21381233767137

Names of 21381233767137

• Cardinal: 21381233767137 can be written as Twenty-one trillion, three hundred eighty-one billion, two hundred thirty-three million, seven hundred sixty-seven thousand, one hundred thirty-seven.

Scientific notation

• Scientific notation: 2.1381233767137 × 10¹³

Factors of 21381233767137

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 373

Divisors of 21381233767137

• Number of divisors d(n): 50
• Complete list of divisors:
  1 3 9 17 27 51 81 153 353 459 1059 1377 3177 6001 9531 18003 28593 54009 124609 162027 373827 486081 1121481 2118353 3364443 6355059 10093329 19065177 43986977 57195531 131960931 171586593 395882793 747778609 1187648379 2243335827 3562945137 6730007481 15527402881 20190022443 46582208643 60570067329 139746625929 263965848977 419239877787 791897546931 1257719633361 2375692640793 7127077922379 21381233767137
• Sum of all divisors σ(n): 33914759280138
• Sum of proper divisors (its aliquot sum) s(n): 12533525513001
• 21381233767137 is a deficient number, because the sum of its proper divisors (12533525513001) is less than itself. Its deficiency is 8847708254136

Bases of 21381233767137

• Binary: 100110111001000110100110101111111001011100001₂
• Hexadecimal: 0x137234D7F2E1
• Base-36: 7KUEIJD29

Squares and roots of 21381233767137

• 21381233767137 squared (21381233767137²) is 457157157404959468341176769
• 21381233767137 cubed (21381233767137³) is 9774584050795284008327215657021500040353
• The square root of 21381233767137 is 4623984.6201233193
• The cube root of 21381233767137 is 27755.1931485409

Scales and comparisons

• 21,381,233,767,137 seconds is equal to 679,857 years, 5 weeks, 9 hours, 58 minutes, 57 seconds.
• To count from 1 to 21,381,233,767,137 would take you about one million, six hundred ninety-nine thousand, six hundred forty-two 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 21381233767137 cubic inches would be around 2312.9 feet tall.

Recreational maths with 21381233767137

• 21381233767137 backwards is 73176733218312
• The number of decimal digits it has is: 14
• The sum of 21381233767137's digits is 54
• More coming soon!