28978404
28,978,404 is an even composite number composed of six prime numbers multiplied together.
28978404 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 28978404:
22 × 3 × 72 × 13 × 17 × 223
(2 × 2 × 3 × 7 × 7 × 13 × 17 × 223)See below for interesting mathematical facts about the number 28978404 from the Numbermatics database.
Names of 28978404
- Cardinal: 28978404 can be written as Twenty-eight million, nine hundred seventy-eight thousand, four hundred four.
Scientific notation
- Scientific notation: 2.8978404 × 107
Factors of 28978404
Divisors of 28978404
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 7 12 13 14 17 21 26 28 34 39 42 49 51 52 68 78 84 91 98 102 119 147 156 182 196 204 221 223 238 273 294 357 364 442 446 476 546 588 637 663 669 714 833 884 892 1092 1274 1326 1338 1428 1547 1561 1666 1911 2499 2548 2652 2676 2899 3094 3122 3332 3791 3822 4641 4683 4998 5798 6188 6244 7582 7644 8697 9282 9366 9996 10829 10927 11373 11596 15164 17394 18564 18732 20293 21658 21854 22746 26537 32487 32781 34788 40586 43316 43708 45492 49283 53074 60879 64974 65562 79611 81172 98566 106148 121758 129948 131124 142051 147849 159222 185759 197132 243516 284102 295698 318444 344981 371518 426153 557277 568204 591396 689962 743036 852306 1034943 1114554 1379924 1704612 2069886 2229108 2414867 4139772 4829734 7244601 9659468 14489202 28978404
- Sum of all divisors σ(n): 90091008
- Sum of proper divisors (its aliquot sum) s(n): 61112604
- 28978404 is an abundant number, because the sum of its proper divisors (61112604) is greater than itself. Its abundance is 32134200
Bases of 28978404
- Binary: 11011101000101100111001002
- Hexadecimal: 0x1BA2CE4
- Base-36: H93VO
Squares and roots of 28978404
- 28978404 squared (289784042) is 839747898387216
- 28978404 cubed (289784043) is 24334553857615693683264
-
The
square root of 28978404 is 5383.1592954323 -
The
cube root of 28978404 is 307.1553995443
Scales and comparisons
How big is 28978404?- 28,978,404 seconds is equal to 47 weeks, 6 days, 9 hours, 33 minutes, 24 seconds.
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To count from 1 to 28,978,404 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 28978404 cubic inches would be around 25.6 feet tall.
Recreational maths with 28978404
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The information we have on file for 28978404 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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