28999425
28,999,425 is an odd composite number composed of five prime numbers multiplied together.
28999425 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 28999425:
3 × 52 × 72 × 13 × 607
(3 × 5 × 5 × 7 × 7 × 13 × 607)See below for interesting mathematical facts about the number 28999425 from the Numbermatics database.
Names of 28999425
- Cardinal: 28999425 can be written as Twenty-eight million, nine hundred ninety-nine thousand, four hundred twenty-five.
Scientific notation
- Scientific notation: 2.8999425 × 107
Factors of 28999425
Divisors of 28999425
- Number of divisors d(n): 72
-
Complete list of divisors:
1 3 5 7 13 15 21 25 35 39 49 65 75 91 105 147 175 195 245 273 325 455 525 607 637 735 975 1225 1365 1821 1911 2275 3035 3185 3675 4249 6825 7891 9105 9555 12747 15175 15925 21245 23673 29743 39455 45525 47775 55237 63735 89229 106225 118365 148715 165711 197275 276185 318675 386659 446145 591825 743575 828555 1159977 1380925 1933295 2230725 4142775 5799885 9666475 28999425
- Sum of all divisors σ(n): 60162816
- Sum of proper divisors (its aliquot sum) s(n): 31163391
- 28999425 is an abundant number, because the sum of its proper divisors (31163391) is greater than itself. Its abundance is 2163966
Bases of 28999425
- Binary: 11011101001111111000000012
- Hexadecimal: 0x1BA7F01
- Base-36: H9K3L
Squares and roots of 28999425
- 28999425 squared (289994252) is 840966650330625
- 28999425 cubed (289994253) is 24387549303764184890625
-
The
square root of 28999425 is 5385.1114194601 -
The
cube root of 28999425 is 307.2296520009
Scales and comparisons
How big is 28999425?- 28,999,425 seconds is equal to 47 weeks, 6 days, 15 hours, 23 minutes, 45 seconds.
-
To count from 1 to 28,999,425 would take you about nineteen weeks!
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 28999425 cubic inches would be around 25.6 feet tall.
Recreational maths with 28999425
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The information we have on file for 28999425 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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