13887090
13,887,090 is an even composite number composed of six prime numbers multiplied together.
13887090 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 13887090:
2 × 32 × 5 × 72 × 47 × 67
(2 × 3 × 3 × 5 × 7 × 7 × 47 × 67)See below for interesting mathematical facts about the number 13887090 from the Numbermatics database.
Names of 13887090
- Cardinal: 13887090 can be written as Thirteen million, eight hundred eighty-seven thousand and ninety.
Scientific notation
- Scientific notation: 1.388709 × 107
Factors of 13887090
Divisors of 13887090
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 47 49 63 67 70 90 94 98 105 126 134 141 147 201 210 235 245 282 294 315 329 335 402 423 441 469 470 490 603 630 658 670 705 735 846 882 938 987 1005 1206 1407 1410 1470 1645 1974 2010 2115 2205 2303 2345 2814 2961 3015 3149 3283 3290 4221 4230 4410 4606 4690 4935 5922 6030 6298 6566 6909 7035 8442 9447 9849 9870 11515 13818 14070 14805 15745 16415 18894 19698 20727 21105 22043 23030 28341 29547 29610 31490 32830 34545 41454 42210 44086 47235 49245 56682 59094 66129 69090 94470 98490 103635 110215 132258 141705 147735 154301 198387 207270 220430 283410 295470 308602 330645 396774 462903 661290 771505 925806 991935 1388709 1543010 1983870 2314515 2777418 4629030 6943545 13887090
- Sum of all divisors σ(n): 43535232
- Sum of proper divisors (its aliquot sum) s(n): 29648142
- 13887090 is an abundant number, because the sum of its proper divisors (29648142) is greater than itself. Its abundance is 15761052
Bases of 13887090
- Binary: 1101001111100110011100102
- Hexadecimal: 0xD3E672
- Base-36: 89NCI
Squares and roots of 13887090
- 13887090 squared (138870902) is 192851268668100
- 13887090 cubed (138870903) is 2678142924608084829000
-
The
square root of 13887090 is 3726.5386084139 -
The
cube root of 13887090 is 240.3645501495
Scales and comparisons
How big is 13887090?- 13,887,090 seconds is equal to 22 weeks, 6 days, 17 hours, 31 minutes, 30 seconds.
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To count from 1 to 13,887,090 would take you about thirty-four 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 13887090 cubic inches would be around 20 feet tall.
Recreational maths with 13887090
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