164818940
164,818,940 is an even composite number composed of five prime numbers multiplied together.
164818940 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 164818940:
22 × 5 × 112 × 133 × 31
(2 × 2 × 5 × 11 × 11 × 13 × 13 × 13 × 31)See below for interesting mathematical facts about the number 164818940 from the Numbermatics database.
Names of 164818940
- Cardinal: 164818940 can be written as One hundred sixty-four million, eight hundred eighteen thousand, nine hundred forty.
Scientific notation
- Scientific notation: 1.6481894 × 108
Factors of 164818940
Divisors of 164818940
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 10 11 13 20 22 26 31 44 52 55 62 65 110 121 124 130 143 155 169 220 242 260 286 310 338 341 403 484 572 605 620 676 682 715 806 845 1210 1364 1430 1573 1612 1690 1705 1859 2015 2197 2420 2860 3146 3380 3410 3718 3751 4030 4394 4433 5239 6292 6820 7436 7502 7865 8060 8788 8866 9295 10478 10985 15004 15730 17732 18590 18755 20449 20956 21970 22165 24167 26195 31460 37180 37510 40898 43940 44330 48334 48763 52390 57629 68107 75020 81796 88660 96668 97526 102245 104780 115258 120835 136214 195052 204490 230516 241670 243815 265837 272428 288145 340535 408980 483340 487630 531674 576290 633919 681070 749177 975260 1063348 1152580 1267838 1329185 1362140 1498354 2535676 2658370 2996708 3169595 3745885 5316740 6339190 7491770 8240947 12678380 14983540 16481894 32963788 41204735 82409470 164818940
- Sum of all divisors σ(n): 425429760
- Sum of proper divisors (its aliquot sum) s(n): 260610820
- 164818940 is an abundant number, because the sum of its proper divisors (260610820) is greater than itself. Its abundance is 95791880
Bases of 164818940
- Binary: 10011101001011101111111111002
- Hexadecimal: 0x9D2EFFC
- Base-36: 2Q4N3W
Squares and roots of 164818940
- 164818940 squared (1648189402) is 27165282982723600
- 164818940 cubed (1648189403) is 4477353146012542064984000
-
The
square root of 164818940 is 12838.1828932291 -
The
cube root of 164818940 is 548.2799597801
Scales and comparisons
How big is 164818940?- 164,818,940 seconds is equal to 5 years, 12 weeks, 3 days, 15 hours, 2 minutes, 20 seconds.
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To count from 1 to 164,818,940 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 164818940 cubic inches would be around 45.7 feet tall.
Recreational maths with 164818940
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