1640896125

Names of 1640896125

• Cardinal: 1640896125 can be written as One billion, six hundred forty million, eight hundred ninety-six thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.640896125 × 10⁹

Factors of 1640896125

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 91

Divisors of 1640896125

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 11 15 25 29 33 43 55 75 87 121 125 129 145 165 215 275 319 363 375 435 473 605 645 725 825 841 957 1075 1247 1375 1419 1595 1815 2175 2365 2523 3025 3225 3509 3625 3741 4125 4205 4785 5203 5375 6235 7095 7975 9075 9251 10527 10875 11825 12615 13717 15125 15609 16125 17545 18705 21025 23925 26015 27753 31175 35475 36163 39875 41151 45375 46255 52635 59125 63075 68585 78045 87725 93525 101761 105125 108489 119625 130075 138765 150887 155875 177375 180815 205755 231275 263175 305283 315375 342925 390225 397793 438625 452661 467625 508805 542445 650375 693825 754435 904075 1028775 1156375 1193379 1315875 1526415 1714625 1951125 1988965 2263305 2544025 2712225 3469125 3772175 4375723 4520375 5143875 5966895 7632075 9944825 11316525 12720125 13127169 13561125 18860875 21878615 29834475 38160375 49724125 56582625 65635845 109393075 149172375 328179225 546965375 1640896125
• Sum of all divisors σ(n): 3180585408
• Sum of proper divisors (its aliquot sum) s(n): 1539689283
• 1640896125 is a deficient number, because the sum of its proper divisors (1539689283) is less than itself. Its deficiency is 101206842

Bases of 1640896125

• Binary: 1100001110011100001011001111101₂
• Hexadecimal: 0x61CE167D
• Base-36: R4Y3JX

Squares and roots of 1640896125

• 1640896125 squared (1640896125²) is 2692540093040015625
• 1640896125 cubed (1640896125³) is 4418178605076501109001953125
• The square root of 1640896125 is 40507.9760664489
• The cube root of 1640896125 is 1179.4884608863

Scales and comparisons

• 1,640,896,125 seconds is equal to 52 years, 9 weeks, 20 hours, 28 minutes, 45 seconds.
• To count from 1 to 1,640,896,125 would take you about one hundred four 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 1640896125 cubic inches would be around 98.3 feet tall.

Recreational maths with 1640896125

• 1640896125 backwards is 5216980461
• The number of decimal digits it has is: 10
• The sum of 1640896125's digits is 42
• More coming soon!