18131122688

Names of 18131122688

• Cardinal: 18131122688 can be written as Eighteen billion, one hundred thirty-one million, one hundred twenty-two thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 1.8131122688 × 10¹⁰

Factors of 18131122688

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 52

Divisors of 18131122688

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 43 49 56 64 86 98 112 128 172 196 224 256 301 343 344 392 448 512 602 686 688 784 896 1204 1372 1376 1568 1792 2107 2401 2408 2744 2752 3136 3584 4214 4802 4816 5488 5504 6272 8428 9604 9632 10976 11008 12544 14749 16807 16856 19208 19264 21952 22016 25088 29498 33614 33712 38416 38528 43904 58996 67228 67424 76832 77056 87808 103243 117649 117992 134456 134848 153664 154112 175616 206486 235298 235984 268912 269696 307328 412972 470596 471968 537824 539392 614656 722701 823543 825944 941192 943936 1075648 1078784 1229312 1445402 1647086 1651888 1882384 1887872 2151296 2890804 3294172 3303776 3764768 3775744 4302592 5058907 5781608 6588344 6607552 7529536 7551488 8605184 10117814 11563216 13176688 13215104 15059072 20235628 23126432 26353376 26430208 30118144 35412349 40471256 46252864 52706752 52860416 60236288 70824698 80942512 92505728 105413504 141649396 161885024 185011456 210827008 283298792 323770048 370022912 421654016 566597584 647540096 1133195168 1295080192 2266390336 2590160384 4532780672 9065561344 18131122688
• Sum of all divisors σ(n): 43247529600
• Sum of proper divisors (its aliquot sum) s(n): 25116406912
• 18131122688 is an abundant number, because the sum of its proper divisors (25116406912) is greater than itself. Its abundance is 6985284224

Bases of 18131122688

• Binary: 10000111000101100101111101000000000₂
• Hexadecimal: 0x438B2FA00
• Base-36: 8BUSVSW

Squares and roots of 18131122688

• 18131122688 squared (18131122688²) is 328737609927308345344
• 18131122688 cubed (18131122688³) is 5960381937751914371038337564672
• The square root of 18131122688 is 134651.8573507251
• The cube root of 18131122688 is 2627.0896829883

Scales and comparisons

• 18,131,122,688 seconds is equal to 576 years, 26 weeks, 4 days, 22 hours, 58 minutes, 8 seconds.
• To count from 1 to 18,131,122,688 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 18131122688 cubic inches would be around 218.9 feet tall.

Recreational maths with 18131122688

• 18131122688 backwards is 88622113181
• The number of decimal digits it has is: 11
• The sum of 18131122688's digits is 41
• More coming soon!