1640137897843201

Names of 1640137897843201

• Cardinal: 1640137897843201 can be written as One quadrillion, six hundred forty trillion, one hundred thirty-seven billion, eight hundred ninety-seven million, eight hundred forty-three thousand, two hundred one.

Scientific notation

• Scientific notation: 1.640137897843201 × 10¹⁵

Factors of 1640137897843201

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 8261462

Divisors of 1640137897843201

• Number of divisors d(n): 24
• Complete list of divisors:
  1 23 43 529 989 8737 22747 200951 375691 4621873 8252659 8640893 189811157 198740539 354864337 4365656611 8161879751 72103481683 187723234273 1658380078709 3100449712369 38142741810307 71310343384487 1640137897843201
• Sum of all divisors σ(n): 1754622932622560
• Sum of proper divisors (its aliquot sum) s(n): 114485034779359
• 1640137897843201 is a deficient number, because the sum of its proper divisors (114485034779359) is less than itself. Its deficiency is 1525652863063842

Bases of 1640137897843201

• Binary: 101110100111011001001011100110010001001101000000001₂
• Hexadecimal: 0x5D3B25CC89A01
• Base-36: G5DOY59Q81

Squares and roots of 1640137897843201

• 1640137897843201 squared (1640137897843201²) is 2690052323941514439487581926401
• 1640137897843201 cubed (1640137897843201³) is 4412056763677653053376105295272913486620249601
• The square root of 1640137897843201 is 40498615.9991079325
• The cube root of 1640137897843201 is 117930.6759771145

Scales and comparisons

• 1,640,137,897,843,201 seconds is equal to 52,151,311 years, 45 weeks, 2 days, 8 hours, 1 second.
• To count from 1 to 1,640,137,897,843,201 would take you about one hundred fifty-six million, four hundred fifty-three thousand, nine hundred thirty-five 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 1640137897843201 cubic inches would be around 9827.6 feet tall.

Recreational maths with 1640137897843201

• 1640137897843201 backwards is 1023487987310461
• The number of decimal digits it has is: 16
• The sum of 1640137897843201's digits is 64
• More coming soon!