18135931814

Names of 18135931814

• Cardinal: 18135931814 can be written as Eighteen billion, one hundred thirty-five million, nine hundred thirty-one thousand, eight hundred fourteen.

Scientific notation

• Scientific notation: 1.8135931814 × 10¹⁰

Factors of 18135931814

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 476

Divisors of 18135931814

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 7 11 13 14 22 26 77 91 121 143 154 169 182 242 286 338 443 847 886 1001 1183 1331 1573 1694 1859 2002 2197 2366 2662 3101 3146 3718 4394 4873 5759 6202 9317 9746 11011 11518 13013 15379 17303 18634 20449 22022 24167 26026 30758 34111 34606 40313 40898 48334 53603 63349 68222 74867 80626 107206 121121 126698 143143 149734 169169 224939 242242 265837 286286 338338 375221 443443 449878 524069 531674 589633 696839 750442 823537 886886 973271 1048138 1179266 1393678 1574573 1647074 1860859 1946542 2924207 3149146 3721718 4127431 4877873 5764759 5848414 6812897 7665229 8254862 9058907 9755746 10705981 11529518 13625794 15330458 18117814 20469449 21411962 40938898 53656603 63412349 74941867 99647977 107313206 117765791 126824698 149883734 199295954 235531582 697535839 824360537 1295423701 1395071678 1648721074 2590847402 9067965907 18135931814
• Sum of all divisors σ(n): 37128913920
• Sum of proper divisors (its aliquot sum) s(n): 18992982106
• 18135931814 is an abundant number, because the sum of its proper divisors (18992982106) is greater than itself. Its abundance is 857050292

Bases of 18135931814

• Binary: 10000111000111111000101101110100110₂
• Hexadecimal: 0x438FC5BA6
• Base-36: 8BXNYJQ

Squares and roots of 18135931814

• 18135931814 squared (18135931814²) is 328912022762057330596
• 18135931814 cubed (18135931814³) is 5965126017617487694047911981144
• The square root of 18135931814 is 134669.7137963841
• The cube root of 18135931814 is 2627.3219335161

Scales and comparisons

• 18,135,931,814 seconds is equal to 576 years, 34 weeks, 4 days, 14 hours, 50 minutes, 14 seconds.
• To count from 1 to 18,135,931,814 would take you about one thousand, one hundred fifty-three 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 18135931814 cubic inches would be around 218.9 feet tall.

Recreational maths with 18135931814

• 18135931814 backwards is 41813953181
• The number of decimal digits it has is: 11
• The sum of 18135931814's digits is 44
• More coming soon!