21344819428664001

Names of 21344819428664001

• Cardinal: 21344819428664001 can be written as Twenty-one quadrillion, three hundred forty-four trillion, eight hundred nineteen billion, four hundred twenty-eight million, six hundred sixty-four thousand and one.

Scientific notation

• Scientific notation: 2.1344819428664001 × 10¹⁶

Factors of 21344819428664001

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1268690

Divisors of 21344819428664001

• Number of divisors d(n): 24
• Complete list of divisors:
  1 3 9 13229 39687 119061 164299 492897 1091159 1478691 3273477 9820431 2173511471 6520534413 14434942411 19561603239 43304827233 129914481699 179276332541 537828997623 1613486992869 2371646603184889 7114939809554667 21344819428664001
• Sum of all divisors σ(n): 30833952360120000
• Sum of proper divisors (its aliquot sum) s(n): 9489132931455999
• 21344819428664001 is a deficient number, because the sum of its proper divisors (9489132931455999) is less than itself. Its deficiency is 11855686497208002

Bases of 21344819428664001

• Binary: 1001011110101010000000000001011110101110010001011000001₂
• Hexadecimal: 0x4BD5000BD722C1
• Base-36: 5U63UOCX4U9

Squares and roots of 21344819428664001

• 21344819428664001 squared (21344819428664001²) is 455601316442272210074463753328001
• 21344819428664001 cubed (21344819428664001³) is 9724727830921907439780896438478969407876973992001
• The square root of 21344819428664001 is 146098663.3363358359
• The cube root of 21344819428664001 is 277394.2758953771

Scales and comparisons

• 21,344,819,428,664,001 seconds is equal to 678,699,233 years, 50 weeks, 3 days, 2 hours, 13 minutes, 21 seconds.
• To count from 1 to 21,344,819,428,664,001 would take you about two billion, thirty-six million, ninety-seven thousand, seven hundred 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 21344819428664001 cubic inches would be around 23116.2 feet tall.

Recreational maths with 21344819428664001

• 21344819428664001 backwards is 10046682491844312
• The number of decimal digits it has is: 17
• The sum of 21344819428664001's digits is 63
• More coming soon!