221289984
221,289,984 is an even composite number composed of three prime numbers multiplied together.
221289984 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 221289984:
29 × 32 × 48023
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 48023)See below for interesting mathematical facts about the number 221289984 from the Numbermatics database.
Names of 221289984
- Cardinal: 221289984 can be written as Two hundred twenty-one million, two hundred eighty-nine thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 2.21289984 × 108
Factors of 221289984
Divisors of 221289984
- Number of divisors d(n): 60
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1152 1536 2304 4608 48023 96046 144069 192092 288138 384184 432207 576276 768368 864414 1152552 1536736 1728828 2305104 3073472 3457656 4610208 6146944 6915312 9220416 12293888 13830624 18440832 24587776 27661248 36881664 55322496 73763328 110644992 221289984
- Sum of all divisors σ(n): 638671176
- Sum of proper divisors (its aliquot sum) s(n): 417381192
- 221289984 is an abundant number, because the sum of its proper divisors (417381192) is greater than itself. Its abundance is 196091208
Bases of 221289984
- Binary: 11010011000010011110000000002
- Hexadecimal: 0xD309E00
- Base-36: 3NR0G0
Squares and roots of 221289984
- 221289984 squared (2212899842) is 48969257018720256
- 221289984 cubed (2212899843) is 10836406102164493150715904
-
The
square root of 221289984 is 14875.8187673821 -
The
cube root of 221289984 is 604.8586824727
Scales and comparisons
How big is 221289984?- 221,289,984 seconds is equal to 7 years, 1 week, 6 days, 5 hours, 26 minutes, 24 seconds.
-
To count from 1 to 221,289,984 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 221289984 cubic inches would be around 50.4 feet tall.
Recreational maths with 221289984
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