21118011491125

Names of 21118011491125

• Cardinal: 21118011491125 can be written as Twenty-one trillion, one hundred eighteen billion, eleven million, four hundred ninety-one thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 2.1118011491125 × 10¹³

Factors of 21118011491125

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5565

Divisors of 21118011491125

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 25 107 125 433 535 881 2165 2675 4139 4405 10825 13375 20695 22025 46331 54125 94267 103475 110125 231655 381473 442873 471335 517375 1158275 1792187 1907365 2214365 2356675 3646459 5791375 8960935 9536825 11071825 11783375 18232295 40817611 44804675 47684125 55359125 91161475 191764009 204088055 224023375 390171113 455807375 958820045 1020440275 1578916747 1950855565 4794100225 5102201375 7894583735 9754277825 23970501125 39472918675 48771389125 168944091929 197364593375 844720459645 4223602298225 21118011491125
• Sum of all divisors σ(n): 26699738607360
• Sum of proper divisors (its aliquot sum) s(n): 5581727116235
• 21118011491125 is a deficient number, because the sum of its proper divisors (5581727116235) is less than itself. Its deficiency is 15536284374890

Bases of 21118011491125

• Binary: 100110011010011101011100100101100001100110101₂
• Hexadecimal: 0x1334EB92C335
• Base-36: 7HHHASH11

Squares and roots of 21118011491125

• 21118011491125 squared (21118011491125²) is 445970409339287545953765625
• 21118011491125 cubed (21118011491125³) is 9418008229128794414372223966715017578125
• The square root of 21118011491125 is 4595433.7652853839
• The cube root of 21118011491125 is 27640.8253777965

Scales and comparisons

• 21,118,011,491,125 seconds is equal to 671,487 years, 23 weeks, 7 hours, 5 minutes, 25 seconds.
• To count from 1 to 21,118,011,491,125 would take you about one million, six hundred seventy-eight thousand, seven hundred eighteen 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 21118011491125 cubic inches would be around 2303.4 feet tall.

Recreational maths with 21118011491125

• 21118011491125 backwards is 52119411081112
• The number of decimal digits it has is: 14
• The sum of 21118011491125's digits is 37
• More coming soon!