164722140
164,722,140 is an even composite number composed of five prime numbers multiplied together.
164722140 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 164722140:
22 × 33 × 5 × 112 × 2521
(2 × 2 × 3 × 3 × 3 × 5 × 11 × 11 × 2521)See below for interesting mathematical facts about the number 164722140 from the Numbermatics database.
Names of 164722140
- Cardinal: 164722140 can be written as One hundred sixty-four million, seven hundred twenty-two thousand, one hundred forty.
Scientific notation
- Scientific notation: 1.6472214 × 108
Factors of 164722140
Divisors of 164722140
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 90 99 108 110 121 132 135 165 180 198 220 242 270 297 330 363 396 484 495 540 594 605 660 726 990 1089 1188 1210 1452 1485 1815 1980 2178 2420 2521 2970 3267 3630 4356 5042 5445 5940 6534 7260 7563 10084 10890 12605 13068 15126 16335 21780 22689 25210 27731 30252 32670 37815 45378 50420 55462 65340 68067 75630 83193 90756 110924 113445 136134 138655 151260 166386 226890 249579 272268 277310 305041 332772 340335 415965 453780 499158 554620 610082 680670 748737 831930 915123 998316 1220164 1247895 1361340 1497474 1525205 1663860 1830246 2495790 2745369 2994948 3050410 3660492 3743685 4575615 4991580 5490738 6100820 7487370 8236107 9151230 10981476 13726845 14974740 16472214 18302460 27453690 32944428 41180535 54907380 82361070 164722140
- Sum of all divisors σ(n): 563515680
- Sum of proper divisors (its aliquot sum) s(n): 398793540
- 164722140 is an abundant number, because the sum of its proper divisors (398793540) is greater than itself. Its abundance is 234071400
Bases of 164722140
- Binary: 10011101000101110101110111002
- Hexadecimal: 0x9D175DC
- Base-36: 2Q2KF0
Squares and roots of 164722140
- 164722140 squared (1647221402) is 27133383406179600
- 164722140 cubed (1647221403) is 4469468980106392936344000
-
The
square root of 164722140 is 12834.4123355921 -
The
cube root of 164722140 is 548.1726017835
Scales and comparisons
How big is 164722140?- 164,722,140 seconds is equal to 5 years, 12 weeks, 2 days, 12 hours, 9 minutes.
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To count from 1 to 164,722,140 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 164722140 cubic inches would be around 45.7 feet tall.
Recreational maths with 164722140
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