216990720
216,990,720 is an even composite number composed of five prime numbers multiplied together.
216990720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixty-four divisors.
Prime factorization of 216990720:
210 × 32 × 5 × 17 × 277
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 17 × 277)See below for interesting mathematical facts about the number 216990720 from the Numbermatics database.
Names of 216990720
- Cardinal: 216990720 can be written as Two hundred sixteen million, nine hundred ninety thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.1699072 × 108
Factors of 216990720
Divisors of 216990720
- Number of divisors d(n): 264
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 32 34 36 40 45 48 51 60 64 68 72 80 85 90 96 102 120 128 136 144 153 160 170 180 192 204 240 255 256 272 277 288 306 320 340 360 384 408 480 510 512 544 554 576 612 640 680 720 765 768 816 831 960 1020 1024 1088 1108 1152 1224 1280 1360 1385 1440 1530 1536 1632 1662 1920 2040 2176 2216 2304 2448 2493 2560 2720 2770 2880 3060 3072 3264 3324 3840 4080 4155 4352 4432 4608 4709 4896 4986 5120 5440 5540 5760 6120 6528 6648 7680 8160 8310 8704 8864 9216 9418 9792 9972 10880 11080 11520 12240 12465 13056 13296 14127 15360 16320 16620 17408 17728 18836 19584 19944 21760 22160 23040 23545 24480 24930 26112 26592 28254 32640 33240 35456 37672 39168 39888 42381 43520 44320 46080 47090 48960 49860 52224 53184 56508 65280 66480 70635 70912 75344 78336 79776 84762 87040 88640 94180 97920 99720 106368 113016 130560 132960 141270 141824 150688 156672 159552 169524 177280 188360 195840 199440 211905 212736 226032 261120 265920 282540 283648 301376 319104 339048 354560 376720 391680 398880 423810 425472 452064 531840 565080 602752 638208 678096 709120 753440 783360 797760 847620 850944 904128 1063680 1130160 1205504 1276416 1356192 1418240 1506880 1595520 1695240 1808256 2127360 2260320 2411008 2552832 2712384 3013760 3191040 3390480 3616512 4254720 4520640 4822016 5424768 6027520 6382080 6780960 7233024 9041280 10849536 12055040 12764160 13561920 14466048 18082560 21699072 24110080 27123840 36165120 43398144 54247680 72330240 108495360 216990720
- Sum of all divisors σ(n): 798968664
- Sum of proper divisors (its aliquot sum) s(n): 581977944
- 216990720 is an abundant number, because the sum of its proper divisors (581977944) is greater than itself. Its abundance is 364987224
Bases of 216990720
- Binary: 11001110111100000100000000002
- Hexadecimal: 0xCEF0400
- Base-36: 3L6V40
Squares and roots of 216990720
- 216990720 squared (2169907202) is 47084972566118400
- 216990720 cubed (2169907203) is 10217002098302279221248000
-
The
square root of 216990720 is 14730.6048755643 -
The
cube root of 216990720 is 600.9159343955
Scales and comparisons
How big is 216990720?- 216,990,720 seconds is equal to 6 years, 46 weeks, 5 days, 11 hours, 12 minutes.
-
To count from 1 to 216,990,720 would take you about ten years!
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 216990720 cubic inches would be around 50.1 feet tall.
Recreational maths with 216990720
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