16639920
16,639,920 is an even composite number composed of five prime numbers multiplied together.
16639920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 16639920:
24 × 32 × 5 × 112 × 191
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 × 11 × 191)See below for interesting mathematical facts about the number 16639920 from the Numbermatics database.
Names of 16639920
- Cardinal: 16639920 can be written as Sixteen million, six hundred thirty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.663992 × 107
Factors of 16639920
Divisors of 16639920
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 33 36 40 44 45 48 55 60 66 72 80 88 90 99 110 120 121 132 144 165 176 180 191 198 220 240 242 264 330 360 363 382 396 440 484 495 528 573 605 660 720 726 764 792 880 955 968 990 1089 1146 1210 1320 1452 1528 1584 1719 1815 1910 1936 1980 2101 2178 2292 2420 2640 2865 2904 3056 3438 3630 3820 3960 4202 4356 4584 4840 5445 5730 5808 6303 6876 7260 7640 7920 8404 8595 8712 9168 9680 10505 10890 11460 12606 13752 14520 15280 16808 17190 17424 18909 21010 21780 22920 23111 25212 27504 29040 31515 33616 34380 37818 42020 43560 45840 46222 50424 63030 68760 69333 75636 84040 87120 92444 94545 100848 115555 126060 137520 138666 151272 168080 184888 189090 207999 231110 252120 277332 302544 346665 369776 378180 415998 462220 504240 554664 693330 756360 831996 924440 1039995 1109328 1386660 1512720 1663992 1848880 2079990 2773320 3327984 4159980 5546640 8319960 16639920
- Sum of all divisors σ(n): 61746048
- Sum of proper divisors (its aliquot sum) s(n): 45106128
- 16639920 is an abundant number, because the sum of its proper divisors (45106128) is greater than itself. Its abundance is 28466208
Bases of 16639920
- Binary: 1111110111100111101100002
- Hexadecimal: 0xFDE7B0
- Base-36: 9WNG0
Squares and roots of 16639920
- 16639920 squared (166399202) is 276886937606400
- 16639920 cubed (166399203) is 4607376490815487488000
-
The
square root of 16639920 is 4079.2058050557 -
The
cube root of 16639920 is 255.2997628189
Scales and comparisons
How big is 16639920?- 16,639,920 seconds is equal to 27 weeks, 3 days, 14 hours, 12 minutes.
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To count from 1 to 16,639,920 would take you about forty-one 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 16639920 cubic inches would be around 21.3 feet tall.
Recreational maths with 16639920
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