2640139502

Names of 2640139502

• Cardinal: 2640139502 can be written as Two billion, six hundred forty million, one hundred thirty-nine thousand, five hundred two.

Scientific notation

• Scientific notation: 2.640139502 × 10⁹

Factors of 2640139502

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8247

Divisors of 2640139502

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 7 11 13 14 22 23 26 46 49 77 91 98 143 154 161 182 253 286 299 322 506 539 598 637 1001 1078 1127 1274 1771 2002 2093 2254 3289 3542 4186 6578 7007 8191 12397 14014 14651 16382 23023 24794 29302 46046 57337 90101 106483 114674 161161 180202 188393 212966 322322 376786 401359 630707 745381 802718 1171313 1261414 1318751 1490762 2072323 2342626 2449109 2637502 4144646 4414949 4898218 5217667 8199191 8829898 9231257 10435334 14506261 16398382 17143763 18462514 26940199 29012522 34287526 53880398 57394337 101543827 114788674 120006341 188581393 203087654 240012682 377162786 1320069751 2640139502
• Sum of all divisors σ(n): 5648154624
• Sum of proper divisors (its aliquot sum) s(n): 3008015122
• 2640139502 is an abundant number, because the sum of its proper divisors (3008015122) is greater than itself. Its abundance is 367875620

Bases of 2640139502

• Binary: 10011101010111010101010011101110₂
• Hexadecimal: 0x9D5D54EE
• Base-36: 17NVCOE

Squares and roots of 2640139502

• 2640139502 squared (2640139502²) is 6970336590020808004
• 2640139502 cubed (2640139502³) is 18402660973549914213318174008
• The square root of 2640139502 is 51382.2878237239
• The cube root of 2640139502 is 1382.1089894589

Scales and comparisons

• 2,640,139,502 seconds is equal to 83 years, 49 weeks, 2 days, 4 hours, 5 minutes, 2 seconds.
• To count from 1 to 2,640,139,502 would take you about one hundred sixty-seven 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 2640139502 cubic inches would be around 115.2 feet tall.

Recreational maths with 2640139502

• 2640139502 backwards is 2059310462
• The number of decimal digits it has is: 10
• The sum of 2640139502's digits is 32
• More coming soon!