18138357382158

Names of 18138357382158

• Cardinal: 18138357382158 can be written as Eighteen trillion, one hundred thirty-eight billion, three hundred fifty-seven million, three hundred eighty-two thousand, one hundred fifty-eight.

Scientific notation

• Scientific notation: 1.8138357382158 × 10¹³

Factors of 18138357382158

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 38905

Divisors of 18138357382158

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 39 54 78 117 234 283 351 566 702 849 1698 2531 2547 3679 5062 5094 7358 7593 7641 11037 15186 15282 22074 22779 32903 33111 36073 45558 65806 66222 68337 72146 98709 99333 108219 136674 197418 198666 216438 296127 324657 468949 592254 649314 716273 888381 937898 973971 1406847 1432546 1776762 1947942 2148819 2813694 4220541 4297638 6446457 8441082 9311549 10208659 12661623 12892914 18623098 19339371 20417318 25323246 27934647 30625977 38678742 55869294 61251954 83803941 91300763 91877931 132712567 167607882 182601526 183755862 251411823 265425134 273902289 275633793 398137701 502823646 547804578 551267586 796275402 821706867 1186909919 1194413103 1643413734 2373819838 2388826206 2465120601 3560729757 3583239309 4930241202 7121459514 7166478618 10682189271 21364378542 25838115929 32046567813 51676231858 64093135626 77514347787 155028695574 232543043361 335895507077 465086086722 671791014154 697629130083 1007686521231 1395258260166 2015373042462 3023059563693 6046119127386 9069178691079 18138357382158
• Sum of all divisors σ(n): 43579839260160
• Sum of proper divisors (its aliquot sum) s(n): 25441481878002
• 18138357382158 is an abundant number, because the sum of its proper divisors (25441481878002) is greater than itself. Its abundance is 7303124495844

Bases of 18138357382158

• Binary: 100000111111100101010010110010011110000001110₂
• Hexadecimal: 0x107F2A593C0E
• Base-36: 6FGN9O07I

Squares and roots of 18138357382158

• 18138357382158 squared (18138357382158²) is 329000008522885614856736964
• 18138357382158 cubed (18138357382158³) is 5967519733321127209524919710549032688312
• The square root of 18138357382158 is 4258915.0475394553
• The cube root of 18138357382158 is 26274.3905762089

Scales and comparisons

• 18,138,357,382,158 seconds is equal to 576,743 years, 34 weeks, 1 day, 22 hours, 9 minutes, 18 seconds.
• To count from 1 to 18,138,357,382,158 would take you about one million, four hundred forty-one thousand, eight 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 18138357382158 cubic inches would be around 2189.5 feet tall.

Recreational maths with 18138357382158

• 18138357382158 backwards is 85128375383181
• The number of decimal digits it has is: 14
• The sum of 18138357382158's digits is 63
• More coming soon!