18231123456

Names of 18231123456

• Cardinal: 18231123456 can be written as Eighteen billion, two hundred thirty-one million, one hundred twenty-three thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.8231123456 × 10¹⁰

Factors of 18231123456

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 6236

Divisors of 18231123456

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 32 36 39 42 48 49 52 56 63 64 72 78 84 91 96 98 104 112 117 126 128 144 147 156 168 182 192 196 208 224 234 252 256 273 288 294 312 336 364 384 392 416 441 448 468 504 512 546 576 588 624 637 672 728 768 784 819 832 882 896 936 1008 1092 1152 1176 1248 1274 1344 1456 1536 1568 1638 1664 1764 1792 1872 1911 2016 2184 2304 2352 2496 2548 2688 2912 3136 3276 3328 3528 3584 3744 3822 4032 4368 4608 4704 4992 5096 5376 5733 5824 6211 6272 6552 6656 7056 7488 7644 8064 8736 9408 9984 10192 10752 11466 11648 12422 12544 13104 14112 14976 15288 16128 17472 18633 18816 19968 20384 22932 23296 24844 25088 26208 28224 29952 30576 32256 34944 37266 37632 40768 43477 45864 46592 49688 52416 55899 56448 59904 61152 69888 74532 75264 80743 81536 86954 91728 99376 104832 111798 112896 122304 130431 139776 149064 161486 163072 173908 183456 198752 209664 223596 225792 242229 244608 260862 298128 304339 322972 326144 347816 366912 391293 397504 419328 447192 484458 489216 521724 565201 596256 608678 645944 695632 726687 733824 782586 795008 894384 913017 968916 978432 1043448 1130402 1192512 1217356 1291888 1391264 1453374 1467648 1565172 1590016 1695603 1788768 1826034 1937832 2086896 2260804 2385024 2434712 2583776 2739051 2782528 2906748 2935296 3130344 3180032 3391206 3577536 3652068 3875664 3956407 4173792 4521608 4770048 4869424 5086809 5167552 5478102 5565056 5813496 6260688 6782412 7155072 7304136 7751328 7912814 8347584 9043216 9540096 9738848 10173618 10335104 10956204 11130112 11626992 11869221 12521376 13564824 14310144 14608272 15502656 15825628 16695168 18086432 19477696 20347236 20670208 21912408 22260224 23253984 23738442 25042752 27129648 28620288 29216544 31005312 31651256 33390336 35607663 36172864 38955392 40694472 41340416 43824816 46507968 47476884 50085504 54259296 58433088 62010624 63302512 66780672 71215326 72345728 77910784 81388944 87649632 93015936 94953768 100171008 108518592 116866176 124021248 126605024 142430652 144691456 155821568 162777888 175299264 186031872 189907536 200342016 217037184 233732352 253210048 284861304 289382912 325555776 350598528 372063744 379815072 434074368 467464704 506420096 569722608 651111552 701197056 759630144 868148736 1012840192 1139445216 1302223104 1402394112 1519260288 2025680384 2278890432 2604446208 3038520576 4557780864 6077041152 9115561728 18231123456
• Sum of all divisors σ(n): 65925483624
• Sum of proper divisors (its aliquot sum) s(n): 47694360168
• 18231123456 is an abundant number, because the sum of its proper divisors (47694360168) is greater than itself. Its abundance is 29463236712

Bases of 18231123456

• Binary: 10000111110101010001101111000000000₂
• Hexadecimal: 0x43EA8DE00
• Base-36: 8DIC8W0

Squares and roots of 18231123456

• 18231123456 squared (18231123456²) is 332373862467913383936
• 18231123456 cubed (18231123456³) is 6059548920200093741251943202816
• The square root of 18231123456 is 135022.6775619563
• The cube root of 18231123456 is 2631.9106654455

Scales and comparisons

• 18,231,123,456 seconds is equal to 579 years, 36 weeks, 8 hours, 57 minutes, 36 seconds.
• To count from 1 to 18,231,123,456 would take you about one thousand, one hundred fifty-nine 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 18231123456 cubic inches would be around 219.3 feet tall.

Recreational maths with 18231123456

• 18231123456 backwards is 65432113281
• 18231123456 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18231123456's digits is 36
• More coming soon!