21039143328

Names of 21039143328

• Cardinal: 21039143328 can be written as Twenty-one billion, thirty-nine million, one hundred forty-three thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1039143328 × 10¹⁰

Factors of 21039143328

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1490881

Divisors of 21039143328

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 72 84 96 98 112 126 144 147 168 196 224 252 288 294 336 392 441 504 588 672 784 882 1008 1176 1568 1764 2016 2352 3528 4704 7056 14112 1490869 2981738 4472607 5963476 8945214 10436083 11926952 13417821 17890428 20872166 23853904 26835642 31308249 35780856 41744332 47707808 53671284 62616498 71561712 73052581 83488664 93924747 107342568 125232996 143123424 146105162 166977328 187849494 214685136 219157743 250465992 292210324 333954656 375698988 429370272 438315486 500931984 584420648 657473229 751397976 876630972 1001863968 1168841296 1314946458 1502795952 1753261944 2337682592 2629892916 3005591904 3506523888 5259785832 7013047776 10519571664 21039143328
• Sum of all divisors σ(n): 69598284210
• Sum of proper divisors (its aliquot sum) s(n): 48559140882
• 21039143328 is an abundant number, because the sum of its proper divisors (48559140882) is greater than itself. Its abundance is 27519997554

Bases of 21039143328

• Binary: 10011100110000001111101100110100000₂
• Hexadecimal: 0x4E607D9A0
• Base-36: 9NY5UW0

Squares and roots of 21039143328

• 21039143328 squared (21039143328²) is 442645551976126915584
• 21039143328 cubed (21039143328³) is 9312883211527407811290332823552
• The square root of 21039143328 is 145048.7618975081
• The cube root of 21039143328 is 2760.6372945489

Scales and comparisons

• 21,039,143,328 seconds is equal to 668 years, 50 weeks, 6 days, 14 hours, 28 minutes, 48 seconds.
• To count from 1 to 21,039,143,328 would take you about one thousand, three hundred thirty-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 21039143328 cubic inches would be around 230.1 feet tall.

Recreational maths with 21039143328

• 21039143328 backwards is 82334193012
• 21039143328 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21039143328's digits is 36
• More coming soon!