428939706
428,939,706 is an even composite number composed of seven prime numbers multiplied together.
428939706 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 428939706:
2 × 3 × 13 × 19 × 43 × 53 × 127
See below for interesting mathematical facts about the number 428939706 from the Numbermatics database.
Names of 428939706
- Cardinal: 428939706 can be written as Four hundred twenty-eight million, nine hundred thirty-nine thousand, seven hundred six.
Scientific notation
- Scientific notation: 4.28939706 × 108
Factors of 428939706
Divisors of 428939706
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 6 13 19 26 38 39 43 53 57 78 86 106 114 127 129 159 247 254 258 318 381 494 559 689 741 762 817 1007 1118 1378 1482 1634 1651 1677 2014 2067 2279 2413 2451 3021 3302 3354 4134 4558 4826 4902 4953 5461 6042 6731 6837 7239 9906 10621 10922 13091 13462 13674 14478 16383 20193 21242 26182 29627 31369 31863 32766 39273 40386 43301 59254 62738 63726 70993 78546 86602 87503 88881 94107 103759 127889 129903 141986 175006 177762 188214 207518 212979 255778 259806 262509 289433 311277 383667 425958 525018 562913 578866 622554 767334 868299 1125826 1348867 1662557 1688739 1736598 2697734 3325114 3377478 3762629 4046601 4987671 5499227 7525258 8093202 9975342 10998454 11287887 16497681 22575774 32995362 71489951 142979902 214469853 428939706
- Sum of all divisors σ(n): 1021870080
- Sum of proper divisors (its aliquot sum) s(n): 592930374
- 428939706 is an abundant number, because the sum of its proper divisors (592930374) is greater than itself. Its abundance is 163990668
Bases of 428939706
- Binary: 110011001000100011001101110102
- Hexadecimal: 0x199119BA
- Base-36: 73DNZU
Squares and roots of 428939706
- 428939706 squared (4289397062) is 183989271383366436
- 428939706 cubed (4289397063) is 78920303974335412348107816
-
The
square root of 428939706 is 20710.8596151873 -
The
cube root of 428939706 is 754.1633384969
Scales and comparisons
How big is 428939706?- 428,939,706 seconds is equal to 13 years, 33 weeks, 1 day, 13 hours, 55 minutes, 6 seconds.
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To count from 1 to 428,939,706 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 428939706 cubic inches would be around 62.8 feet tall.
Recreational maths with 428939706
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