981628128
981,628,128 is an even composite number composed of four prime numbers multiplied together.
981628128 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 981628128:
25 × 32 × 13 × 262187
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 262187)See below for interesting mathematical facts about the number 981628128 from the Numbermatics database.
Names of 981628128
- Cardinal: 981628128 can be written as Nine hundred eighty-one million, six hundred twenty-eight thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 9.81628128 × 108
Factors of 981628128
Divisors of 981628128
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 144 156 208 234 288 312 416 468 624 936 1248 1872 3744 262187 524374 786561 1048748 1573122 2097496 2359683 3146244 3408431 4194992 4719366 6292488 6816862 8389984 9438732 10225293 12584976 13633724 18877464 20450586 25169952 27267448 30675879 37754928 40901172 54534896 61351758 75509856 81802344 109069792 122703516 163604688 245407032 327209376 490814064 981628128
- Sum of all divisors σ(n): 3006247608
- Sum of proper divisors (its aliquot sum) s(n): 2024619480
- 981628128 is an abundant number, because the sum of its proper divisors (2024619480) is greater than itself. Its abundance is 1042991352
Bases of 981628128
- Binary: 1110101000001001110100111000002
- Hexadecimal: 0x3A8274E0
- Base-36: G8FP40
Squares and roots of 981628128
- 981628128 squared (9816281282) is 963593781680784384
- 981628128 cubed (9816281283) is 945890760063749068437553152
-
The
square root of 981628128 is 31330.9452139573 -
The
cube root of 981628128 is 993.8381522845
Scales and comparisons
How big is 981628128?- 981,628,128 seconds is equal to 31 years, 11 weeks, 10 hours, 28 minutes, 48 seconds.
-
To count from 1 to 981,628,128 would take you about forty-six 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 981628128 cubic inches would be around 82.8 feet tall.
Recreational maths with 981628128
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