21820030428672001

Names of 21820030428672001

• Cardinal: 21820030428672001 can be written as Twenty-one quadrillion, eight hundred twenty trillion, thirty billion, four hundred twenty-eight million, six hundred seventy-two thousand and one.

Scientific notation

• Scientific notation: 2.1820030428672001 × 10¹⁶

Factors of 21820030428672001

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 9191711

Divisors of 21820030428672001

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3923 651587 8536201 2556175801 33487516523 5562077600987 21820030428672001
• Sum of all divisors σ(n): 21825628559157024
• Sum of proper divisors (its aliquot sum) s(n): 5598130485023
• 21820030428672001 is a deficient number, because the sum of its proper divisors (5598130485023) is less than itself. Its deficiency is 21814432298186978

Bases of 21820030428672001

• Binary: 1001101100001010011001110111010101100000111000000000001₂
• Hexadecimal: 0x4D8533BAB07001
• Base-36: 5YUJZLGQO01

Squares and roots of 21820030428672001

• 21820030428672001 squared (21820030428672001²) is 476113727908172027719744441344001
• 21820030428672001 cubed (21820030428672001³) is 10388816030464775335971302677309659019590038016001
• The square root of 21820030428672001 is 147716046.6187475551
• The cube root of 21820030428672001 is 279437.7767286659

Scales and comparisons

• 21,820,030,428,672,001 seconds is equal to 693,809,473 years, 44 weeks, 1 second.
• To count from 1 to 21,820,030,428,672,001 would take you about two billion, eighty-one million, four hundred twenty-eight thousand, four hundred twenty-one 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 21820030428672001 cubic inches would be around 23286.5 feet tall.

Recreational maths with 21820030428672001

• 21820030428672001 backwards is 10027682403002812
• The number of decimal digits it has is: 17
• The sum of 21820030428672001's digits is 46
• More coming soon!