128042028
128,042,028 is an even composite number composed of five prime numbers multiplied together.
128042028 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 128042028:
22 × 32 × 172 × 31 × 397
(2 × 2 × 3 × 3 × 17 × 17 × 31 × 397)See below for interesting mathematical facts about the number 128042028 from the Numbermatics database.
Names of 128042028
- Cardinal: 128042028 can be written as One hundred twenty-eight million, forty-two thousand and twenty-eight.
Scientific notation
- Scientific notation: 1.28042028 × 108
Factors of 128042028
Divisors of 128042028
- Number of divisors d(n): 108
-
Complete list of divisors:
1 2 3 4 6 9 12 17 18 31 34 36 51 62 68 93 102 124 153 186 204 279 289 306 372 397 527 558 578 612 794 867 1054 1116 1156 1191 1581 1588 1734 2108 2382 2601 3162 3468 3573 4743 4764 5202 6324 6749 7146 8959 9486 10404 12307 13498 14292 17918 18972 20247 24614 26877 26996 35836 36921 40494 49228 53754 60741 73842 80631 80988 107508 110763 114733 121482 147684 161262 209219 221526 229466 242964 322524 344199 418438 443052 458932 627657 688398 836876 1032597 1255314 1376796 1882971 2065194 2510628 3556723 3765942 4130388 7113446 7531884 10670169 14226892 21340338 32010507 42680676 64021014 128042028
- Sum of all divisors σ(n): 355805632
- Sum of proper divisors (its aliquot sum) s(n): 227763604
- 128042028 is an abundant number, because the sum of its proper divisors (227763604) is greater than itself. Its abundance is 99721576
Bases of 128042028
- Binary: 1111010000111000100001011002
- Hexadecimal: 0x7A1C42C
- Base-36: 248DV0
Squares and roots of 128042028
- 128042028 squared (1280420282) is 16394760934352784
- 128042028 cubed (1280420283) is 2099218438609705330805952
-
The
square root of 128042028 is 11315.5657392815 -
The
cube root of 128042028 is 504.0235722157
Scales and comparisons
How big is 128042028?- 128,042,028 seconds is equal to 4 years, 3 weeks, 4 days, 23 hours, 13 minutes, 48 seconds.
-
To count from 1 to 128,042,028 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 128042028 cubic inches would be around 42 feet tall.
Recreational maths with 128042028
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The information we have on file for 128042028 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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