40286428
40,286,428 is an even composite number composed of five prime numbers multiplied together.
40286428 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 40286428:
22 × 72 × 13 × 97 × 163
(2 × 2 × 7 × 7 × 13 × 97 × 163)See below for interesting mathematical facts about the number 40286428 from the Numbermatics database.
Names of 40286428
- Cardinal: 40286428 can be written as Forty million, two hundred eighty-six thousand, four hundred twenty-eight.
Scientific notation
- Scientific notation: 4.0286428 × 107
Factors of 40286428
Divisors of 40286428
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 7 13 14 26 28 49 52 91 97 98 163 182 194 196 326 364 388 637 652 679 1141 1261 1274 1358 2119 2282 2522 2548 2716 4238 4564 4753 5044 7987 8476 8827 9506 14833 15811 15974 17654 19012 29666 31622 31948 35308 59332 61789 63244 103831 110677 123578 205543 207662 221354 247156 411086 415324 442708 774739 822172 1438801 1549478 2877602 3098956 5755204 10071607 20143214 40286428
- Sum of all divisors σ(n): 89778192
- Sum of proper divisors (its aliquot sum) s(n): 49491764
- 40286428 is an abundant number, because the sum of its proper divisors (49491764) is greater than itself. Its abundance is 9205336
Bases of 40286428
- Binary: 100110011010111000110111002
- Hexadecimal: 0x266B8DC
- Base-36: NZH7G
Squares and roots of 40286428
- 40286428 squared (402864282) is 1622996280999184
- 40286428 cubed (402864283) is 65384722818741394274752
-
The
square root of 40286428 is 6347.1590495277 -
The
cube root of 40286428 is 342.8095569209
Scales and comparisons
How big is 40286428?- 40,286,428 seconds is equal to 1 year, 14 weeks, 4 days, 6 hours, 40 minutes, 28 seconds.
-
To count from 1 to 40,286,428 would take you about forty-seven 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 40286428 cubic inches would be around 28.6 feet tall.
Recreational maths with 40286428
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