21008177008
21,008,177,008 is an even composite number composed of six prime numbers multiplied together.
21008177008 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 21008177008:
24 × 7 × 13 × 43 × 307 × 1093
(2 × 2 × 2 × 2 × 7 × 13 × 43 × 307 × 1093)See below for interesting mathematical facts about the number 21008177008 from the Numbermatics database.
Names of 21008177008
- Cardinal: 21008177008 can be written as Twenty-one billion, eight million, one hundred seventy-seven thousand and eight.
Scientific notation
- Scientific notation: 2.1008177008 × 1010
Factors of 21008177008
Divisors of 21008177008
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 7 8 13 14 16 26 28 43 52 56 86 91 104 112 172 182 208 301 307 344 364 559 602 614 688 728 1093 1118 1204 1228 1456 2149 2186 2236 2408 2456 3913 3991 4298 4372 4472 4816 4912 7651 7826 7982 8596 8744 8944 13201 14209 15302 15652 15964 17192 17488 26402 27937 28418 30604 31304 31928 34384 46999 52804 55874 56836 61208 62608 63856 92407 93998 99463 105608 111748 113672 122416 171613 184814 187996 198926 211216 223496 227344 328993 335551 343226 369628 375992 397852 446992 610987 657986 671102 686452 739256 751984 795704 1201291 1221974 1315972 1342204 1372904 1478512 1591408 2348857 2402582 2443948 2631944 2684408 2745808 4276909 4362163 4697714 4805164 4887896 5263888 5368816 8553818 8724326 9395428 9610328 9775792 14428693 17107636 17448652 18790856 19220656 28857386 30535141 34215272 34897304 37581712 57714772 61070282 68430544 69794608 101000851 115429544 122140564 187573009 202001702 230859088 244281128 375146018 404003404 488562256 750292036 808006808 1313011063 1500584072 1616013616 2626022126 3001168144 5252044252 10504088504 21008177008
- Sum of all divisors σ(n): 51475483136
- Sum of proper divisors (its aliquot sum) s(n): 30467306128
- 21008177008 is an abundant number, because the sum of its proper divisors (30467306128) is greater than itself. Its abundance is 9459129120
Bases of 21008177008
- Binary: 100111001000010111101010111011100002
- Hexadecimal: 0x4E42F5770
- Base-36: 9NFQ54G
Squares and roots of 21008177008
- 21008177008 squared (210081770082) is 441343501199459832064
- 21008177008 cubed (210081770083) is 9271822394528712465986465984512
-
The
square root of 21008177008 is 144941.9780739867 -
The
cube root of 21008177008 is 2759.2822211047
Scales and comparisons
How big is 21008177008?- 21,008,177,008 seconds is equal to 667 years, 51 weeks, 5 days, 4 hours, 43 minutes, 28 seconds.
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To count from 1 to 21,008,177,008 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 21008177008 cubic inches would be around 229.9 feet tall.
Recreational maths with 21008177008
- 21008177008 backwards is 80077180012
- The number of decimal digits it has is: 11
- The sum of 21008177008's digits is 34
- More coming soon!
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The information we have on file for 21008177008 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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