172722128994993361

Names of 172722128994993361

• Cardinal: 172722128994993361 can be written as One hundred seventy-two quadrillion, seven hundred twenty-two trillion, one hundred twenty-eight billion, nine hundred ninety-four million, nine hundred ninety-three thousand, three hundred sixty-one.

Scientific notation

• Scientific notation: 1.72722128994993361 × 10¹⁷

Factors of 172722128994993361

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 525529

Divisors of 172722128994993361

• Number of divisors d(n): 27
• Complete list of divisors:
  1 7 49 113 791 5537 12769 89383 525409 625681 3677863 25745041 59371217 415598519 2909189633 6708947521 46962632647 276054617281 328738428529 1932382320967 13526676246769 31194171752753 218359202269271 1528514415884897 3524941408061089 24674589856427623 172722128994993361
• Sum of all divisors σ(n): 202715848987424721
• Sum of proper divisors (its aliquot sum) s(n): 29993719992431360
• 172722128994993361 is a deficient number, because the sum of its proper divisors (29993719992431360) is less than itself. Its deficiency is 142728409002562001

Bases of 172722128994993361

• Binary: 1001100101101000011101110001110111100110001000010011010001₂
• Hexadecimal: 0x265A1DC779884D1
• Base-36: 1B8OVUNMEI1D

Squares and roots of 172722128994993361

• 172722128994993361 squared (172722128994993361²) is 29832933844563126305596204434076321
• 172722128994993361 cubed (172722128994993361³) is 5152807847799735520327871358049378436235789562304881
• 172722128994993361 is a perfect square number. Its square root is 415598519
• The cube root of 172722128994993361 is 556906.9795948593

Scales and comparisons

• 172,722,128,994,993,361 seconds is equal to 5,492,029,437 years, 21 weeks, 4 days, 19 hours, 56 minutes, 1 second.
• To count from 1 to 172,722,128,994,993,361 would take you about sixteen billion, four hundred seventy-six million, eighty-eight thousand, three hundred twelve 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 172722128994993361 cubic inches would be around 46408.9 feet tall.

Recreational maths with 172722128994993361

• 172722128994993361 backwards is 163399499821227271
• The number of decimal digits it has is: 18
• The sum of 172722128994993361's digits is 85
• More coming soon!