128500064
128,500,064 is an even composite number composed of four prime numbers multiplied together.
128500064 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 128500064:
25 × 7 × 113 × 431
(2 × 2 × 2 × 2 × 2 × 7 × 11 × 11 × 11 × 431)See below for interesting mathematical facts about the number 128500064 from the Numbermatics database.
Names of 128500064
- Cardinal: 128500064 can be written as One hundred twenty-eight million, five hundred thousand and sixty-four.
Scientific notation
- Scientific notation: 1.28500064 × 108
Factors of 128500064
Divisors of 128500064
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 4 7 8 11 14 16 22 28 32 44 56 77 88 112 121 154 176 224 242 308 352 431 484 616 847 862 968 1232 1331 1694 1724 1936 2464 2662 3017 3388 3448 3872 4741 5324 6034 6776 6896 9317 9482 10648 12068 13552 13792 18634 18964 21296 24136 27104 33187 37268 37928 42592 48272 52151 66374 74536 75856 96544 104302 132748 149072 151712 208604 265496 298144 365057 417208 530992 573661 730114 834416 1061984 1147322 1460228 1668832 2294644 2920456 4015627 4589288 5840912 8031254 9178576 11681824 16062508 18357152 32125016 64250032 128500064
- Sum of all divisors σ(n): 318753792
- Sum of proper divisors (its aliquot sum) s(n): 190253728
- 128500064 is an abundant number, because the sum of its proper divisors (190253728) is greater than itself. Its abundance is 61753664
Bases of 128500064
- Binary: 1111010100011000001011000002
- Hexadecimal: 0x7A8C160
- Base-36: 24I7A8
Squares and roots of 128500064
- 128500064 squared (1285000642) is 16512266448004096
- 128500064 cubed (1285000643) is 2121827295353579008262144
-
The
square root of 128500064 is 11335.7868716733 -
The
cube root of 128500064 is 504.6238600255
Scales and comparisons
How big is 128500064?- 128,500,064 seconds is equal to 4 years, 4 weeks, 3 days, 6 hours, 27 minutes, 44 seconds.
-
To count from 1 to 128,500,064 would take you about 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 128500064 cubic inches would be around 42.1 feet tall.
Recreational maths with 128500064
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