21612742144

Names of 21612742144

• Cardinal: 21612742144 can be written as Twenty-one billion, six hundred twelve million, seven hundred forty-two thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1612742144 × 10¹⁰

Factors of 21612742144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 700

Divisors of 21612742144

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 103 112 127 128 206 224 254 256 412 448 461 508 512 721 824 889 896 922 1016 1442 1648 1778 1792 1844 2032 2884 3227 3296 3556 3584 3688 4064 5768 6454 6592 7112 7376 8128 11536 12908 13081 13184 14224 14752 16256 23072 25816 26162 26368 28448 29504 32512 46144 47483 51632 52324 52736 56896 58547 59008 65024 91567 92288 94966 103264 104648 113792 117094 118016 183134 184576 189932 206528 209296 227584 234188 236032 332381 366268 369152 379864 409829 413056 418592 455168 468376 664762 732536 759728 819658 826112 837184 936752 1329524 1465072 1519456 1639316 1652224 1674368 1873504 2659048 2930144 3038912 3278632 3348736 3747008 5318096 5860288 6030341 6077824 6557264 6697472 7494016 10636192 11720576 12060682 12155648 13114528 14988032 21272384 23441152 24121364 24311296 26229056 29976064 42212387 42544768 46882304 48242728 52458112 84424774 85089536 96485456 104916224 168849548 170179072 192970912 209832448 337699096 385941824 675398192 771883648 1350796384 1543767296 2701592768 3087534592 5403185536 10806371072 21612742144
• Sum of all divisors σ(n): 50332778496
• Sum of proper divisors (its aliquot sum) s(n): 28720036352
• 21612742144 is an abundant number, because the sum of its proper divisors (28720036352) is greater than itself. Its abundance is 7107294208

Bases of 21612742144

• Binary: 10100001000001110000100011000000000₂
• Hexadecimal: 0x508384600
• Base-36: 9XFO2KG

Squares and roots of 21612742144

• 21612742144 squared (21612742144²) is 467110622983033716736
• 21612742144 cubed (21612742144³) is 10095541447255507806673105321984
• The square root of 21612742144 is 147012.7278299399
• The cube root of 21612742144 is 2785.5008202341

Scales and comparisons

• 21,612,742,144 seconds is equal to 687 years, 11 weeks, 2 days, 11 hours, 29 minutes, 4 seconds.
• To count from 1 to 21,612,742,144 would take you about one thousand, three hundred seventy-four 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 21612742144 cubic inches would be around 232.1 feet tall.

Recreational maths with 21612742144

• 21612742144 backwards is 44124721612
• The number of decimal digits it has is: 11
• The sum of 21612742144's digits is 34
• More coming soon!