18007698744

Names of 18007698744

• Cardinal: 18007698744 can be written as Eighteen billion, seven million, six hundred ninety-eight thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 1.8007698744 × 10¹⁰

Factors of 18007698744

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4548

Divisors of 18007698744

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 49 56 63 72 84 98 126 147 168 196 252 294 392 441 504 588 882 1176 1764 2069 2467 3528 4138 4934 6207 7401 8276 9868 12414 14483 14802 16552 17269 18621 19736 22203 24828 28966 29604 34538 37242 43449 44406 49656 51807 57932 59208 69076 74484 86898 88812 101381 103614 115864 120883 130347 138152 148968 155421 173796 177624 202762 207228 241766 260694 304143 310842 347592 362649 405524 414456 483532 521388 608286 621684 725298 811048 912429 967064 1042776 1087947 1216572 1243368 1450596 1824858 2175894 2433144 2901192 3649716 4351788 5104223 7299432 8703576 10208446 15312669 20416892 30625338 35729561 40833784 45938007 61250676 71459122 91876014 107188683 122501352 142918244 183752028 214377366 250106927 285836488 321566049 367504056 428754732 500213854 643132098 750320781 857509464 1000427708 1286264196 1500641562 2000855416 2250962343 2572528392 3001283124 4501924686 6002566248 9003849372 18007698744
• Sum of all divisors σ(n): 56783867400
• Sum of proper divisors (its aliquot sum) s(n): 38776168656
• 18007698744 is an abundant number, because the sum of its proper divisors (38776168656) is greater than itself. Its abundance is 20768469912

Bases of 18007698744

• Binary: 10000110001010101111010110100111000₂
• Hexadecimal: 0x43157AD38
• Base-36: 89TBHA0

Squares and roots of 18007698744

• 18007698744 squared (18007698744²) is 324277214054659177536
• 18007698744 cubed (18007698744³) is 5839486380239905218663100214784
• The square root of 18007698744 is 134192.7671076203
• The cube root of 18007698744 is 2621.1149783059

Scales and comparisons

• 18,007,698,744 seconds is equal to 572 years, 30 weeks, 4 days, 10 hours, 32 minutes, 24 seconds.
• To count from 1 to 18,007,698,744 would take you about one thousand, one hundred forty-five 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 18007698744 cubic inches would be around 218.4 feet tall.

Recreational maths with 18007698744

• 18007698744 backwards is 44789670081
• The number of decimal digits it has is: 11
• The sum of 18007698744's digits is 54
• More coming soon!