8005991994

Names of 8005991994

• Cardinal: 8005991994 can be written as Eight billion, five million, nine hundred ninety-one thousand, nine hundred ninety-four.

Scientific notation

• Scientific notation: 8.005991994 × 10⁹

Factors of 8005991994

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4076

Divisors of 8005991994

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 7 9 11 13 14 18 21 22 26 27 33 37 39 42 54 63 66 74 77 78 91 99 111 117 126 143 154 182 189 198 222 231 234 259 273 286 297 333 351 378 407 429 462 481 518 546 594 666 693 702 777 814 819 858 962 999 1001 1221 1287 1386 1443 1554 1638 1998 2002 2079 2331 2442 2457 2574 2849 2886 3003 3367 3663 3861 4003 4158 4329 4662 4914 5291 5698 6006 6734 6993 7326 7722 8006 8547 8658 9009 10101 10582 10989 12009 12987 13986 15873 17094 18018 20202 21978 24018 25641 25974 27027 28021 30303 31746 36027 37037 44033 47619 51282 52039 54054 56042 60606 72054 74074 76923 84063 88066 90909 95238 104078 108081 111111 132099 142857 148111 153846 156117 168126 181818 216162 222222 252189 264198 285714 296222 308231 312234 333333 364273 396297 444333 468351 504378 572429 616462 666666 728546 756567 792594 888666 924693 936702 999999 1036777 1092819 1144858 1188891 1332999 1405053 1513134 1629221 1717287 1849386 1925443 1999998 2073554 2185638 2377782 2665998 2774079 2810106 3110331 3258442 3278457 3434574 3850886 3998997 4007003 4887663 5151861 5548158 5776329 6220662 6556914 7997994 8014006 8322237 9330993 9775326 9835371 10303722 11404547 11552658 12021009 13478101 14662989 15455583 16644474 17328987 18661986 19670742 21179873 22809094 24042018 26956202 27992979 29325978 30911166 34213641 34657974 36063027 40434303 42359746 43988967 51986961 55985958 63539619 68427282 72126054 80868606 87977934 102640923 103973922 108189081 121302909 127079238 148259111 190618857 205281846 216378162 242605818 296518222 307922769 363908727 381237714 444777333 571856571 615845538 727817454 889554666 1143713142 1334331999 2668663998 4002995997 8005991994
• Sum of all divisors σ(n): 24539074560
• Sum of proper divisors (its aliquot sum) s(n): 16533082566
• 8005991994 is an abundant number, because the sum of its proper divisors (16533082566) is greater than itself. Its abundance is 8527090572

Bases of 8005991994

• Binary: 111011101001100011011111000111010₂
• Hexadecimal: 0x1DD31BE3A
• Base-36: 3OEK6YI

Squares and roots of 8005991994

• 8005991994 squared (8005991994²) is 64095907807992096036
• 8005991994 cubed (8005991994³) is 513151324758946810079495135784
• The square root of 8005991994 is 89476.2090949319
• The cube root of 8005991994 is 2000.4992082185

Scales and comparisons

• 8,005,991,994 seconds is equal to 254 years, 29 weeks, 2 days, 22 hours, 39 minutes, 54 seconds.
• To count from 1 to 8,005,991,994 would take you about five hundred nine 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 8005991994 cubic inches would be around 166.7 feet tall.

Recreational maths with 8005991994

• 8005991994 backwards is 4991995008
• 8005991994 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 8005991994's digits is 54
• More coming soon!