20712960
20,712,960 is an even composite number composed of five prime numbers multiplied together.
20712960 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 20712960:
29 × 32 × 5 × 29 × 31
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 29 × 31)See below for interesting mathematical facts about the number 20712960 from the Numbermatics database.
Names of 20712960
- Cardinal: 20712960 can be written as Twenty million, seven hundred twelve thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 2.071296 × 107
Factors of 20712960
Divisors of 20712960
- Number of divisors d(n): 240
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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 31 32 36 40 45 48 58 60 62 64 72 80 87 90 93 96 116 120 124 128 144 145 155 160 174 180 186 192 232 240 248 256 261 279 288 290 310 320 348 360 372 384 435 464 465 480 496 512 522 558 576 580 620 640 696 720 744 768 870 899 928 930 960 992 1044 1116 1152 1160 1240 1280 1305 1392 1395 1440 1488 1536 1740 1798 1856 1860 1920 1984 2088 2232 2304 2320 2480 2560 2610 2697 2784 2790 2880 2976 3480 3596 3712 3720 3840 3968 4176 4464 4495 4608 4640 4960 5220 5394 5568 5580 5760 5952 6960 7192 7424 7440 7680 7936 8091 8352 8928 8990 9280 9920 10440 10788 11136 11160 11520 11904 13485 13920 14384 14848 14880 15872 16182 16704 17856 17980 18560 19840 20880 21576 22272 22320 23040 23808 26970 27840 28768 29760 32364 33408 35712 35960 37120 39680 40455 41760 43152 44544 44640 47616 53940 55680 57536 59520 64728 66816 71424 71920 74240 79360 80910 83520 86304 89280 107880 111360 115072 119040 129456 133632 142848 143840 161820 167040 172608 178560 215760 222720 230144 238080 258912 287680 323640 334080 345216 357120 431520 460288 517824 575360 647280 668160 690432 714240 863040 1035648 1150720 1294560 1380864 1726080 2071296 2301440 2589120 3452160 4142592 5178240 6904320 10356480 20712960
- Sum of all divisors σ(n): 76602240
- Sum of proper divisors (its aliquot sum) s(n): 55889280
- 20712960 is an abundant number, because the sum of its proper divisors (55889280) is greater than itself. Its abundance is 35176320
Bases of 20712960
- Binary: 10011110000001110000000002
- Hexadecimal: 0x13C0E00
- Base-36: CBY80
Squares and roots of 20712960
- 20712960 squared (207129602) is 429026711961600
- 20712960 cubed (207129603) is 8886413123792142336000
-
The
square root of 20712960 is 4551.1493053953 -
The
cube root of 20712960 is 274.6296281263
Scales and comparisons
How big is 20712960?- 20,712,960 seconds is equal to 34 weeks, 1 day, 17 hours, 36 minutes.
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To count from 1 to 20,712,960 would take you about fifty-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 20712960 cubic inches would be around 22.9 feet tall.
Recreational maths with 20712960
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