20380920
20,380,920 is an even composite number composed of six prime numbers multiplied together.
20380920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 20380920:
23 × 3 × 5 × 7 × 19 × 1277
(2 × 2 × 2 × 3 × 5 × 7 × 19 × 1277)See below for interesting mathematical facts about the number 20380920 from the Numbermatics database.
Names of 20380920
- Cardinal: 20380920 can be written as Twenty million, three hundred eighty thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.038092 × 107
Factors of 20380920
Divisors of 20380920
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 19 20 21 24 28 30 35 38 40 42 56 57 60 70 76 84 95 105 114 120 133 140 152 168 190 210 228 266 280 285 380 399 420 456 532 570 665 760 798 840 1064 1140 1277 1330 1596 1995 2280 2554 2660 3192 3831 3990 5108 5320 6385 7662 7980 8939 10216 12770 15324 15960 17878 19155 24263 25540 26817 30648 35756 38310 44695 48526 51080 53634 71512 72789 76620 89390 97052 107268 121315 134085 145578 153240 169841 178780 194104 214536 242630 268170 291156 339682 357560 363945 485260 509523 536340 582312 679364 727890 849205 970520 1019046 1072680 1358728 1455780 1698410 2038092 2547615 2911560 3396820 4076184 5095230 6793640 10190460 20380920
- Sum of all divisors σ(n): 73612800
- Sum of proper divisors (its aliquot sum) s(n): 53231880
- 20380920 is an abundant number, because the sum of its proper divisors (53231880) is greater than itself. Its abundance is 32850960
Bases of 20380920
- Binary: 10011011011111100111110002
- Hexadecimal: 0x136FCF8
- Base-36: C4U0O
Squares and roots of 20380920
- 20380920 squared (203809202) is 415381900046400
- 20380920 cubed (203809203) is 8465865274293674688000
-
The
square root of 20380920 is 4514.5232306413 -
The
cube root of 20380920 is 273.1542286233
Scales and comparisons
How big is 20380920?- 20,380,920 seconds is equal to 33 weeks, 4 days, 21 hours, 22 minutes.
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To count from 1 to 20,380,920 would take you about fifty 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 20380920 cubic inches would be around 22.8 feet tall.
Recreational maths with 20380920
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The information we have on file for 20380920 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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