428811690
428,811,690 is an even composite number composed of six prime numbers multiplied together.
428811690 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 428811690:
2 × 3 × 5 × 29 × 127 × 3881
See below for interesting mathematical facts about the number 428811690 from the Numbermatics database.
Names of 428811690
- Cardinal: 428811690 can be written as Four hundred twenty-eight million, eight hundred eleven thousand, six hundred ninety.
Scientific notation
- Scientific notation: 4.2881169 × 108
Factors of 428811690
Divisors of 428811690
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 5 6 10 15 29 30 58 87 127 145 174 254 290 381 435 635 762 870 1270 1905 3683 3810 3881 7366 7762 11049 11643 18415 19405 22098 23286 36830 38810 55245 58215 110490 112549 116430 225098 337647 492887 562745 675294 985774 1125490 1478661 1688235 2464435 2957322 3376470 4928870 7393305 14293723 14786610 28587446 42881169 71468615 85762338 142937230 214405845 428811690
- Sum of all divisors σ(n): 1073295360
- Sum of proper divisors (its aliquot sum) s(n): 644483670
- 428811690 is an abundant number, because the sum of its proper divisors (644483670) is greater than itself. Its abundance is 215671980
Bases of 428811690
- Binary: 110011000111100100101101010102
- Hexadecimal: 0x198F25AA
- Base-36: 73AX7U
Squares and roots of 428811690
- 428811690 squared (4288116902) is 183879465480656100
- 428811690 cubed (4288116903) is 78849664349056804549809000
-
The
square root of 428811690 is 20707.7688320109 -
The
cube root of 428811690 is 754.0883049675
Scales and comparisons
How big is 428811690?- 428,811,690 seconds is equal to 13 years, 33 weeks, 2 hours, 21 minutes, 30 seconds.
-
To count from 1 to 428,811,690 would take you about twenty 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 428811690 cubic inches would be around 62.8 feet tall.
Recreational maths with 428811690
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