19970720
19,970,720 is an even composite number composed of five prime numbers multiplied together.
19970720 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 19970720:
25 × 5 × 7 × 11 × 1621
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 11 × 1621)See below for interesting mathematical facts about the number 19970720 from the Numbermatics database.
Names of 19970720
- Cardinal: 19970720 can be written as Nineteen million, nine hundred seventy thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.997072 × 107
Factors of 19970720
Divisors of 19970720
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 70 77 80 88 110 112 140 154 160 176 220 224 280 308 352 385 440 560 616 770 880 1120 1232 1540 1621 1760 2464 3080 3242 6160 6484 8105 11347 12320 12968 16210 17831 22694 25936 32420 35662 45388 51872 56735 64840 71324 89155 90776 113470 124817 129680 142648 178310 181552 226940 249634 259360 285296 356620 363104 453880 499268 570592 624085 713240 907760 998536 1248170 1426480 1815520 1997072 2496340 2852960 3994144 4992680 9985360 19970720
- Sum of all divisors σ(n): 58859136
- Sum of proper divisors (its aliquot sum) s(n): 38888416
- 19970720 is an abundant number, because the sum of its proper divisors (38888416) is greater than itself. Its abundance is 18917696
Bases of 19970720
- Binary: 10011000010111010101000002
- Hexadecimal: 0x130BAA0
- Base-36: BW1I8
Squares and roots of 19970720
- 19970720 squared (199707202) is 398829657318400
- 19970720 cubed (199707203) is 7964915414001717248000
-
The
square root of 19970720 is 4468.8611524637 -
The
cube root of 19970720 is 271.3092333849
Scales and comparisons
How big is 19970720?- 19,970,720 seconds is equal to 33 weeks, 3 hours, 25 minutes, 20 seconds.
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To count from 1 to 19,970,720 would take you about forty-nine 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 19970720 cubic inches would be around 22.6 feet tall.
Recreational maths with 19970720
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The information we have on file for 19970720 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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