129827380
129,827,380 is an even composite number composed of six prime numbers multiplied together.
129827380 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 129827380:
22 × 5 × 19 × 31 × 103 × 107
(2 × 2 × 5 × 19 × 31 × 103 × 107)See below for interesting mathematical facts about the number 129827380 from the Numbermatics database.
Names of 129827380
- Cardinal: 129827380 can be written as One hundred twenty-nine million, eight hundred twenty-seven thousand, three hundred eighty.
Scientific notation
- Scientific notation: 1.2982738 × 108
Factors of 129827380
Divisors of 129827380
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 10 19 20 31 38 62 76 95 103 107 124 155 190 206 214 310 380 412 428 515 535 589 620 1030 1070 1178 1957 2033 2060 2140 2356 2945 3193 3317 3914 4066 5890 6386 6634 7828 8132 9785 10165 11021 11780 12772 13268 15965 16585 19570 20330 22042 31930 33170 39140 40660 44084 55105 60667 63023 63860 66340 110210 121334 126046 209399 220420 242668 252092 303335 315115 341651 418798 606670 630230 683302 837596 1046995 1213340 1260460 1366604 1708255 2093990 3416510 4187980 6491369 6833020 12982738 25965476 32456845 64913690 129827380
- Sum of all divisors σ(n): 301916160
- Sum of proper divisors (its aliquot sum) s(n): 172088780
- 129827380 is an abundant number, because the sum of its proper divisors (172088780) is greater than itself. Its abundance is 42261400
Bases of 129827380
- Binary: 1111011110100000010001101002
- Hexadecimal: 0x7BD0234
- Base-36: 25ANG4
Squares and roots of 129827380
- 129827380 squared (1298273802) is 16855148597664400
- 129827380 cubed (1298273803) is 2188259781945443171272000
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The
square root of 129827380 is 11394.1818486455 -
The
cube root of 129827380 is 506.3553826241
Scales and comparisons
How big is 129827380?- 129,827,380 seconds is equal to 4 years, 6 weeks, 4 days, 15 hours, 9 minutes, 40 seconds.
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To count from 1 to 129,827,380 would take you about six 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 129827380 cubic inches would be around 42.2 feet tall.
Recreational maths with 129827380
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