18164338808

Names of 18164338808

• Cardinal: 18164338808 can be written as Eighteen billion, one hundred sixty-four million, three hundred thirty-eight thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.8164338808 × 10¹⁰

Factors of 18164338808

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1706

Divisors of 18164338808

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 11 14 19 22 28 38 44 49 56 76 77 88 98 133 152 154 196 209 266 308 343 361 392 418 532 539 616 686 722 836 931 1064 1078 1372 1444 1463 1667 1672 1862 2156 2527 2744 2888 2926 3334 3724 3773 3971 4312 5054 5852 6517 6668 7448 7546 7942 10108 10241 11669 11704 13034 13336 15092 15884 17689 18337 20216 20482 23338 26068 27797 30184 31673 31768 35378 36674 40964 46676 52136 55594 63346 70756 71687 73348 81683 81928 93352 111188 123823 126692 128359 141512 143374 146696 163366 194579 221711 222376 247646 253384 256718 286748 326732 348403 389158 443422 495292 513436 571781 573496 601787 653464 696806 778316 886844 898513 990584 1026872 1143562 1203574 1362053 1393612 1551977 1556632 1773688 1797026 2287124 2407148 2438821 2724106 2787224 3103954 3594052 4212509 4574248 4814296 4877642 5448212 6207908 6289591 6619657 7188104 8425018 9755284 10863839 10896424 12415816 12579182 13239314 16850036 17071747 19510568 21727678 25158364 26478628 29487563 33700072 34143494 43455356 46337599 50316728 52957256 58975126 68286988 86910712 92675198 117950252 119502229 136573976 185350396 206412941 235900504 239004458 324363193 370700792 412825882 478008916 648726386 825651764 956017832 1297452772 1651303528 2270542351 2594905544 4541084702 9082169404 18164338808
• Sum of all divisors σ(n): 45756576000
• Sum of proper divisors (its aliquot sum) s(n): 27592237192
• 18164338808 is an abundant number, because the sum of its proper divisors (27592237192) is greater than itself. Its abundance is 9427898384

Bases of 18164338808

• Binary: 10000111010101011011101000001111000₂
• Hexadecimal: 0x43AADD078
• Base-36: 8CEKTIW

Squares and roots of 18164338808

• 18164338808 squared (18164338808²) is 329943204331814860864
• 18164338808 cubed (18164338808³) is 5993200150880258386263075610112
• The square root of 18164338808 is 134775.1416545351
• The cube root of 18164338808 is 2628.6929757381

Scales and comparisons

• 18,164,338,808 seconds is equal to 577 years, 29 weeks, 4 days, 9 hours, 40 minutes, 8 seconds.
• To count from 1 to 18,164,338,808 would take you about one thousand, one hundred fifty-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 18164338808 cubic inches would be around 219.1 feet tall.

Recreational maths with 18164338808

• 18164338808 backwards is 80883346181
• The number of decimal digits it has is: 11
• The sum of 18164338808's digits is 50
• More coming soon!