990555530143565808

Names of 990555530143565808

• Cardinal: 990555530143565808 can be written as Nine hundred ninety quadrillion, five hundred fifty-five trillion, five hundred thirty billion, one hundred forty-three million, five hundred sixty-five thousand, eight hundred eight.

Scientific notation

• Scientific notation: 9.90555530143565808 × 10¹⁷

Factors of 990555530143565808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 44959855217141

Divisors of 990555530143565808

• Number of divisors d(n): 100
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 34 36 48 51 54 68 72 81 102 108 136 144 153 162 204 216 272 306 324 408 432 459 612 648 816 918 1224 1296 1377 1836 2448 2754 3672 5508 7344 11016 22032 44959855217119 89919710434238 134879565651357 179839420868476 269759131302714 359678841736952 404638696954071 539518262605428 719357683473904 764317538691023 809277393908142 1079036525210856 1213916090862213 1528635077382046 1618554787816284 2158073050421712 2292952616073069 2427832181724426 3057270154764092 3237109575632568 3641748272586639 4585905232146138 4855664363448852 6114540309528184 6474219151265136 6878857848219207 7283496545173278 9171810464292276 9711328726897704 12229080619056368 13757715696438414 14566993090346556 18343620928584552 19422657453795408 20636573544657621 27515431392876828 29133986180693112 36687241857169104 41273147089315242 55030862785753656 58267972361386224 61909720633972863 82546294178630484 110061725571507312 123819441267945726 165092588357260968 247638882535891452 330185176714521936 495277765071782904 990555530143565808
• Sum of all divisors σ(n): 3035599504549508160
• Sum of proper divisors (its aliquot sum) s(n): 2045043974405942352
• 990555530143565808 is an abundant number, because the sum of its proper divisors (2045043974405942352) is greater than itself. Its abundance is 1054488444262376544

Bases of 990555530143565808

• Binary: 110110111111001010010000000110101000100000011000011111110000₂
• Hexadecimal: 0xDBF2901A88187F0
• Base-36: 7IXEMOFXLB00

Squares and roots of 990555530143565808

• 990555530143565808 squared (990555530143565808²) is 981200258298000710087247621226692864
• 990555530143565808 cubed (990555530143565808³) is 971933342035379799213211090413695455284226032187994112
• The square root of 990555530143565808 is 995266562.3558172207
• The cube root of 990555530143565808 is 996841.8801596647

Scales and comparisons

• 990,555,530,143,565,808 seconds is equal to 31,496,601,869 years, 7 weeks, 8 hours, 16 minutes, 48 seconds.
• To count from 1 to 990,555,530,143,565,808 would take you about ninety-four billion, four hundred eighty-nine million, eight hundred five thousand, six 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 990555530143565808 cubic inches would be around 83070.2 feet tall.

Recreational maths with 990555530143565808

• 990555530143565808 backwards is 808565341035555099
• 990555530143565808 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 990555530143565808's digits is 81
• More coming soon!