21125334001815

Names of 21125334001815

• Cardinal: 21125334001815 can be written as Twenty-one trillion, one hundred twenty-five billion, three hundred thirty-four million, one thousand, eight hundred fifteen.

Scientific notation

• Scientific notation: 2.1125334001815 × 10¹³

Factors of 21125334001815

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 14029

Divisors of 21125334001815

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 5 9 15 27 45 81 135 405 1823 3169 5469 9029 9115 9507 15845 16407 27087 27345 28521 45145 47535 49221 81261 82035 85563 135435 142605 147663 243783 246105 256689 406305 427815 731349 738315 1218915 1283445 3656745 5777087 16459867 17331261 28612901 28885435 49379601 51993783 82299335 85838703 86656305 143064505 148138803 155981349 246898005 257516109 259968915 429193515 444416409 467944047 740694015 772548327 779906745 1287580545 1333249227 2222082045 2317644981 2339720235 3862741635 6666246135 11588224905 52161318523 156483955569 260806592615 469451866707 782419777845 1408355600121 2347259333535 4225066800363 7041778000605 21125334001815
• Sum of all divisors σ(n): 37906044422400
• Sum of proper divisors (its aliquot sum) s(n): 16780710420585
• 21125334001815 is a deficient number, because the sum of its proper divisors (16780710420585) is less than itself. Its deficiency is 4344623581230

Bases of 21125334001815

• Binary: 100110011011010100000000001110110100010010111₂
• Hexadecimal: 0x1336A0076897
• Base-36: 7HKUEFAFR

Squares and roots of 21125334001815

• 21125334001815 squared (21125334001815²) is 446279736688240962423294225
• 21125334001815 cubed (21125334001815³) is 9427808495781141925762697230194429018375
• The square root of 21125334001815 is 4596230.4121763739
• The cube root of 21125334001815 is 27644.0197576323

Scales and comparisons

• 21,125,334,001,815 seconds is equal to 671,720 years, 14 weeks, 2 days, 13 hours, 50 minutes, 15 seconds.
• To count from 1 to 21,125,334,001,815 would take you about one million, six hundred seventy-nine thousand, three hundred 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 21125334001815 cubic inches would be around 2303.7 feet tall.

Recreational maths with 21125334001815

• 21125334001815 backwards is 51810043352112
• The number of decimal digits it has is: 14
• The sum of 21125334001815's digits is 36
• More coming soon!