164643855878489

Names of 164643855878489

• Cardinal: 164643855878489 can be written as One hundred sixty-four trillion, six hundred forty-three billion, eight hundred fifty-five million, eight hundred seventy-eight thousand, four hundred eighty-nine.

Scientific notation

• Scientific notation: 1.64643855878489 × 10¹⁴

Factors of 164643855878489

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1787

Divisors of 164643855878489

• Number of divisors d(n): 36
• Complete list of divisors:
  1 13 169 173 1601 2197 2249 20813 28561 29237 270569 276973 371293 380081 2563201 3517397 3600649 4941053 33321613 45726161 46808437 64233689 433180969 443433773 594440093 608509681 5631352597 5764639049 7910625853 73207583761 74940307637 102838136089 951698588893 974223999281 12664911990653 164643855878489
• Sum of all divisors σ(n): 179507268762948
• Sum of proper divisors (its aliquot sum) s(n): 14863412884459
• 164643855878489 is a deficient number, because the sum of its proper divisors (14863412884459) is less than itself. Its deficiency is 149780442994030

Bases of 164643855878489

• Binary: 100101011011111000100010100010110100100101011001₂
• Hexadecimal: 0x95BE228B4959
• Base-36: 1MD0CCT7X5

Squares and roots of 164643855878489

• 164643855878489 squared (164643855878489²) is 27107599278536656841932923121
• 164643855878489 cubed (164643855878489³) is 4463099668827221723870351246472883154644169
• The square root of 164643855878489 is 12831362.1988660659
• The cube root of 164643855878489 is 54808.5748430331

Scales and comparisons

• 164,643,855,878,489 seconds is equal to 5,235,165 years, 17 weeks, 4 days, 18 hours, 41 minutes, 29 seconds.
• To count from 1 to 164,643,855,878,489 would take you about thirteen million, eighty-seven thousand, nine hundred thirteen 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 164643855878489 cubic inches would be around 4567.4 feet tall.

Recreational maths with 164643855878489

• 164643855878489 backwards is 984878558346461
• The number of decimal digits it has is: 15
• The sum of 164643855878489's digits is 86
• More coming soon!