27990785144
27,990,785,144 is an even composite number composed of four prime numbers multiplied together.
27990785144 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 27990785144:
23 × 7 × 792 × 2832
(2 × 2 × 2 × 7 × 79 × 79 × 283 × 283)See below for interesting mathematical facts about the number 27990785144 from the Numbermatics database.
Names of 27990785144
- Cardinal: 27990785144 can be written as Twenty-seven billion, nine hundred ninety million, seven hundred eighty-five thousand, one hundred forty-four.
Scientific notation
- Scientific notation: 2.7990785144 × 1010
Factors of 27990785144
Divisors of 27990785144
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 7 8 14 28 56 79 158 283 316 553 566 632 1106 1132 1981 2212 2264 3962 4424 6241 7924 12482 15848 22357 24964 43687 44714 49928 80089 87374 89428 156499 160178 174748 178856 312998 320356 349496 560623 625996 640712 1121246 1251992 1766203 2242492 3532406 4484984 6327031 7064812 12363421 12654062 14129624 24726842 25308124 44289217 49453684 50616248 88578434 98907368 177156868 354313736 499835449 999670898 1999341796 3498848143 3998683592 6997696286 13995392572 27990785144
- Sum of all divisors σ(n): 60964527960
- Sum of proper divisors (its aliquot sum) s(n): 32973742816
- 27990785144 is an abundant number, because the sum of its proper divisors (32973742816) is greater than itself. Its abundance is 4982957672
Bases of 27990785144
- Binary: 110100001000110000101111100011110002
- Hexadecimal: 0x684617C78
- Base-36: CUWZO1K
Squares and roots of 27990785144
- 27990785144 squared (279907851442) is 783484052977571100736
- 27990785144 cubed (279907851443) is 21930333790645506131684956265984
-
The
square root of 27990785144 is 167304.4683922101 -
The
cube root of 27990785144 is 3036.2558194913
Scales and comparisons
How big is 27990785144?- 27,990,785,144 seconds is equal to 890 years, 1 week, 10 hours, 5 minutes, 44 seconds.
-
To count from 1 to 27,990,785,144 would take you about one thousand, seven hundred eighty 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 27990785144 cubic inches would be around 253 feet tall.
Recreational maths with 27990785144
- 27990785144 backwards is 44158709972
- 27990785144 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 27990785144's digits is 56
- More coming soon!
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