21357440604

Names of 21357440604

• Cardinal: 21357440604 can be written as Twenty-one billion, three hundred fifty-seven million, four hundred forty thousand, six hundred four.

Scientific notation

• Scientific notation: 2.1357440604 × 10¹⁰

Factors of 21357440604

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 14322

Divisors of 21357440604

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 151 283 302 453 566 604 849 906 1132 1359 1698 1812 2547 2718 3396 5094 5436 10188 13883 27766 41649 42733 55532 83298 85466 124947 128199 166596 170932 249894 256398 384597 499788 512796 769194 1538388 2096333 3928889 4192666 6288999 7857778 8385332 11786667 12577998 15715556 18866997 23573334 25155996 35360001 37733994 47146668 70720002 75467988 141440004 593262239 1186524478 1779786717 2373048956 3559573434 5339360151 7119146868 10678720302 21357440604
• Sum of all divisors σ(n): 54540350592
• Sum of proper divisors (its aliquot sum) s(n): 33182909988
• 21357440604 is an abundant number, because the sum of its proper divisors (33182909988) is greater than itself. Its abundance is 11825469384

Bases of 21357440604

• Binary: 10011111001000000001010111001011100₂
• Hexadecimal: 0x4F900AE5C
• Base-36: 9T7O2N0

Squares and roots of 21357440604

• 21357440604 squared (21357440604²) is 456140269153387884816
• 21357440604 cubed (21357440604³) is 9741988705536055115330913468864
• The square root of 21357440604 is 146141.8509667919
• The cube root of 21357440604 is 2774.4893946339

Scales and comparisons

• 21,357,440,604 seconds is equal to 679 years, 5 weeks, 1 day, 14 hours, 23 minutes, 24 seconds.
• To count from 1 to 21,357,440,604 would take you about one thousand, three hundred fifty-eight 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 21357440604 cubic inches would be around 231.2 feet tall.

Recreational maths with 21357440604

• 21357440604 backwards is 40604475312
• 21357440604 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21357440604's digits is 36
• More coming soon!