13289640
13,289,640 is an even composite number composed of six prime numbers multiplied together.
13289640 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 13289640:
23 × 3 × 5 × 7 × 13 × 1217
(2 × 2 × 2 × 3 × 5 × 7 × 13 × 1217)See below for interesting mathematical facts about the number 13289640 from the Numbermatics database.
Names of 13289640
- Cardinal: 13289640 can be written as Thirteen million, two hundred eighty-nine thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.328964 × 107
Factors of 13289640
Divisors of 13289640
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 26 28 30 35 39 40 42 52 56 60 65 70 78 84 91 104 105 120 130 140 156 168 182 195 210 260 273 280 312 364 390 420 455 520 546 728 780 840 910 1092 1217 1365 1560 1820 2184 2434 2730 3640 3651 4868 5460 6085 7302 8519 9736 10920 12170 14604 15821 17038 18255 24340 25557 29208 31642 34076 36510 42595 47463 48680 51114 63284 68152 73020 79105 85190 94926 102228 110747 126568 127785 146040 158210 170380 189852 204456 221494 237315 255570 316420 332241 340760 379704 442988 474630 511140 553735 632840 664482 885976 949260 1022280 1107470 1328964 1661205 1898520 2214940 2657928 3322410 4429880 6644820 13289640
- Sum of all divisors σ(n): 49109760
- Sum of proper divisors (its aliquot sum) s(n): 35820120
- 13289640 is an abundant number, because the sum of its proper divisors (35820120) is greater than itself. Its abundance is 22530480
Bases of 13289640
- Binary: 1100101011001000101010002
- Hexadecimal: 0xCAC8A8
- Base-36: 7WUCO
Squares and roots of 13289640
- 13289640 squared (132896402) is 176614531329600
- 13289640 cubed (132896403) is 2347143540139105344000
-
The
square root of 13289640 is 3645.4958510469 -
The
cube root of 13289640 is 236.8669159713
Scales and comparisons
How big is 13289640?- 13,289,640 seconds is equal to 21 weeks, 6 days, 19 hours, 34 minutes.
-
To count from 1 to 13,289,640 would take you about thirty-two 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 13289640 cubic inches would be around 19.7 feet tall.
Recreational maths with 13289640
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