164720920
164,720,920 is an even composite number composed of five prime numbers multiplied together.
164720920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 164720920:
23 × 5 × 7 × 132 × 592
(2 × 2 × 2 × 5 × 7 × 13 × 13 × 59 × 59)See below for interesting mathematical facts about the number 164720920 from the Numbermatics database.
Names of 164720920
- Cardinal: 164720920 can be written as One hundred sixty-four million, seven hundred twenty thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.6472092 × 108
Factors of 164720920
Divisors of 164720920
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 20 26 28 35 40 52 56 59 65 70 91 104 118 130 140 169 182 236 260 280 295 338 364 413 455 472 520 590 676 728 767 826 845 910 1180 1183 1352 1534 1652 1690 1820 2065 2360 2366 3068 3304 3380 3481 3640 3835 4130 4732 5369 5915 6136 6760 6962 7670 8260 9464 9971 10738 11830 13924 15340 16520 17405 19942 21476 23660 24367 26845 27848 30680 34810 39884 42952 45253 47320 48734 49855 53690 69620 69797 79768 90506 97468 99710 107380 121835 139240 139594 181012 194936 199420 214760 226265 243670 279188 316771 348985 362024 398840 452530 487340 558376 588289 633542 697970 905060 974680 1176578 1267084 1395940 1583855 1810120 2353156 2534168 2791880 2941445 3167710 4118023 4706312 5882890 6335420 8236046 11765780 12670840 16472092 20590115 23531560 32944184 41180230 82360460 164720920
- Sum of all divisors σ(n): 466562160
- Sum of proper divisors (its aliquot sum) s(n): 301841240
- 164720920 is an abundant number, because the sum of its proper divisors (301841240) is greater than itself. Its abundance is 137120320
Bases of 164720920
- Binary: 10011101000101110001000110002
- Hexadecimal: 0x9D17118
- Base-36: 2Q2JH4
Squares and roots of 164720920
- 164720920 squared (1647209202) is 27132981485646400
- 164720920 cubed (1647209203) is 4469369672658641802688000
-
The
square root of 164720920 is 12834.3648070327 -
The
cube root of 164720920 is 548.1712484493
Scales and comparisons
How big is 164720920?- 164,720,920 seconds is equal to 5 years, 12 weeks, 2 days, 11 hours, 48 minutes, 40 seconds.
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To count from 1 to 164,720,920 would take you about seven 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 164720920 cubic inches would be around 45.7 feet tall.
Recreational maths with 164720920
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