128960013
128,960,013 is an odd composite number composed of five prime numbers multiplied together.
128960013 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 128960013:
3 × 72 × 132 × 29 × 179
(3 × 7 × 7 × 13 × 13 × 29 × 179)See below for interesting mathematical facts about the number 128960013 from the Numbermatics database.
Names of 128960013
- Cardinal: 128960013 can be written as One hundred twenty-eight million, nine hundred sixty thousand and thirteen.
Scientific notation
- Scientific notation: 1.28960013 × 108
Factors of 128960013
Divisors of 128960013
- Number of divisors d(n): 72
-
Complete list of divisors:
1 3 7 13 21 29 39 49 87 91 147 169 179 203 273 377 507 537 609 637 1131 1183 1253 1421 1911 2327 2639 3549 3759 4263 4901 5191 6981 7917 8281 8771 14703 15573 16289 18473 24843 26313 30251 34307 36337 48867 55419 67483 90753 102921 109011 114023 202449 211757 240149 254359 342069 472381 635271 720447 763077 877279 1417143 1482299 2631837 3306667 4446897 6140953 9920001 18422859 42986671 128960013
- Sum of all divisors σ(n): 225309600
- Sum of proper divisors (its aliquot sum) s(n): 96349587
- 128960013 is a deficient number, because the sum of its proper divisors (96349587) is less than itself. Its deficiency is 32610426
Bases of 128960013
- Binary: 1111010111111000110000011012
- Hexadecimal: 0x7AFC60D
- Base-36: 24S26L
Squares and roots of 128960013
- 128960013 squared (1289600132) is 16630684952960169
- 128960013 cubed (1289600133) is 2144693347732647782722197
-
The
square root of 128960013 is 11356.0562256447 -
The
cube root of 128960013 is 505.2252212407
Scales and comparisons
How big is 128960013?- 128,960,013 seconds is equal to 4 years, 5 weeks, 1 day, 14 hours, 13 minutes, 33 seconds.
-
To count from 1 to 128,960,013 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 128960013 cubic inches would be around 42.1 feet tall.
Recreational maths with 128960013
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