18108040392

Names of 18108040392

• Cardinal: 18108040392 can be written as Eighteen billion, one hundred eight million, forty thousand, three hundred ninety-two.

Scientific notation

• Scientific notation: 1.8108040392 × 10¹⁰

Factors of 18108040392

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 857

Divisors of 18108040392

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 23 24 26 36 39 46 52 69 72 78 89 92 104 117 138 156 169 178 184 207 234 267 276 299 312 338 356 414 468 507 534 552 598 676 712 727 801 828 897 936 1014 1068 1157 1196 1352 1454 1521 1602 1656 1794 2028 2047 2136 2181 2314 2392 2691 2908 3042 3204 3471 3588 3887 4056 4094 4362 4628 5382 5816 6084 6141 6408 6543 6942 7176 7774 8188 8724 9256 9451 10413 10764 11661 12168 12282 13086 13884 15041 15548 16376 16721 17448 18423 18902 20826 21528 23322 24564 26172 26611 27768 28353 30082 31096 33442 34983 36846 37804 41652 45123 46644 49128 50163 52344 53222 56706 60164 64703 66884 69966 73692 75608 79833 83304 85059 90246 93288 100326 106444 113412 120328 122863 129406 133768 135369 139932 147384 150489 159666 170118 180492 194109 200652 212888 217373 226824 239499 245726 258812 270738 279864 300978 319332 340236 345943 360984 368589 388218 401304 434746 478998 491452 517624 541476 582327 601956 638664 652119 680472 691886 737178 776436 841139 869492 957996 982904 1037829 1082952 1105767 1164654 1203912 1304238 1383772 1474356 1488169 1552872 1682278 1738984 1915992 1956357 2075658 2211534 2329308 2523417 2608476 2767544 2825849 2948712 2976338 3113487 3364556 3912714 4151316 4423068 4464507 4658616 5046834 5216952 5651698 5952676 6226974 6729112 7570251 7825428 8302632 8477547 8846136 8929014 10093668 10934807 11303396 11905352 12453948 13393521 15140502 15650856 16955094 17858028 19346197 20187336 21869614 22606792 24907896 25432641 26787042 30281004 32804421 33910188 35716056 38692394 43739228 50865282 53574084 58038591 60562008 65608842 67820376 77384788 87478456 98413263 101730564 107148168 116077182 131217684 154769576 174115773 196826526 203461128 232154364 251500561 262435368 348231546 393653052 464308728 503001122 696463092 754501683 787306104 1006002244 1392926184 1509003366 2012004488 2263505049 3018006732 4527010098 6036013464 9054020196 18108040392
• Sum of all divisors σ(n): 56113948800
• Sum of proper divisors (its aliquot sum) s(n): 38005908408
• 18108040392 is an abundant number, because the sum of its proper divisors (38005908408) is greater than itself. Its abundance is 19897868016

Bases of 18108040392

• Binary: 10000110111010100101100010011001000₂
• Hexadecimal: 0x43752C4C8
• Base-36: 8BH25E0

Squares and roots of 18108040392

• 18108040392 squared (18108040392²) is 327901126838303513664
• 18108040392 cubed (18108040392³) is 5937646849370315278183235916288
• The square root of 18108040392 is 134566.1190344733
• The cube root of 18108040392 is 2625.9743813467

Scales and comparisons

• 18,108,040,392 seconds is equal to 575 years, 40 weeks, 3 days, 19 hours, 13 minutes, 12 seconds.
• To count from 1 to 18,108,040,392 would take you about one thousand, one hundred fifty-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 18108040392 cubic inches would be around 218.8 feet tall.

Recreational maths with 18108040392

• 18108040392 backwards is 29304080181
• 18108040392 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18108040392's digits is 36
• More coming soon!