428728768
428,728,768 is an even composite number composed of five prime numbers multiplied together.
428728768 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 428728768:
26 × 13 × 19 × 37 × 733
(2 × 2 × 2 × 2 × 2 × 2 × 13 × 19 × 37 × 733)See below for interesting mathematical facts about the number 428728768 from the Numbermatics database.
Names of 428728768
- Cardinal: 428728768 can be written as Four hundred twenty-eight million, seven hundred twenty-eight thousand, seven hundred sixty-eight.
Scientific notation
- Scientific notation: 4.28728768 × 108
Factors of 428728768
Divisors of 428728768
- Number of divisors d(n): 112
-
Complete list of divisors:
1 2 4 8 13 16 19 26 32 37 38 52 64 74 76 104 148 152 208 247 296 304 416 481 494 592 608 703 733 832 962 988 1184 1216 1406 1466 1924 1976 2368 2812 2932 3848 3952 5624 5864 7696 7904 9139 9529 11248 11728 13927 15392 15808 18278 19058 22496 23456 27121 27854 30784 36556 38116 44992 46912 54242 55708 73112 76232 108484 111416 146224 152464 181051 216968 222832 292448 304928 352573 362102 433936 445664 515299 584896 609856 705146 724204 867872 891328 1030598 1410292 1448408 1735744 2061196 2820584 2896816 4122392 5641168 5793632 6698887 8244784 11282336 11587264 13397774 16489568 22564672 26795548 32979136 53591096 107182192 214364384 428728768
- Sum of all divisors σ(n): 991839520
- Sum of proper divisors (its aliquot sum) s(n): 563110752
- 428728768 is an abundant number, because the sum of its proper divisors (563110752) is greater than itself. Its abundance is 134381984
Bases of 428728768
- Binary: 110011000110111100001110000002
- Hexadecimal: 0x198DE1C0
- Base-36: 73958G
Squares and roots of 428728768
- 428728768 squared (4287287682) is 183808356510797824
- 428728768 cubed (4287287683) is 78803930234979129780600832
-
The
square root of 428728768 is 20705.7665397831 -
The
cube root of 428728768 is 754.0396942425
Scales and comparisons
How big is 428728768?- 428,728,768 seconds is equal to 13 years, 32 weeks, 6 days, 3 hours, 19 minutes, 28 seconds.
-
To count from 1 to 428,728,768 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 428728768 cubic inches would be around 62.8 feet tall.
Recreational maths with 428728768
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The information we have on file for 428728768 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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