164915940
164,915,940 is an even composite number composed of seven prime numbers multiplied together.
164915940 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 164915940:
22 × 3 × 5 × 7 × 41 × 61 × 157
(2 × 2 × 3 × 5 × 7 × 41 × 61 × 157)See below for interesting mathematical facts about the number 164915940 from the Numbermatics database.
Names of 164915940
- Cardinal: 164915940 can be written as One hundred sixty-four million, nine hundred fifteen thousand, nine hundred forty.
Scientific notation
- Scientific notation: 1.6491594 × 108
Factors of 164915940
Divisors of 164915940
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 41 42 60 61 70 82 84 105 122 123 140 157 164 183 205 210 244 246 287 305 314 366 410 420 427 471 492 574 610 615 628 732 785 820 854 861 915 942 1099 1148 1220 1230 1281 1435 1570 1708 1722 1830 1884 2135 2198 2355 2460 2501 2562 2870 3140 3297 3444 3660 4270 4305 4396 4710 5002 5124 5495 5740 6405 6437 6594 7503 8540 8610 9420 9577 10004 10990 12505 12810 12874 13188 15006 16485 17220 17507 19154 19311 21980 25010 25620 25748 28731 30012 32185 32970 35014 37515 38308 38622 45059 47885 50020 52521 57462 64370 65940 67039 70028 75030 77244 87535 90118 95770 96555 105042 114924 128740 134078 135177 143655 150060 175070 180236 191540 193110 201117 210084 225295 262605 268156 270354 287310 335195 350140 386220 392657 402234 450590 525210 540708 574620 670390 675885 785314 804468 901180 1005585 1050420 1177971 1340780 1351770 1570628 1963285 2011170 2355942 2703540 2748599 3926570 4022340 4711884 5497198 5889855 7853140 8245797 10994396 11779710 13742995 16491594 23559420 27485990 32983188 41228985 54971980 82457970 164915940
- Sum of all divisors σ(n): 552964608
- Sum of proper divisors (its aliquot sum) s(n): 388048668
- 164915940 is an abundant number, because the sum of its proper divisors (388048668) is greater than itself. Its abundance is 223132728
Bases of 164915940
- Binary: 10011101010001101010111001002
- Hexadecimal: 0x9D46AE4
- Base-36: 2Q6PYC
Squares and roots of 164915940
- 164915940 squared (1649159402) is 27197267266083600
- 164915940 cubed (1649159403) is 4485262896617407012584000
-
The
square root of 164915940 is 12841.9601307589 -
The
cube root of 164915940 is 548.3874974339
Scales and comparisons
How big is 164915940?- 164,915,940 seconds is equal to 5 years, 12 weeks, 4 days, 17 hours, 59 minutes.
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To count from 1 to 164,915,940 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 164915940 cubic inches would be around 45.7 feet tall.
Recreational maths with 164915940
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