18879669718

Names of 18879669718

• Cardinal: 18879669718 can be written as Eighteen billion, eight hundred seventy-nine million, six hundred sixty-nine thousand, seven hundred eighteen.

Scientific notation

• Scientific notation: 1.8879669718 × 10¹⁰

Factors of 18879669718

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 220

Divisors of 18879669718

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 7 13 14 26 49 59 91 98 118 139 169 182 278 338 413 637 767 826 973 1183 1274 1534 1807 1946 2366 2891 3614 5369 5782 6811 8201 8281 9971 10738 12649 13622 16402 16562 19321 19942 23491 25298 37583 38642 46982 57407 69797 75166 88543 106613 114814 135247 139594 164437 177086 213226 251173 270494 328874 401849 488579 502346 746291 803698 946729 977158 1139939 1151059 1385969 1492582 1758211 1893458 2279878 2302118 2771938 3265249 3516422 5224037 6530498 7979573 9701783 10448074 12307477 14819207 15959146 19403566 22856743 24614954 29638414 45713486 55857011 67912481 103734449 111714022 135824962 159997201 192649691 207468898 319994402 385299382 726141143 1348547837 1452282286 2697095674 9439834859 18879669718
• Sum of all divisors σ(n): 36539584380
• Sum of proper divisors (its aliquot sum) s(n): 17659914662
• 18879669718 is a deficient number, because the sum of its proper divisors (17659914662) is less than itself. Its deficiency is 1219755056

Bases of 18879669718

• Binary: 10001100101010100001110010111010110₂
• Hexadecimal: 0x46550E5D6
• Base-36: 8O8GUDY

Squares and roots of 18879669718

• 18879669718 squared (18879669718²) is 356441928660766199524
• 18879669718 cubed (18879669718³) is 6729505886762183911831208814232
• The square root of 18879669718 is 137403.3104331915
• The cube root of 18879669718 is 2662.7565652765

Scales and comparisons

• 18,879,669,718 seconds is equal to 600 years, 16 weeks, 2 days, 16 hours, 41 minutes, 58 seconds.
• To count from 1 to 18,879,669,718 would take you about one thousand, two hundred 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 18879669718 cubic inches would be around 221.9 feet tall.

Recreational maths with 18879669718

• 18879669718 backwards is 81796697881
• The number of decimal digits it has is: 11
• The sum of 18879669718's digits is 70
• More coming soon!