128427480
128,427,480 is an even composite number composed of five prime numbers multiplied together.
128427480 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 128427480:
23 × 32 × 5 × 532 × 127
(2 × 2 × 2 × 3 × 3 × 5 × 53 × 53 × 127)See below for interesting mathematical facts about the number 128427480 from the Numbermatics database.
Names of 128427480
- Cardinal: 128427480 can be written as One hundred twenty-eight million, four hundred twenty-seven thousand, four hundred eighty.
Scientific notation
- Scientific notation: 1.2842748 × 108
Factors of 128427480
Divisors of 128427480
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 53 60 72 90 106 120 127 159 180 212 254 265 318 360 381 424 477 508 530 635 636 762 795 954 1016 1060 1143 1270 1272 1524 1590 1905 1908 2120 2286 2385 2540 2809 3048 3180 3810 3816 4572 4770 5080 5618 5715 6360 6731 7620 8427 9144 9540 11236 11430 13462 14045 15240 16854 19080 20193 22472 22860 25281 26924 28090 33655 33708 40386 42135 45720 50562 53848 56180 60579 67310 67416 80772 84270 100965 101124 112360 121158 126405 134620 161544 168540 201930 202248 242316 252810 269240 302895 337080 356743 403860 484632 505620 605790 713486 807720 1011240 1070229 1211580 1426972 1783715 2140458 2423160 2853944 3210687 3567430 4280916 5351145 6421374 7134860 8561832 10702290 12842748 14269720 16053435 21404580 25685496 32106870 42809160 64213740 128427480
- Sum of all divisors σ(n): 428762880
- Sum of proper divisors (its aliquot sum) s(n): 300335400
- 128427480 is an abundant number, because the sum of its proper divisors (300335400) is greater than itself. Its abundance is 171907920
Bases of 128427480
- Binary: 1111010011110100101110110002
- Hexadecimal: 0x7A7A5D8
- Base-36: 24GNA0
Squares and roots of 128427480
- 128427480 squared (1284274802) is 16493617619150400
- 128427480 cubed (1284274803) is 2118233746911085612992000
-
The
square root of 128427480 is 11332.5848772467 -
The
cube root of 128427480 is 504.5288289007
Scales and comparisons
How big is 128427480?- 128,427,480 seconds is equal to 4 years, 4 weeks, 2 days, 10 hours, 18 minutes.
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To count from 1 to 128,427,480 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 128427480 cubic inches would be around 42 feet tall.
Recreational maths with 128427480
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