21362040
21,362,040 is an even composite number composed of five prime numbers multiplied together.
21362040 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21362040:
23 × 32 × 5 × 73 × 173
(2 × 2 × 2 × 3 × 3 × 5 × 7 × 7 × 7 × 173)See below for interesting mathematical facts about the number 21362040 from the Numbermatics database.
Names of 21362040
- Cardinal: 21362040 can be written as Twenty-one million, three hundred sixty-two thousand and forty.
Scientific notation
- Scientific notation: 2.136204 × 107
Factors of 21362040
Divisors of 21362040
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 49 56 60 63 70 72 84 90 98 105 120 126 140 147 168 173 180 196 210 245 252 280 294 315 343 346 360 392 420 441 490 504 519 588 630 686 692 735 840 865 882 980 1029 1038 1176 1211 1260 1372 1384 1470 1557 1715 1730 1764 1960 2058 2076 2205 2422 2520 2595 2744 2940 3087 3114 3430 3460 3528 3633 4116 4152 4410 4844 5145 5190 5880 6055 6174 6228 6860 6920 7266 7785 8232 8477 8820 9688 10290 10380 10899 12110 12348 12456 13720 14532 15435 15570 16954 17640 18165 20580 20760 21798 24220 24696 25431 29064 30870 31140 33908 36330 41160 42385 43596 48440 50862 54495 59339 61740 62280 67816 72660 76293 84770 87192 101724 108990 118678 123480 127155 145320 152586 169540 178017 203448 217980 237356 254310 296695 305172 339080 356034 381465 435960 474712 508620 534051 593390 610344 712068 762930 890085 1017240 1068102 1186780 1424136 1525860 1780170 2136204 2373560 2670255 3051720 3560340 4272408 5340510 7120680 10681020 21362040
- Sum of all divisors σ(n): 81432000
- Sum of proper divisors (its aliquot sum) s(n): 60069960
- 21362040 is an abundant number, because the sum of its proper divisors (60069960) is greater than itself. Its abundance is 38707920
Bases of 21362040
- Binary: 10100010111110101011110002
- Hexadecimal: 0x145F578
- Base-36: CPV20
Squares and roots of 21362040
- 21362040 squared (213620402) is 456336752961600
- 21362040 cubed (213620403) is 9748283970235817664000
-
The
square root of 21362040 is 4621.9086966317 -
The
cube root of 21362040 is 277.4688545517
Scales and comparisons
How big is 21362040?- 21,362,040 seconds is equal to 35 weeks, 2 days, 5 hours, 54 minutes.
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To count from 1 to 21,362,040 would take you about six days!
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 21362040 cubic inches would be around 23.1 feet tall.
Recreational maths with 21362040
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