18431861040

Names of 18431861040

• Cardinal: 18431861040 can be written as Eighteen billion, four hundred thirty-one million, eight hundred sixty-one thousand and forty.

Scientific notation

• Scientific notation: 1.843186104 × 10¹⁰

Factors of 18431861040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 6224

Divisors of 18431861040

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 34 36 40 45 48 51 54 60 68 72 80 81 85 90 102 108 120 135 136 144 153 162 170 180 204 216 240 243 255 270 272 306 324 340 360 405 408 432 459 486 510 540 612 648 680 720 729 765 810 816 918 972 1020 1080 1215 1224 1296 1360 1377 1458 1530 1620 1836 1944 2040 2160 2187 2295 2430 2448 2754 2916 3060 3240 3645 3672 3888 4080 4131 4374 4590 4860 5508 5832 6120 6197 6480 6885 7290 7344 8262 8748 9180 9720 10935 11016 11664 12240 12393 12394 13770 14580 16524 17496 18360 18591 19440 20655 21870 22032 24786 24788 27540 29160 30985 33048 34992 36720 37179 37182 41310 43740 49572 49576 55080 55773 58320 61965 61970 66096 74358 74364 82620 87480 92955 99144 99152 105349 110160 111546 123930 123940 148716 148728 165240 167319 174960 185895 185910 198288 210698 223092 247860 247880 278865 297432 297456 316047 330480 334638 371790 371820 421396 446184 495720 495760 501957 526745 557730 594864 632094 669276 743580 743640 836595 842792 892368 948141 991440 1003914 1053490 1115460 1264188 1338552 1487160 1487280 1505871 1580235 1673190 1685584 1896282 2007828 2106980 2230920 2509785 2528376 2677104 2844423 2974320 3011742 3160470 3346380 3792564 4015656 4213960 4461840 4517613 4740705 5019570 5056752 5688846 6023484 6320940 6692760 7529355 7585128 8031312 8427920 8533269 9035226 9481410 10039140 11377692 12046968 12641880 13385520 13552839 14222115 15058710 15170256 17066538 18070452 18962820 20078280 22588065 22755384 24093936 25283760 25599807 27105678 28444230 30117420 34133076 36140904 37925640 40156560 42666345 45176130 45510768 51199614 54211356 56888460 60234840 67764195 68266152 72281808 75851280 76799421 85332690 90352260 102399228 108422712 113776920 120469680 127999035 135528390 136532304 153598842 170665380 180704520 204798456 216845424 227553840 230398263 255998070 271056780 307197684 341330760 361409040 383997105 409596912 460796526 511996140 542113560 614395368 682661520 767994210 921593052 1023992280 1084227120 1151991315 1228790736 1535988420 1843186104 2047984560 2303982630 3071976840 3686372208 4607965260 6143953680 9215930520 18431861040
• Sum of all divisors σ(n): 68062965120
• Sum of proper divisors (its aliquot sum) s(n): 49631104080
• 18431861040 is an abundant number, because the sum of its proper divisors (49631104080) is greater than itself. Its abundance is 31199243040

Bases of 18431861040

• Binary: 10001001010100111111110000100110000₂
• Hexadecimal: 0x44A9FE130
• Base-36: 8GTUR00

Squares and roots of 18431861040

• 18431861040 squared (18431861040²) is 339733501397869881600
• 18431861040 cubed (18431861040³) is 6261920688398183409652452864000
• The square root of 18431861040 is 135763.9902183197
• The cube root of 18431861040 is 2641.5351608493

Scales and comparisons

• 18,431,861,040 seconds is equal to 586 years, 3 weeks, 6 days, 17 hours, 24 minutes.
• To count from 1 to 18,431,861,040 would take you about one thousand, one hundred seventy-two 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 18431861040 cubic inches would be around 220.1 feet tall.

Recreational maths with 18431861040

• 18431861040 backwards is 04016813481
• 18431861040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18431861040's digits is 36
• More coming soon!