1999475808

Names of 1999475808

• Cardinal: 1999475808 can be written as One billion, nine hundred ninety-nine million, four hundred seventy-five thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.999475808 × 10⁹

Factors of 1999475808

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1037

Divisors of 1999475808

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 17 22 24 32 33 34 44 48 51 66 68 88 96 102 127 132 136 176 187 204 254 264 272 352 374 381 408 508 528 544 561 748 762 816 877 1016 1056 1122 1397 1496 1524 1632 1754 2032 2159 2244 2631 2794 2992 3048 3508 4064 4191 4318 4488 5262 5588 5984 6096 6477 7016 8382 8636 8976 9647 10524 11176 12192 12954 14032 14909 16764 17272 17952 19294 21048 22352 23749 25908 28064 28941 29818 33528 34544 38588 42096 44704 44727 47498 51816 57882 59636 67056 69088 71247 77176 84192 89454 94996 103632 111379 115764 119272 134112 142494 154352 163999 178908 189992 207264 222758 231528 238544 284988 308704 327998 334137 357816 379984 445516 463056 477088 491997 569976 655996 668274 715632 759968 891032 926112 983994 1139952 1225169 1311992 1336548 1431264 1782064 1893443 1967988 2279904 2450338 2623984 2673096 3564128 3675507 3786886 3935976 4900676 5247968 5346192 5680329 7351014 7573772 7871952 9801352 10692384 11360658 14702028 15147544 15743904 19602704 20827873 22721316 29404056 30295088 39205408 41655746 45442632 58808112 60590176 62483619 83311492 90885264 117616224 124967238 166622984 181770528 249934476 333245968 499868952 666491936 999737904 1999475808
• Sum of all divisors σ(n): 6117285888
• Sum of proper divisors (its aliquot sum) s(n): 4117810080
• 1999475808 is an abundant number, because the sum of its proper divisors (4117810080) is greater than itself. Its abundance is 2118334272

Bases of 1999475808

• Binary: 1110111001011011001010001100000₂
• Hexadecimal: 0x772D9460
• Base-36: X2FPEO

Squares and roots of 1999475808

• 1999475808 squared (1999475808²) is 3997903506777252864
• 1999475808 cubed (1999475808³) is 7993711344519481146266714112
• The square root of 1999475808 is 44715.4985212063
• The cube root of 1999475808 is 1259.8109668543

Scales and comparisons

• 1,999,475,808 seconds is equal to 63 years, 30 weeks, 1 hour, 56 minutes, 48 seconds.
• To count from 1 to 1,999,475,808 would take you about one hundred twenty-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 1999475808 cubic inches would be around 105 feet tall.

Recreational maths with 1999475808

• 1999475808 backwards is 8085749991
• The number of decimal digits it has is: 10
• The sum of 1999475808's digits is 60
• More coming soon!