21392701616

Names of 21392701616

• Cardinal: 21392701616 can be written as Twenty-one billion, three hundred ninety-two million, seven hundred one thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 2.1392701616 × 10¹⁰

Factors of 21392701616

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 492148

Divisors of 21392701616

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 11 13 16 19 22 26 38 44 52 76 88 104 143 152 176 208 209 247 286 304 418 494 572 836 988 1144 1672 1976 2288 2717 3344 3952 5434 10868 21736 43472 492103 984206 1968412 3936824 5413133 6397339 7873648 9349957 10826266 12794678 18699914 21652532 25589356 37399828 43305064 51178712 70370729 74799656 86610128 102357424 102849527 121549441 140741458 149599312 205699054 243098882 281482916 411398108 486197764 562965832 822796216 972395528 1125931664 1337043851 1645592432 1944791056 2674087702 5348175404 10696350808 21392701616
• Sum of all divisors σ(n): 51257552640
• Sum of proper divisors (its aliquot sum) s(n): 29864851024
• 21392701616 is an abundant number, because the sum of its proper divisors (29864851024) is greater than itself. Its abundance is 8472149408

Bases of 21392701616

• Binary: 10011111011000110101011100010110000₂
• Hexadecimal: 0x4FB1AB8B0
• Base-36: 9TSNU7K

Squares and roots of 21392701616

• 21392701616 squared (21392701616²) is 457647682431209011456
• 21392701616 cubed (21392701616³) is 9790320315504779828208533712896
• The square root of 21392701616 is 146262.4408930741
• The cube root of 21392701616 is 2776.0154438039

Scales and comparisons

• 21,392,701,616 seconds is equal to 680 years, 11 weeks, 3 days, 17 hours, 6 minutes, 56 seconds.
• To count from 1 to 21,392,701,616 would take you about one thousand, three hundred sixty 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 21392701616 cubic inches would be around 231.3 feet tall.

Recreational maths with 21392701616

• 21392701616 backwards is 61610729312
• 21392701616 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21392701616's digits is 38
• More coming soon!