17989920
17,989,920 is an even composite number composed of five prime numbers multiplied together.
17989920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 17989920:
25 × 32 × 5 × 13 × 312
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 13 × 31 × 31)See below for interesting mathematical facts about the number 17989920 from the Numbermatics database.
Names of 17989920
- Cardinal: 17989920 can be written as Seventeen million, nine hundred eighty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.798992 × 107
Factors of 17989920
Divisors of 17989920
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 31 32 36 39 40 45 48 52 60 62 65 72 78 80 90 93 96 104 117 120 124 130 144 155 156 160 180 186 195 208 234 240 248 260 279 288 310 312 360 372 390 403 416 465 468 480 496 520 558 585 620 624 720 744 780 806 930 936 961 992 1040 1116 1170 1209 1240 1248 1395 1440 1488 1560 1612 1860 1872 1922 2015 2080 2232 2340 2418 2480 2790 2883 2976 3120 3224 3627 3720 3744 3844 4030 4464 4680 4805 4836 4960 5580 5766 6045 6240 6448 7254 7440 7688 8060 8649 8928 9360 9610 9672 11160 11532 12090 12493 12896 14415 14508 14880 15376 16120 17298 18135 18720 19220 19344 22320 23064 24180 24986 28830 29016 30752 32240 34596 36270 37479 38440 38688 43245 44640 46128 48360 49972 57660 58032 62465 64480 69192 72540 74958 76880 86490 92256 96720 99944 112437 115320 116064 124930 138384 145080 149916 153760 172980 187395 193440 199888 224874 230640 249860 276768 290160 299832 345960 374790 399776 449748 461280 499720 562185 580320 599664 691920 749580 899496 999440 1124370 1199328 1383840 1499160 1798992 1998880 2248740 2998320 3597984 4497480 5996640 8994960 17989920
- Sum of all divisors σ(n): 68314428
- Sum of proper divisors (its aliquot sum) s(n): 50324508
- 17989920 is an abundant number, because the sum of its proper divisors (50324508) is greater than itself. Its abundance is 32334588
Bases of 17989920
- Binary: 10001001010000001001000002
- Hexadecimal: 0x1128120
- Base-36: APL40
Squares and roots of 17989920
- 17989920 squared (179899202) is 323637221606400
- 17989920 cubed (179899203) is 5822207725721407488000
-
The
square root of 17989920 is 4241.4525813687 -
The
cube root of 17989920 is 262.0252097801
Scales and comparisons
How big is 17989920?- 17,989,920 seconds is equal to 29 weeks, 5 days, 5 hours, 12 minutes.
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To count from 1 to 17,989,920 would take you about forty-four 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 17989920 cubic inches would be around 21.8 feet tall.
Recreational maths with 17989920
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