21136492188

Names of 21136492188

• Cardinal: 21136492188 can be written as Twenty-one billion, one hundred thirty-six million, four hundred ninety-two thousand, one hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1136492188 × 10¹⁰

Factors of 21136492188

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7342

Divisors of 21136492188

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 252 324 378 567 756 1134 1637 2268 3274 4911 5693 6548 9822 11386 11459 14733 17079 19644 22772 22918 29466 34158 34377 39851 44199 45836 51237 58932 68316 68754 79702 88398 102474 103131 119553 132597 137508 153711 159404 176796 204948 206262 239106 265194 307422 309393 358659 412524 461133 478212 530388 614844 618786 717318 922266 928179 1075977 1237572 1434636 1844532 1856358 2151954 3227931 3712716 4303908 6455862 9319441 12911724 18638882 27958323 37277764 55916646 65236087 83874969 111833292 130472174 167749938 195708261 251624907 260944348 335499876 391416522 503249814 587124783 754874721 782833044 1006499628 1174249566 1509749442 1761374349 2348499132 3019498884 3522748698 5284123047 7045497396 10568246094 21136492188
• Sum of all divisors σ(n): 63198207072
• Sum of proper divisors (its aliquot sum) s(n): 42061714884
• 21136492188 is an abundant number, because the sum of its proper divisors (42061714884) is greater than itself. Its abundance is 20925222696

Bases of 21136492188

• Binary: 10011101011110101010100011010011100₂
• Hexadecimal: 0x4EBD5469C
• Base-36: 9PK4DR0

Squares and roots of 21136492188

• 21136492188 squared (21136492188²) is 446751302013385027344
• 21136492188 cubed (21136492188³) is 9442755404984741301892622388672
• The square root of 21136492188 is 145383.9474907735
• The cube root of 21136492188 is 2764.8885997497

Scales and comparisons

• 21,136,492,188 seconds is equal to 672 years, 3 weeks, 6 days, 7 hours, 49 minutes, 48 seconds.
• To count from 1 to 21,136,492,188 would take you about one thousand, three hundred forty-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 21136492188 cubic inches would be around 230.4 feet tall.

Recreational maths with 21136492188

• 21136492188 backwards is 88129463112
• The number of decimal digits it has is: 11
• The sum of 21136492188's digits is 45
• More coming soon!