28648984
28,648,984 is an even composite number composed of six prime numbers multiplied together.
28648984 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 28648984:
23 × 7 × 13 × 23 × 29 × 59
(2 × 2 × 2 × 7 × 13 × 23 × 29 × 59)See below for interesting mathematical facts about the number 28648984 from the Numbermatics database.
Names of 28648984
- Cardinal: 28648984 can be written as Twenty-eight million, six hundred forty-eight thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 2.8648984 × 107
Factors of 28648984
Divisors of 28648984
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 4 7 8 13 14 23 26 28 29 46 52 56 58 59 91 92 104 116 118 161 182 184 203 232 236 299 322 364 377 406 413 472 598 644 667 728 754 767 812 826 1196 1288 1334 1357 1508 1534 1624 1652 1711 2093 2392 2639 2668 2714 3016 3068 3304 3422 4186 4669 5278 5336 5369 5428 6136 6844 8372 8671 9338 9499 10556 10738 10856 11977 13688 16744 17342 17641 18676 18998 21112 21476 22243 23954 34684 35282 37352 37996 39353 42952 44486 47908 60697 69368 70564 75992 78706 88972 95816 121394 123487 141128 155701 157412 177944 242788 246974 275471 311402 314824 485576 493948 511589 550942 622804 987896 1023178 1101884 1245608 2046356 2203768 3581123 4092712 7162246 14324492 28648984
- Sum of all divisors σ(n): 72576000
- Sum of proper divisors (its aliquot sum) s(n): 43927016
- 28648984 is an abundant number, because the sum of its proper divisors (43927016) is greater than itself. Its abundance is 15278032
Bases of 28648984
- Binary: 11011010100100110000110002
- Hexadecimal: 0x1B52618
- Base-36: H21P4
Squares and roots of 28648984
- 28648984 squared (286489842) is 820764284232256
- 28648984 cubed (286489843) is 23514062846741354427904
-
The
square root of 28648984 is 5352.4745678985 -
The
cube root of 28648984 is 305.9870699537
Scales and comparisons
How big is 28648984?- 28,648,984 seconds is equal to 47 weeks, 2 days, 14 hours, 3 minutes, 4 seconds.
-
To count from 1 to 28,648,984 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 28648984 cubic inches would be around 25.5 feet tall.
Recreational maths with 28648984
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