21089427093

Names of 21089427093

• Cardinal: 21089427093 can be written as Twenty-one billion, eighty-nine million, four hundred twenty-seven thousand and ninety-three.

Scientific notation

• Scientific notation: 2.1089427093 × 10¹⁰

Factors of 21089427093

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1244

Divisors of 21089427093

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 19 21 57 61 63 133 171 183 367 399 427 549 787 1101 1159 1197 1281 2361 2569 3303 3477 3843 5509 6973 7083 7707 8113 10431 14953 16527 20919 22387 23121 24339 44859 48007 48811 49581 62757 67161 73017 104671 134577 144021 146433 156709 201483 288829 314013 336049 425353 432063 439299 470127 866487 912133 942039 1008147 1276059 1410381 2021803 2599461 2736399 2977471 3024441 3828177 5487751 6065409 6384931 8209197 8932413 16463253 17618569 18196227 19154793 26797239 38414257 49389759 52855707 57464379 115242771 123329983 158567121 334752811 345728313 369989949 1004258433 1109969847 2343269677 3012775299 7029809031 21089427093
• Sum of all divisors σ(n): 37396336640
• Sum of proper divisors (its aliquot sum) s(n): 16306909547
• 21089427093 is a deficient number, because the sum of its proper divisors (16306909547) is less than itself. Its deficiency is 4782517546

Bases of 21089427093

• Binary: 10011101001000001110001111010010101₂
• Hexadecimal: 0x4E9071E95
• Base-36: 9OS3M39

Squares and roots of 21089427093

• 21089427093 squared (21089427093²) is 444763935110962430649
• 21089427093 cubed (21089427093³) is 9379816583118425046234154173357
• The square root of 21089427093 is 145221.9924563771
• The cube root of 21089427093 is 2762.8348617449

Scales and comparisons

• 21,089,427,093 seconds is equal to 670 years, 30 weeks, 14 hours, 11 minutes, 33 seconds.
• To count from 1 to 21,089,427,093 would take you about one thousand, three hundred forty-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 21089427093 cubic inches would be around 230.2 feet tall.

Recreational maths with 21089427093

• 21089427093 backwards is 39072498012
• The number of decimal digits it has is: 11
• The sum of 21089427093's digits is 45
• More coming soon!