21378147948324

Names of 21378147948324

• Cardinal: 21378147948324 can be written as Twenty-one trillion, three hundred seventy-eight billion, one hundred forty-seven million, nine hundred forty-eight thousand, three hundred twenty-four.

Scientific notation

• Scientific notation: 2.1378147948324 × 10¹³

Factors of 21378147948324

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 94204

Divisors of 21378147948324

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 283 566 849 1132 1698 2547 3396 5094 10188 36629 57287 73258 109887 114574 146516 171861 219774 229148 329661 343722 439548 515583 659322 687444 1031166 1318644 2062332 10366007 16212221 20732014 31098021 32424442 41464028 48636663 62196042 64848884 93294063 97273326 124392084 145909989 186588126 194546652 291819978 373176252 583639956 2098365523 4196731046 6295096569 8393462092 12590193138 18885289707 25180386276 37770579414 75541158828 593837443009 1187674886018 1781512329027 2375349772036 3563024658054 5344536987081 7126049316108 10689073974162 21378147948324
• Sum of all divisors σ(n): 54232585767360
• Sum of proper divisors (its aliquot sum) s(n): 32854437819036
• 21378147948324 is an abundant number, because the sum of its proper divisors (32854437819036) is greater than itself. Its abundance is 11476289870712

Bases of 21378147948324

• Binary: 100110111000101111100111010100001011100100100₂
• Hexadecimal: 0x13717CEA1724
• Base-36: 7KSZHBK10

Squares and roots of 21378147948324

• 21378147948324 squared (21378147948324²) is 457025209700429650574408976
• 21378147948324 cubed (21378147948324³) is 9770352549089585997088597478373289756224
• The square root of 21378147948324 is 4623650.9327936943
• The cube root of 21378147948324 is 27753.8578402241

Scales and comparisons

• 21,378,147,948,324 seconds is equal to 679,758 years, 50 weeks, 5 days, 22 hours, 5 minutes, 24 seconds.
• To count from 1 to 21,378,147,948,324 would take you about one million, six hundred ninety-nine thousand, three hundred ninety-seven 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 21378147948324 cubic inches would be around 2312.8 feet tall.

Recreational maths with 21378147948324

• 21378147948324 backwards is 42384974187312
• The number of decimal digits it has is: 14
• The sum of 21378147948324's digits is 63
• More coming soon!