28978290
28,978,290 is an even composite number composed of five prime numbers multiplied together.
28978290 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 28978290:
2 × 33 × 5 × 112 × 887
(2 × 3 × 3 × 3 × 5 × 11 × 11 × 887)See below for interesting mathematical facts about the number 28978290 from the Numbermatics database.
Names of 28978290
- Cardinal: 28978290 can be written as Twenty-eight million, nine hundred seventy-eight thousand, two hundred ninety.
Scientific notation
- Scientific notation: 2.897829 × 107
Factors of 28978290
Divisors of 28978290
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 90 99 110 121 135 165 198 242 270 297 330 363 495 594 605 726 887 990 1089 1210 1485 1774 1815 2178 2661 2970 3267 3630 4435 5322 5445 6534 7983 8870 9757 10890 13305 15966 16335 19514 23949 26610 29271 32670 39915 47898 48785 58542 79830 87813 97570 107327 119745 146355 175626 214654 239490 263439 292710 321981 439065 526878 536635 643962 878130 965943 1073270 1317195 1609905 1931886 2634390 2897829 3219810 4829715 5795658 9659430 14489145 28978290
- Sum of all divisors σ(n): 85034880
- Sum of proper divisors (its aliquot sum) s(n): 56056590
- 28978290 is an abundant number, because the sum of its proper divisors (56056590) is greater than itself. Its abundance is 27078300
Bases of 28978290
- Binary: 11011101000101100011100102
- Hexadecimal: 0x1BA2C72
- Base-36: H93SI
Squares and roots of 28978290
- 28978290 squared (289782902) is 839741291324100
- 28978290 cubed (289782903) is 24334266664964253789000
-
The
square root of 28978290 is 5383.1487068443 -
The
cube root of 28978290 is 307.1549967645
Scales and comparisons
How big is 28978290?- 28,978,290 seconds is equal to 47 weeks, 6 days, 9 hours, 31 minutes, 30 seconds.
-
To count from 1 to 28,978,290 would take you about nineteen weeks!
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 28978290 cubic inches would be around 25.6 feet tall.
Recreational maths with 28978290
Link to this page
HTML: To link to this page, just copy and paste the link below into your blog, web page or email.
BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:
Cite this page
MLA style:
"Number 28978290 - Facts about the integer". Numbermatics.com. 2024. Web. 26 May 2024.
APA style:
Numbermatics. (2024). Number 28978290 - Facts about the integer. Retrieved 26 May 2024, from https://numbermatics.com/n/28978290/
Chicago style:
Numbermatics. 2024. "Number 28978290 - Facts about the integer". https://numbermatics.com/n/28978290/
The information we have on file for 28978290 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!
Keywords: Divisors of 28978290, math, Factors of 28978290, curriculum, school, college, exams, university, Prime factorization of 28978290, STEM, science, technology, engineering, physics, economics, calculator, twenty-eight million, nine hundred seventy-eight thousand, two hundred ninety.