51128640
51,128,640 is an even composite number composed of five prime numbers multiplied together.
51128640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 51128640:
26 × 32 × 5 × 41 × 433
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 41 × 433)See below for interesting mathematical facts about the number 51128640 from the Numbermatics database.
Names of 51128640
- Cardinal: 51128640 can be written as Fifty-one million, one hundred twenty-eight thousand, six hundred forty.
Scientific notation
- Scientific notation: 5.112864 × 107
Factors of 51128640
Divisors of 51128640
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 41 45 48 60 64 72 80 82 90 96 120 123 144 160 164 180 192 205 240 246 288 320 328 360 369 410 433 480 492 576 615 656 720 738 820 866 960 984 1230 1299 1312 1440 1476 1640 1732 1845 1968 2165 2460 2598 2624 2880 2952 3280 3464 3690 3897 3936 4330 4920 5196 5904 6495 6560 6928 7380 7794 7872 8660 9840 10392 11808 12990 13120 13856 14760 15588 17320 17753 19485 19680 20784 23616 25980 27712 29520 31176 34640 35506 38970 39360 41568 51960 53259 59040 62352 69280 71012 77940 83136 88765 103920 106518 118080 124704 138560 142024 155880 159777 177530 207840 213036 249408 266295 284048 311760 319554 355060 415680 426072 532590 568096 623520 639108 710120 798885 852144 1065180 1136192 1247040 1278216 1420240 1597770 1704288 2130360 2556432 2840480 3195540 3408576 4260720 5112864 5680960 6391080 8521440 10225728 12782160 17042880 25564320 51128640
- Sum of all divisors σ(n): 180566568
- Sum of proper divisors (its aliquot sum) s(n): 129437928
- 51128640 is an abundant number, because the sum of its proper divisors (129437928) is greater than itself. Its abundance is 78309288
Bases of 51128640
- Binary: 110000110000101001010000002
- Hexadecimal: 0x30C2940
- Base-36: UFV40
Squares and roots of 51128640
- 51128640 squared (511286402) is 2614137828249600
- 51128640 cubed (511286403) is 133657311930955628544000
-
The
square root of 51128640 is 7150.4293577379 -
The
cube root of 51128640 is 371.1545140955
Scales and comparisons
How big is 51128640?- 51,128,640 seconds is equal to 1 year, 32 weeks, 3 days, 18 hours, 24 minutes.
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To count from 1 to 51,128,640 would take you about two years!
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 51128640 cubic inches would be around 30.9 feet tall.
Recreational maths with 51128640
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