18418397536

Names of 18418397536

• Cardinal: 18418397536 can be written as Eighteen billion, four hundred eighteen million, three hundred ninety-seven thousand, five hundred thirty-six.

Scientific notation

• Scientific notation: 1.8418397536 × 10¹⁰

Factors of 18418397536

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 107

Divisors of 18418397536

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 7 8 11 14 16 19 22 28 31 32 37 38 44 49 56 62 74 76 77 88 98 112 124 133 148 152 154 176 196 209 217 224 248 259 266 296 304 308 341 343 352 392 407 418 434 496 518 532 539 589 592 608 616 682 686 703 784 814 836 868 931 992 1036 1064 1078 1147 1178 1184 1232 1364 1372 1406 1463 1519 1568 1628 1672 1736 1813 1862 2072 2128 2156 2294 2356 2387 2401 2464 2728 2744 2812 2849 2926 3038 3256 3344 3472 3626 3724 3773 4123 4144 4256 4312 4588 4712 4774 4802 4921 5456 5488 5624 5698 5852 6076 6479 6512 6517 6688 6944 7252 7448 7546 7733 8029 8246 8288 8624 9176 9424 9548 9604 9842 10241 10633 10912 10976 11248 11396 11704 12152 12617 12691 12958 13024 13034 14504 14896 15092 15466 16058 16492 16709 17248 18352 18848 19096 19208 19684 19943 20482 21266 21793 22496 22792 23408 24304 25234 25382 25916 26068 26411 28861 29008 29792 30184 30932 32116 32984 33418 34447 36704 38192 38416 39368 39886 40964 42532 43586 45353 45584 45619 46816 48608 50468 50764 51832 52136 52822 54131 56203 57722 58016 60368 61864 64232 65968 66836 68894 71687 74431 76384 76832 78736 79772 81928 85064 87172 88319 88837 90706 91168 91238 100936 101528 103664 104272 105644 108262 112406 115444 116963 120736 123728 128464 131936 133672 137788 139601 143374 148862 152551 157472 159544 163856 170128 174344 176638 177674 181412 182476 201872 202027 203056 207328 208544 211288 216524 224812 230888 233926 239723 241129 247456 256928 267344 275576 279202 286748 297724 305102 317471 319088 327712 340256 348688 353276 355348 362824 364952 378917 393421 403744 404054 406112 422576 433048 449624 461776 467852 479446 482258 501809 534688 551152 558404 573496 595448 610204 618233 634942 638176 697376 706552 710696 725648 729904 757834 786842 808108 818741 845152 866096 899248 923552 935704 958892 964516 977207 1003618 1067857 1102304 1116808 1146992 1190896 1220408 1236466 1269884 1413104 1414189 1421392 1451296 1459808 1515668 1573684 1616216 1637482 1678061 1687903 1732192 1798496 1871408 1917784 1929032 1954414 2007236 2135714 2222297 2233616 2293984 2381792 2440816 2472932 2539768 2652419 2753947 2826208 2828378 2842784 3031336 3147368 3232432 3274964 3356122 3375806 3742816 3835568 3858064 3908828 4014472 4271428 4327631 4444594 4467232 4881632 4945864 5079536 5304838 5507894 5656756 6062672 6294736 6464864 6549928 6712244 6751612 7474999 7671136 7716128 7817656 8028944 8542856 8655262 8889188 9891728 10159072 10609676 11015788 11313512 11746427 12125344 12589472 13099856 13424488 13503224 14949998 15556079 15635312 16057888 17085712 17310524 17778376 18566933 19783456 21219352 22031576 22627024 23492854 26199712 26848976 27006448 29899996 30293417 31112158 31270624 34171424 34621048 35556752 37133866 42438704 44063152 45254048 46985708 52324993 53697952 54012896 59799992 60586834 62224316 69242096 71113504 74267732 82224989 84877408 88126304 93971416 104649986 119599984 121173668 124448632 138484192 148535464 164449978 187942832 209299972 239199968 242347336 248897264 297070928 328899956 375885664 418599944 484694672 497794528 575574923 594141856 657799912 837199888 969389344 1151149846 1315599824 1674399776 2302299692 2631199648 4604599384 9209198768 18418397536
• Sum of all divisors σ(n): 51498961920
• Sum of proper divisors (its aliquot sum) s(n): 33080564384
• 18418397536 is an abundant number, because the sum of its proper divisors (33080564384) is greater than itself. Its abundance is 14662166848

Bases of 18418397536

• Binary: 10001001001110100100111000101100000₂
• Hexadecimal: 0x449D27160
• Base-36: 8GLU6HS

Squares and roots of 18418397536

• 18418397536 squared (18418397536²) is 339237367794130871296
• 18418397536 cubed (18418397536³) is 6248208699098545795139779526656
• The square root of 18418397536 is 135714.3969370973
• The cube root of 18418397536 is 2640.8918367357

Scales and comparisons

• 18,418,397,536 seconds is equal to 585 years, 33 weeks, 4 days, 21 hours, 32 minutes, 16 seconds.
• To count from 1 to 18,418,397,536 would take you about one thousand, one hundred seventy-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 18418397536 cubic inches would be around 220.1 feet tall.

Recreational maths with 18418397536

• 18418397536 backwards is 63579381481
• The number of decimal digits it has is: 11
• The sum of 18418397536's digits is 55
• More coming soon!