216420720
216,420,720 is an even composite number composed of six prime numbers multiplied together.
216420720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 216420720:
24 × 3 × 5 × 43 × 67 × 313
(2 × 2 × 2 × 2 × 3 × 5 × 43 × 67 × 313)See below for interesting mathematical facts about the number 216420720 from the Numbermatics database.
Names of 216420720
- Cardinal: 216420720 can be written as Two hundred sixteen million, four hundred twenty thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.1642072 × 108
Factors of 216420720
Divisors of 216420720
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 43 48 60 67 80 86 120 129 134 172 201 215 240 258 268 313 335 344 402 430 516 536 626 645 670 688 804 860 939 1005 1032 1072 1252 1290 1340 1565 1608 1720 1878 2010 2064 2504 2580 2680 2881 3130 3216 3440 3756 4020 4695 5008 5160 5360 5762 6260 7512 8040 8643 9390 10320 11524 12520 13459 14405 15024 16080 17286 18780 20971 23048 25040 26918 28810 34572 37560 40377 41942 43215 46096 53836 57620 62913 67295 69144 75120 80754 83884 86430 104855 107672 115240 125826 134590 138288 161508 167768 172860 201885 209710 215344 230480 251652 269180 314565 323016 335536 345720 403770 419420 503304 538360 629130 646032 691440 807540 838840 901753 1006608 1076720 1258260 1615080 1677680 1803506 2516520 2705259 3230160 3607012 4508765 5033040 5410518 7214024 9017530 10821036 13526295 14428048 18035060 21642072 27052590 36070120 43284144 54105180 72140240 108210360 216420720
- Sum of all divisors σ(n): 698979072
- Sum of proper divisors (its aliquot sum) s(n): 482558352
- 216420720 is an abundant number, because the sum of its proper divisors (482558352) is greater than itself. Its abundance is 266137632
Bases of 216420720
- Binary: 11001110011001010001011100002
- Hexadecimal: 0xCE65170
- Base-36: 3KUNAO
Squares and roots of 216420720
- 216420720 squared (2164207202) is 46837928045318400
- 216420720 cubed (2164207203) is 10136698110876000757248000
-
The
square root of 216420720 is 14711.2446788163 -
The
cube root of 216420720 is 600.3893029063
Scales and comparisons
How big is 216420720?- 216,420,720 seconds is equal to 6 years, 45 weeks, 5 days, 20 hours, 52 minutes.
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To count from 1 to 216,420,720 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 216420720 cubic inches would be around 50 feet tall.
Recreational maths with 216420720
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