128440916825
128,440,916,825 is an odd composite number composed of five prime numbers multiplied together.
128440916825 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 128440916825:
52 × 132 × 53 × 181 × 3169
(5 × 5 × 13 × 13 × 53 × 181 × 3169)See below for interesting mathematical facts about the number 128440916825 from the Numbermatics database.
Names of 128440916825
- Cardinal: 128440916825 can be written as One hundred twenty-eight billion, four hundred forty million, nine hundred sixteen thousand, eight hundred twenty-five.
Scientific notation
- Scientific notation: 1.28440916825 × 1011
Factors of 128440916825
Divisors of 128440916825
- Number of divisors d(n): 72
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Complete list of divisors:
1 5 13 25 53 65 169 181 265 325 689 845 905 1325 2353 3169 3445 4225 4525 8957 9593 11765 15845 17225 30589 41197 44785 47965 58825 79225 124709 152945 167957 205985 223925 239825 535561 573589 623545 764725 839785 1029925 1621217 2183441 2677805 2867945 3117725 4198925 7456657 8106085 10917205 13389025 14339725 28384733 30400217 37283285 40530425 54586025 96936541 141923665 152001085 186416425 395202821 484682705 709618325 760005425 1976014105 2423413525 5137636673 9880070525 25688183365 128440916825
- Sum of all divisors σ(n): 176740953480
- Sum of proper divisors (its aliquot sum) s(n): 48300036655
- 128440916825 is a deficient number, because the sum of its proper divisors (48300036655) is less than itself. Its deficiency is 80140880170
Bases of 128440916825
- Binary: 11101111001111010110011011011010110012
- Hexadecimal: 0x1DE7ACDB59
- Base-36: 1N06ELP5
Squares and roots of 128440916825
- 128440916825 squared (1284409168252) is 16497069114846568080625
- 128440916825 cubed (1284409168253) is 2118898682036284423480255519015625
-
The
square root of 128440916825 is 358386.5466573767 -
The
cube root of 128440916825 is 5045.4642386089
Scales and comparisons
How big is 128440916825?- 128,440,916,825 seconds is equal to 4,084 years, 1 week, 1 day, 16 hours, 27 minutes, 5 seconds.
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To count from 1 to 128,440,916,825 would take you about eight thousand, one hundred sixty-eight 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 128440916825 cubic inches would be around 420.5 feet tall.
Recreational maths with 128440916825
- 128440916825 backwards is 528619044821
- The number of decimal digits it has is: 12
- The sum of 128440916825's digits is 50
- More coming soon!
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