21446351616

Names of 21446351616

• Cardinal: 21446351616 can be written as Twenty-one billion, four hundred forty-six million, three hundred fifty-one thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 2.1446351616 × 10¹⁰

Factors of 21446351616

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 99663

Divisors of 21446351616

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 281 384 562 768 843 1124 1686 2248 3372 4496 6744 8992 13488 17984 26976 35968 53952 71936 99377 107904 198754 215808 298131 397508 596262 795016 1192524 1590032 2385048 3180064 4770096 6360128 9540192 12720256 19080384 25440512 27924937 38160768 55849874 76321536 83774811 111699748 167549622 223399496 335099244 446798992 670198488 893597984 1340396976 1787195968 2680793952 3574391936 5361587904 7148783872 10723175808 21446351616
• Sum of all divisors σ(n): 57282274224
• Sum of proper divisors (its aliquot sum) s(n): 35835922608
• 21446351616 is an abundant number, because the sum of its proper divisors (35835922608) is greater than itself. Its abundance is 14389570992

Bases of 21446351616

• Binary: 10011111110010011010101101100000000₂
• Hexadecimal: 0x4FE4D5B00
• Base-36: 9UOLQTC

Squares and roots of 21446351616

• 21446351616 squared (21446351616²) is 459945997637105811456
• 21446351616 cubed (21446351616³) is 9864163589697276401082376912896
• The square root of 21446351616 is 146445.7292514877
• The cube root of 21446351616 is 2778.3341302255

Scales and comparisons

• 21,446,351,616 seconds is equal to 681 years, 48 weeks, 1 day, 15 hours, 53 minutes, 36 seconds.
• To count from 1 to 21,446,351,616 would take you about one thousand, three hundred sixty-three 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 21446351616 cubic inches would be around 231.5 feet tall.

Recreational maths with 21446351616

• 21446351616 backwards is 61615364412
• The number of decimal digits it has is: 11
• The sum of 21446351616's digits is 39
• More coming soon!