21334633920

Names of 21334633920

• Cardinal: 21334633920 can be written as Twenty-one billion, three hundred thirty-four million, six hundred thirty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.133463392 × 10¹⁰

Factors of 21334633920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7407869

Divisors of 21334633920

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 7407859 14815718 22223577 29631436 37039295 44447154 59262872 66670731 74078590 88894308 111117885 118525744 133341462 148157180 177788616 222235770 237051488 266682924 296314360 333353655 355577232 444471540 474102976 533365848 592628720 666707310 711154464 888943080 1066731696 1185257440 1333414620 1422308928 1777886160 2133463392 2370514880 2666829240 3555772320 4266926784 5333658480 7111544640 10667316960 21334633920
• Sum of all divisors σ(n): 73382261160
• Sum of proper divisors (its aliquot sum) s(n): 52047627240
• 21334633920 is an abundant number, because the sum of its proper divisors (52047627240) is greater than itself. Its abundance is 30712993320

Bases of 21334633920

• Binary: 10011110111101001001010110111000000₂
• Hexadecimal: 0x4F7A4ADC0
• Base-36: 9SU38W0

Squares and roots of 21334633920

• 21334633920 squared (21334633920²) is 455166604500414566400
• 21334633920 cubed (21334633920³) is 9710812879625769262379532288000
• The square root of 21334633920 is 146063.8008542843
• The cube root of 21334633920 is 2773.5014572841

Scales and comparisons

• 21,334,633,920 seconds is equal to 678 years, 19 weeks, 3 days, 15 hours, 12 minutes.
• To count from 1 to 21,334,633,920 would take you about one thousand, three hundred fifty-six 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 21334633920 cubic inches would be around 231.1 feet tall.

Recreational maths with 21334633920

• 21334633920 backwards is 02933643312
• 21334633920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21334633920's digits is 36
• More coming soon!