21018327587125
21,018,327,587,125 is an odd composite number composed of six prime numbers multiplied together.
21018327587125 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 21018327587125:
53 × 11 × 23 × 53 × 89 × 140897
(5 × 5 × 5 × 11 × 23 × 53 × 89 × 140897)See below for interesting mathematical facts about the number 21018327587125 from the Numbermatics database.
Names of 21018327587125
- Cardinal: 21018327587125 can be written as Twenty-one trillion, eighteen billion, three hundred twenty-seven million, five hundred eighty-seven thousand, one hundred twenty-five.
Scientific notation
- Scientific notation: 2.1018327587125 × 1013
Factors of 21018327587125
Divisors of 21018327587125
- Number of divisors d(n): 128
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Complete list of divisors:
1 5 11 23 25 53 55 89 115 125 253 265 275 445 575 583 979 1219 1265 1325 1375 2047 2225 2875 2915 4717 4895 6095 6325 6625 10235 11125 13409 14575 22517 23585 24475 30475 31625 51175 51887 67045 72875 108491 112585 117925 122375 140897 152375 255875 259435 335225 542455 562925 589625 704485 1193401 1297175 1549867 1676125 2712275 2814625 3240631 3522425 5967005 6485875 7467541 7749335 12539833 13561375 16203155 17612125 29835025 35646941 37337705 38746675 62699165 81015775 82142951 137938163 149175125 171753443 178234705 186688525 193733375 288416159 313495825 405078875 410714755 664611149 689690815 858767215 891173525 933442625 1442080795 1567479125 1889287873 2053573775 3172577749 3323055745 3448454075 4293836075 4455867625 7210403975 7310722639 9446439365 10267868875 15286056427 15862888745 16615278725 17242270375 21469180375 36052019875 36553613195 47232196825 76430282135 79314443725 83076393625 168146620697 182768065975 236160984125 382151410675 396572218625 840733103485 913840329875 1910757053375 4203665517425 21018327587125
- Sum of all divisors σ(n): 30765089571840
- Sum of proper divisors (its aliquot sum) s(n): 9746761984715
- 21018327587125 is a deficient number, because the sum of its proper divisors (9746761984715) is less than itself. Its deficiency is 11271565602410
Bases of 21018327587125
- Binary: 1001100011101101101011111001100011001001101012
- Hexadecimal: 0x131DB5F31935
- Base-36: 7G7OPKGFP
Squares and roots of 21018327587125
- 21018327587125 squared (210183275871252) is 441770094559699824465765625
- 21018327587125 cubed (210183275871253) is 9285268565650958700827821651072017578125
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The
square root of 21018327587125 is 4584574.9625374215 -
The
cube root of 21018327587125 is 27597.2655289603
Scales and comparisons
How big is 21018327587125?- 21,018,327,587,125 seconds is equal to 668,317 years, 41 weeks, 5 days, 9 hours, 45 minutes, 25 seconds.
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To count from 1 to 21,018,327,587,125 would take you about one million, six hundred seventy thousand, seven hundred ninety-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 21018327587125 cubic inches would be around 2299.8 feet tall.
Recreational maths with 21018327587125
- 21018327587125 backwards is 52178572381012
- The number of decimal digits it has is: 14
- The sum of 21018327587125's digits is 52
- More coming soon!
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