128397321325
128,397,321,325 is an odd composite number composed of six prime numbers multiplied together.
128397321325 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 128397321325:
52 × 7 × 13 × 31 × 97 × 1372
(5 × 5 × 7 × 13 × 31 × 97 × 137 × 137)See below for interesting mathematical facts about the number 128397321325 from the Numbermatics database.
Names of 128397321325
- Cardinal: 128397321325 can be written as One hundred twenty-eight billion, three hundred ninety-seven million, three hundred twenty-one thousand, three hundred twenty-five.
Scientific notation
- Scientific notation: 1.28397321325 × 1011
Factors of 128397321325
Divisors of 128397321325
- Number of divisors d(n): 144
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Complete list of divisors:
1 5 7 13 25 31 35 65 91 97 137 155 175 217 325 403 455 485 679 685 775 959 1085 1261 1781 2015 2275 2425 2821 3007 3395 3425 4247 4795 5425 6305 8827 8905 10075 12467 13289 14105 15035 16975 18769 21049 21235 23975 29729 31525 39091 44135 44525 55211 62335 66445 70525 75175 93023 93845 105245 106175 131383 148645 172757 195455 220675 243997 273637 276055 311675 332225 386477 411959 465115 469225 526225 581839 656915 743225 863785 977275 1209299 1219985 1368185 1380275 1707979 1820593 1932385 2059795 2325575 2883713 2909195 3284575 4072873 4318925 5355467 6046495 6099925 6840925 7563907 8539895 9102965 9661925 10298975 12744151 14418565 14545975 20364365 23667709 26777335 30232475 37488269 37819535 42699475 45514825 52947349 56438383 63720755 72092825 101821825 118338545 133886675 165673963 187441345 189097675 264736745 282191915 318603775 395068681 591692725 733698979 828369815 937206725 1323683725 1410959575 1975343405 3668494895 4141849075 5135892853 9876717025 18342474475 25679464265 128397321325
- Sum of all divisors σ(n): 205863046144
- Sum of proper divisors (its aliquot sum) s(n): 77465724819
- 128397321325 is a deficient number, because the sum of its proper divisors (77465724819) is less than itself. Its deficiency is 50931596506
Bases of 128397321325
- Binary: 11101111001010001001110100100011011012
- Hexadecimal: 0x1DE513A46D
- Base-36: 1MZGG771
Squares and roots of 128397321325
- 128397321325 squared (1283973213252) is 16485872123435299755625
- 128397321325 cubed (1283973213253) is 2116741820355582245570677101203125
-
The
square root of 128397321325 is 358325.7195974077 -
The
cube root of 128397321325 is 5044.8933290873
Scales and comparisons
How big is 128397321325?- 128,397,321,325 seconds is equal to 4,082 years, 33 weeks, 1 day, 2 hours, 35 minutes, 25 seconds.
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To count from 1 to 128,397,321,325 would take you about eight thousand, one hundred sixty-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 128397321325 cubic inches would be around 420.4 feet tall.
Recreational maths with 128397321325
- 128397321325 backwards is 523123793821
- The number of decimal digits it has is: 12
- The sum of 128397321325's digits is 46
- More coming soon!
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