21125120232807118

Names of 21125120232807118

• Cardinal: 21125120232807118 can be written as Twenty-one quadrillion, one hundred twenty-five trillion, one hundred twenty billion, two hundred thirty-two million, eight hundred seven thousand, one hundred eighteen.

Scientific notation

• Scientific notation: 2.1125120232807118 × 10¹⁶

Factors of 21125120232807118

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 260363400

Divisors of 21125120232807118

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 11 22 1721 2143 3442 4286 18931 23573 37862 47146 3688103 7376206 40569133 81138266 260359523 520719046 2863954753 5727909506 448078739083 557950457789 896157478166 1115900915578 4928866129913 6137455035679 9857732259826 12274910071358 960232737854869 1920465475709738 10562560116403559 21125120232807118
• Sum of all divisors σ(n): 34604605119716352
• Sum of proper divisors (its aliquot sum) s(n): 13479484886909234
• 21125120232807118 is a deficient number, because the sum of its proper divisors (13479484886909234) is less than itself. Its deficiency is 7645635345897884

Bases of 21125120232807118

• Binary: 1001011000011010010111101010111010100000101101011001110₂
• Hexadecimal: 0x4B0D2F57505ACE
• Base-36: 5S08A9C67DA

Squares and roots of 21125120232807118

• 21125120232807118 squared (21125120232807118²) is 446270704850556663407474191465924
• 21125120232807118 cubed (21125120232807118³) is 9427522296347588225369218695210746585441961647032
• The square root of 21125120232807118 is 145344832.1503283381
• The cube root of 21125120232807118 is 276439.2651327441

Scales and comparisons

• 21,125,120,232,807,118 seconds is equal to 671,713,479 years, 6 weeks, 5 hours, 31 minutes, 58 seconds.
• To count from 1 to 21,125,120,232,807,118 would take you about two billion, fifteen million, one hundred forty thousand, four hundred thirty-seven 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 21125120232807118 cubic inches would be around 23036.6 feet tall.

Recreational maths with 21125120232807118

• 21125120232807118 backwards is 81170823202152112
• The number of decimal digits it has is: 17
• The sum of 21125120232807118's digits is 46
• More coming soon!