1998920
1,998,920 is an even composite number composed of five prime numbers multiplied together.
1998920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 1998920:
23 × 5 × 7 × 112 × 59
(2 × 2 × 2 × 5 × 7 × 11 × 11 × 59)See below for interesting mathematical facts about the number 1998920 from the Numbermatics database.
Names of 1998920
- Cardinal: 1998920 can be written as One million, nine hundred ninety-eight thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.99892 × 106
Factors of 1998920
Divisors of 1998920
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 7 8 10 11 14 20 22 28 35 40 44 55 56 59 70 77 88 110 118 121 140 154 220 236 242 280 295 308 385 413 440 472 484 590 605 616 649 770 826 847 968 1180 1210 1298 1540 1652 1694 2065 2360 2420 2596 3080 3245 3304 3388 4130 4235 4543 4840 5192 6490 6776 7139 8260 8470 9086 12980 14278 16520 16940 18172 22715 25960 28556 33880 35695 36344 45430 49973 57112 71390 90860 99946 142780 181720 199892 249865 285560 399784 499730 999460 1998920
- Sum of all divisors σ(n): 5745600
- Sum of proper divisors (its aliquot sum) s(n): 3746680
- 1998920 is an abundant number, because the sum of its proper divisors (3746680) is greater than itself. Its abundance is 1747760
Bases of 1998920
- Binary: 1111010000000010010002
- Hexadecimal: 0x1E8048
- Base-36: 16UDK
Squares and roots of 1998920
- 1998920 squared (19989202) is 3995681166400
- 1998920 cubed (19989203) is 7987046997140288000
-
The
square root of 1998920 is 1413.8316731491 -
The
cube root of 1998920 is 125.9694223273
Scales and comparisons
How big is 1998920?- 1,998,920 seconds is equal to 3 weeks, 2 days, 3 hours, 15 minutes, 20 seconds.
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To count from 1 to 1,998,920 would take you about 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 1998920 cubic inches would be around 10.5 feet tall.
Recreational maths with 1998920
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The information we have on file for 1998920 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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