20161728
20,161,728 is an even composite number composed of five prime numbers multiplied together.
20161728 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 20161728:
26 × 32 × 17 × 29 × 71
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 17 × 29 × 71)See below for interesting mathematical facts about the number 20161728 from the Numbermatics database.
Names of 20161728
- Cardinal: 20161728 can be written as Twenty million, one hundred sixty-one thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.0161728 × 107
Factors of 20161728
Divisors of 20161728
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 24 29 32 34 36 48 51 58 64 68 71 72 87 96 102 116 136 142 144 153 174 192 204 213 232 261 272 284 288 306 348 408 426 464 493 522 544 568 576 612 639 696 816 852 928 986 1044 1088 1136 1207 1224 1278 1392 1479 1632 1704 1856 1972 2059 2088 2272 2414 2448 2556 2784 2958 3264 3408 3621 3944 4118 4176 4437 4544 4828 4896 5112 5568 5916 6177 6816 7242 7888 8236 8352 8874 9656 9792 10224 10863 11832 12354 13632 14484 15776 16472 16704 17748 18531 19312 20448 21726 23664 24708 28968 31552 32944 35003 35496 37062 38624 40896 43452 47328 49416 57936 65888 70006 70992 74124 77248 86904 94656 98832 105009 115872 131776 140012 141984 148248 173808 197664 210018 231744 280024 283968 296496 315027 347616 395328 420036 560048 592992 630054 695232 840072 1120096 1185984 1260108 1680144 2240192 2520216 3360288 5040432 6720576 10080864 20161728
- Sum of all divisors σ(n): 64190880
- Sum of proper divisors (its aliquot sum) s(n): 44029152
- 20161728 is an abundant number, because the sum of its proper divisors (44029152) is greater than itself. Its abundance is 23867424
Bases of 20161728
- Binary: 10011001110100100110000002
- Hexadecimal: 0x133A4C0
- Base-36: C04W0
Squares and roots of 20161728
- 20161728 squared (201617282) is 406495275945984
- 20161728 cubed (201617283) is 8195647186907872100352
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The
square root of 20161728 is 4490.1812880997 -
The
cube root of 20161728 is 272.1714605213
Scales and comparisons
How big is 20161728?- 20,161,728 seconds is equal to 33 weeks, 2 days, 8 hours, 28 minutes, 48 seconds.
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To count from 1 to 20,161,728 would take you about fifty 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 20161728 cubic inches would be around 22.7 feet tall.
Recreational maths with 20161728
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"Number 20161728 - Facts about the integer". Numbermatics.com. 2024. Web. 5 May 2024.
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Numbermatics. (2024). Number 20161728 - Facts about the integer. Retrieved 5 May 2024, from https://numbermatics.com/n/20161728/
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The information we have on file for 20161728 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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