16891920
16,891,920 is an even composite number composed of five prime numbers multiplied together.
16891920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 16891920:
24 × 32 × 5 × 29 × 809
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 29 × 809)See below for interesting mathematical facts about the number 16891920 from the Numbermatics database.
Names of 16891920
- Cardinal: 16891920 can be written as Sixteen million, eight hundred ninety-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.689192 × 107
Factors of 16891920
Divisors of 16891920
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 36 40 45 48 58 60 72 80 87 90 116 120 144 145 174 180 232 240 261 290 348 360 435 464 522 580 696 720 809 870 1044 1160 1305 1392 1618 1740 2088 2320 2427 2610 3236 3480 4045 4176 4854 5220 6472 6960 7281 8090 9708 10440 12135 12944 14562 16180 19416 20880 23461 24270 29124 32360 36405 38832 46922 48540 58248 64720 70383 72810 93844 97080 116496 117305 140766 145620 187688 194160 211149 234610 281532 291240 351915 375376 422298 469220 563064 582480 703830 844596 938440 1055745 1126128 1407660 1689192 1876880 2111490 2815320 3378384 4222980 5630640 8445960 16891920
- Sum of all divisors σ(n): 58757400
- Sum of proper divisors (its aliquot sum) s(n): 41865480
- 16891920 is an abundant number, because the sum of its proper divisors (41865480) is greater than itself. Its abundance is 24973560
Bases of 16891920
- Binary: 10000000111000000000100002
- Hexadecimal: 0x101C010
- Base-36: A21W0
Squares and roots of 16891920
- 16891920 squared (168919202) is 285336961286400
- 16891920 cubed (168919203) is 4819889123092965888000
-
The
square root of 16891920 is 4109.9781021315 -
The
cube root of 16891920 is 256.5820901599
Scales and comparisons
How big is 16891920?- 16,891,920 seconds is equal to 27 weeks, 6 days, 12 hours, 12 minutes.
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To count from 1 to 16,891,920 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 16891920 cubic inches would be around 21.4 feet tall.
Recreational maths with 16891920
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