21004827136

Names of 21004827136

• Cardinal: 21004827136 can be written as Twenty-one billion, four million, eight hundred twenty-seven thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 2.1004827136 × 10¹⁰

Factors of 21004827136

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 438

Divisors of 21004827136

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 8 16 29 32 43 58 64 86 116 128 167 172 197 232 256 334 344 394 464 512 668 688 788 928 1247 1336 1376 1576 1856 2494 2672 2752 3152 3712 4843 4988 5344 5504 5713 6304 7181 7424 8471 9686 9976 10688 11008 11426 12608 14362 14848 16942 19372 19952 21376 22016 22852 25216 28724 32899 33884 38744 39904 42752 45704 50432 57448 65798 67768 77488 79808 85504 91408 100864 114896 131596 135536 154976 159616 182816 208249 229792 245659 263192 271072 309952 319232 365632 416498 459584 491318 526384 542144 619904 638464 731264 832996 919168 954071 982636 1052768 1084288 1239808 1414657 1462528 1665992 1838336 1908142 1965272 2105536 2168576 2479616 2829314 2925056 3331984 3676672 3816284 3930544 4211072 4337152 5658628 6663968 7632568 7861088 8422144 11317256 13327936 15265136 15722176 16844288 22634512 26655872 30530272 31444352 41025053 45269024 53311744 61060544 62888704 82050106 90538048 106623488 122121088 125777408 164100212 181076096 244242176 328200424 362152192 488484352 656400848 724304384 1312801696 2625603392 5251206784 10502413568 21004827136
• Sum of all divisors σ(n): 44918375040
• Sum of proper divisors (its aliquot sum) s(n): 23913547904
• 21004827136 is an abundant number, because the sum of its proper divisors (23913547904) is greater than itself. Its abundance is 2908720768

Bases of 21004827136

• Binary: 10011100011111111000011101000000000₂
• Hexadecimal: 0x4E3FC3A00
• Base-36: 9NDQCCG

Squares and roots of 21004827136

• 21004827136 squared (21004827136²) is 441202763013241962496
• 21004827136 cubed (21004827136³) is 9267387769018721901169875091456
• The square root of 21004827136 is 144930.4217064173
• The cube root of 21004827136 is 2759.1355522847

Scales and comparisons

• 21,004,827,136 seconds is equal to 667 years, 46 weeks, 1 day, 10 hours, 12 minutes, 16 seconds.
• To count from 1 to 21,004,827,136 would take you about one thousand, three hundred thirty-five 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 21004827136 cubic inches would be around 229.9 feet tall.

Recreational maths with 21004827136

• 21004827136 backwards is 63172840012
• The number of decimal digits it has is: 11
• The sum of 21004827136's digits is 34
• More coming soon!