999139008

Names of 999139008

• Cardinal: 999139008 can be written as Nine hundred ninety-nine million, one hundred thirty-nine thousand and eight.

Scientific notation

• Scientific notation: 9.99139008 × 10⁸

Factors of 999139008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1814

Divisors of 999139008

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 61 64 84 96 98 112 122 147 168 183 192 196 224 244 294 336 366 392 427 448 488 588 672 732 784 854 976 1176 1281 1344 1464 1568 1708 1741 1952 2352 2562 2928 2989 3136 3416 3482 3904 4704 5124 5223 5856 5978 6832 6964 8967 9408 10248 10446 11712 11956 12187 13664 13928 17934 20496 20892 23912 24374 27328 27856 35868 36561 40992 41784 47824 48748 55712 71736 73122 81984 83568 85309 95648 97496 106201 111424 143472 146244 167136 170618 191296 194992 212402 255927 286944 292488 318603 334272 341236 389984 424804 511854 573888 584976 637206 682472 743407 779968 849608 1023708 1169952 1274412 1364944 1486814 1699216 2047416 2230221 2339904 2548824 2729888 2973628 3398432 4094832 4460442 5097648 5203849 5459776 5947256 6796864 8189664 8920884 10195296 10407698 11894512 15611547 16379328 17841768 20390592 20815396 23789024 31223094 35683536 41630792 47578048 62446188 71367072 83261584 124892376 142734144 166523168 249784752 333046336 499569504 999139008
• Sum of all divisors σ(n): 3127363824
• Sum of proper divisors (its aliquot sum) s(n): 2128224816
• 999139008 is an abundant number, because the sum of its proper divisors (2128224816) is greater than itself. Its abundance is 1129085808

Bases of 999139008

• Binary: 111011100011011010011011000000₂
• Hexadecimal: 0x3B8DA6C0
• Base-36: GIV0LC

Squares and roots of 999139008

• 999139008 squared (999139008²) is 998278757307224064
• 999139008 cubed (999139008³) is 997419247283412602538688512
• The square root of 999139008 is 31609.1601913117
• The cube root of 999139008 is 999.7129202599

Scales and comparisons

• 999,139,008 seconds is equal to 31 years, 40 weeks, 2 hours, 36 minutes, 48 seconds.
• To count from 1 to 999,139,008 would take you about forty-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 999139008 cubic inches would be around 83.3 feet tall.

Recreational maths with 999139008

• 999139008 backwards is 800931999
• 999139008 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 999139008's digits is 48
• More coming soon!