰

Factors of 18147853944

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 127

Divisors of 18147853944

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 23 24 33 36 41 44 46 47 66 69 72 82 88 92 94 99 121 123 132 138 141 164 184 188 198 207 242 246 253 264 276 282 328 363 369 376 396 414 423 451 484 492 506 517 552 564 726 738 759 792 828 846 902 943 968 984 1012 1034 1081 1089 1128 1353 1452 1476 1518 1551 1656 1692 1804 1886 1927 2024 2068 2162 2178 2209 2277 2706 2783 2829 2904 2952 3036 3102 3243 3384 3608 3772 3854 4059 4136 4324 4356 4418 4554 4653 4961 5412 5566 5658 5687 5781 6072 6204 6486 6627 7544 7708 8118 8349 8487 8648 8712 8836 9108 9306 9729 9922 10373 10824 11132 11316 11374 11562 11891 12408 12972 13254 14883 15416 16236 16698 16974 17061 17343 17672 18216 18612 19458 19844 19881 20746 21197 22264 22632 22748 23124 23782 24299 25047 25944 26508 29766 31119 32472 33396 33948 34122 34686 35673 37224 38916 39688 39762 41492 42394 44321 44649 45496 46248 47564 48598 50094 50807 51183 53016 59532 62238 63591 66792 67896 68244 69372 71346 72897 77832 79524 82984 84788 88642 89298 90569 93357 95128 97196 100188 101614 102366 107019 114103 119064 124476 127182 130801 132963 136488 138744 142692 145794 152421 159048 169576 177284 178596 181138 186714 190773 194392 200376 203228 204732 214038 218691 228206 233167 248952 254364 261602 265926 267289 271707 285384 291588 304842 342309 354568 357192 362276 373428 381546 392403 398889 406456 409464 428076 437382 456412 457263 466334 487531 508728 523204 531852 534578 543414 558877 583176 609684 684618 699501 724552 746856 763092 784806 797778 801867 815121 856152 874764 912824 914526 932668 975062 996259 1026927 1046408 1063704 1069156 1086828 1117754 1177209 1219368 1369236 1399002 1462593 1526184 1569612 1595556 1603734 1630242 1676631 1749528 1829052 1865336 1950124 1992518 2053854 2083087 2098503 2138312 2173656 2235508 2354418 2405601 2738472 2798004 2925186 2988777 3139224 3191112 3207468 3260484 3353262 3658104 3900248 3985036 4107708 4166174 4197006 4387779 4471016 4708836 4811202 5029893 5362841 5596008 5850372 5977554 6147647 6249261 6414936 6520968 6706524 7970072 8215416 8332348 8394012 8775558 8966331 9417672 9622404 10059786 10725682 10958849 11700744 11955108 12295294 12498522 13413048 16088523 16664696 16788024 17551116 17932662 18442941 18747783 19244808 20119572 21451364 21917698 22913957 23910216 24590588 24997044 32177046 32876547 35102232 35865324 36885882 37495566 40239144 42902728 43835396 45827914 48265569 49181176 49994088 55328823 64354092 65753094 68741871 71730648 73771764 74991132 87670792 91655828 96531138 98629641 110657646 128708184 131506188 137483742 147543528 149982264 183311656 193062276 197259282 206225613 221315292 252053527 263012376 274967484 386124552 394518564 412451226 442630584 504107054 549934968 756160581 789037128 824902452 1008214108 1512321162 1649804904 2016428216 2268481743 3024642324 4536963486 6049284648 9073926972 18147853944
• Sum of all divisors σ(n): 59003577360
• Sum of proper divisors (its aliquot sum) s(n): 40855723416
• 18147853944 is an abundant number, because the sum of its proper divisors (40855723416) is greater than itself. Its abundance is 22707869472

Bases of 18147853944

• Binary: 10000111001101100100100011001111000₂
• Hexadecimal: 0x439B24678
• Base-36: 8C4RHQ0

Squares and roots of 18147853944

• 18147853944 squared (18147853944²) is 329344602772756355136
• 18147853944 cubed (18147853944³) is 5976897748364679755305922256384
• The square root of 18147853944 is 134713.9708567751
• The cube root of 18147853944 is 2627.8975203813

Scales and comparisons

• 18,147,853,944 seconds is equal to 577 years, 2 weeks, 2 days, 14 hours, 32 minutes, 24 seconds.
• To count from 1 to 18,147,853,944 would take you about one thousand, one 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 18147853944 cubic inches would be around 219 feet tall.

Recreational maths with 18147853944

• 18147853944 backwards is 44935874181
• The number of decimal digits it has is: 11
• The sum of 18147853944's digits is 54
• More coming soon!