18400489536

Names of 18400489536

• Cardinal: 18400489536 can be written as Eighteen billion, four hundred million, four hundred eighty-nine thousand, five hundred thirty-six.

Scientific notation

• Scientific notation: 1.8400489536 × 10¹⁰

Factors of 18400489536

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 432

Divisors of 18400489536

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 16 22 24 26 32 33 37 39 44 48 52 59 64 66 74 78 88 96 104 111 118 132 143 148 156 176 177 192 208 222 236 264 286 296 307 312 352 354 407 416 429 444 472 481 528 572 592 614 624 649 704 708 767 814 832 858 888 921 944 962 1056 1144 1184 1221 1228 1248 1298 1416 1443 1534 1628 1716 1776 1842 1888 1924 1947 2112 2183 2288 2301 2368 2442 2456 2496 2596 2832 2886 3068 3256 3377 3432 3552 3684 3776 3848 3894 3991 4366 4576 4602 4884 4912 5192 5291 5664 5772 6136 6512 6549 6754 6864 7104 7368 7696 7788 7982 8437 8732 9152 9204 9768 9824 10131 10384 10582 11328 11359 11544 11973 12272 13024 13098 13508 13728 14736 15392 15576 15873 15964 16874 17464 18113 18408 19536 19648 20262 20768 21164 22718 23088 23946 24013 24544 25311 26048 26196 27016 27456 28379 29472 30784 31152 31746 31928 33748 34077 34928 36226 36816 39072 40524 41536 42328 43901 45436 46176 47892 48026 49088 50622 52392 54032 54339 56758 58944 62304 63492 63856 67496 68154 69856 72039 72452 73632 78144 81048 84656 85137 87802 90872 92352 95784 96052 101244 104784 108064 108678 113516 124608 124949 126984 127712 131703 134992 136308 139712 144078 144904 147264 147667 162096 169312 170274 175604 181744 191568 192104 199243 202488 209568 216128 217356 227032 235469 249898 253968 255424 263406 269984 272616 288156 289808 295334 312169 324192 338624 340548 351208 363488 374847 383136 384208 398486 404976 419136 434712 443001 454064 470938 499796 507936 526812 539968 545232 576312 579616 590668 597729 624338 648384 670181 681096 702416 706407 726976 749694 766272 768416 796972 809952 869424 886002 908128 936507 941876 999592 1015872 1053624 1090464 1152624 1159232 1181336 1195458 1248676 1340362 1362192 1404832 1412814 1499388 1536832 1593944 1619904 1624337 1738848 1772004 1816256 1873014 1883752 1999184 2010543 2107248 2180928 2305248 2362672 2390916 2497352 2590159 2680724 2724384 2809664 2825628 2998776 3187888 3248674 3477696 3544008 3746028 3767504 3998368 4021086 4214496 4610496 4725344 4781832 4873011 4994704 5180318 5361448 5448768 5651256 5997552 6375776 6497348 7088016 7371991 7492056 7535008 7770477 7996736 8042172 8428992 8712353 9450688 9563664 9746022 9989408 10360636 10722896 11302512 11995104 12751552 12994696 14176032 14743982 14984112 15070016 15540954 16084344 17424706 19127328 19492044 19978816 20721272 21445792 22115973 22605024 23990208 25989392 26137059 28352064 29487964 29968224 31081908 32168688 34849412 38254656 38984088 41442544 42891584 44231946 45210048 51978784 52274118 58975928 59936448 62163816 64337376 69698824 77968176 82885088 88463892 95835883 103957568 104548236 117951856 124327632 128674752 139397648 155936352 165770176 176927784 191671766 209096472 235903712 248655264 278795296 287507649 311872704 353855568 383343532 418192944 471807424 497310528 557590592 575015298 707711136 766687064 836385888 1150030596 1415422272 1533374128 1672771776 2300061192 3066748256 4600122384 6133496512 9200244768 18400489536
• Sum of all divisors σ(n): 59931970560
• Sum of proper divisors (its aliquot sum) s(n): 41531481024
• 18400489536 is an abundant number, because the sum of its proper divisors (41531481024) is greater than itself. Its abundance is 23130991488

Bases of 18400489536

• Binary: 10001001000110000010011000001000000₂
• Hexadecimal: 0x448C13040
• Base-36: 8GB6CLC

Squares and roots of 18400489536

• 18400489536 squared (18400489536²) is 338578015164445495296
• 18400489536 cubed (18400489536³) is 6230001225153028655436385222656
• The square root of 18400489536 is 135648.4041041397
• The cube root of 18400489536 is 2640.0356560841

Scales and comparisons

• 18,400,489,536 seconds is equal to 585 years, 4 weeks, 15 hours, 5 minutes, 36 seconds.
• To count from 1 to 18,400,489,536 would take you about one thousand, one hundred seventy 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 18400489536 cubic inches would be around 220 feet tall.

Recreational maths with 18400489536

• 18400489536 backwards is 63598400481
• 18400489536 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18400489536's digits is 48
• More coming soon!