18993199862

Names of 18993199862

• Cardinal: 18993199862 can be written as Eighteen billion, nine hundred ninety-three million, one hundred ninety-nine thousand, eight hundred sixty-two.

Scientific notation

• Scientific notation: 1.8993199862 × 10¹⁰

Factors of 18993199862

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 679

Divisors of 18993199862

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 7 13 14 19 26 37 38 74 91 133 169 182 247 259 266 338 361 481 494 518 601 703 722 962 1183 1202 1406 1729 2366 2527 3211 3367 3458 4207 4693 4921 5054 6253 6422 6734 7813 8414 9139 9386 9842 11419 12506 13357 15626 18278 22237 22477 22838 26714 32851 43771 44474 44954 54691 61009 63973 65702 79933 87542 93499 101569 109382 118807 122018 127946 148447 155659 159866 173641 186998 203138 216961 237614 289081 296894 311318 347282 422503 427063 433922 578162 710983 831649 845006 854126 1039129 1215487 1421966 1518727 1663298 1929811 2023567 2078258 2257333 2430974 2820493 2957521 3037454 3758053 3859622 4047134 4514666 5492539 5640986 5915042 7516106 8027557 10985078 13508677 15801331 16055114 19743451 26306371 27017354 31602662 36666409 38447773 39486902 52612742 56192899 71403007 73332818 76895546 104358241 112385798 142806014 208716482 256664863 499821049 513329726 730507687 999642098 1356657133 1461015374 2713314266 9496599931 18993199862
• Sum of all divisors σ(n): 38279600352
• Sum of proper divisors (its aliquot sum) s(n): 19286400490
• 18993199862 is an abundant number, because the sum of its proper divisors (19286400490) is greater than itself. Its abundance is 293200628

Bases of 18993199862

• Binary: 10001101100000101010011101011110110₂
• Hexadecimal: 0x46C153AF6
• Base-36: 8Q426T2

Squares and roots of 18993199862

• 18993199862 squared (18993199862²) is 360741640997876819044
• 18993199862 cubed (18993199862³) is 6851638086018527541759499771928
• The square root of 18993199862 is 137815.8186203601
• The cube root of 18993199862 is 2668.0832686403

Scales and comparisons

• 18,993,199,862 seconds is equal to 603 years, 48 weeks, 16 hours, 51 minutes, 2 seconds.
• To count from 1 to 18,993,199,862 would take you about one thousand, two hundred 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 18993199862 cubic inches would be around 222.3 feet tall.

Recreational maths with 18993199862

• 18993199862 backwards is 26899139981
• The number of decimal digits it has is: 11
• The sum of 18993199862's digits is 65
• More coming soon!