249542939 is an odd 9-digits composite number following 249542938
and preceding 249542940 . In scientific notation, it is written as 2.49542939 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 236460136 positive integers (up to 249542939) that are relatively prime to 249542939.
249542939 has 8 divisors, whose sum is 262828800
The reverse of 249542939 is 939245942
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred forty-nine million five hundred forty-two thousand nine hundred thirty-nine
Scientific notation
2.49542939 × 10^8
Engineering notation
2.49542939 × 10^6
Prime Factorization
107 × 23 × 101399
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
249542939
Product of the distinct prime numbers
The prime factorization of 249542939 is 107 × 23 × 101399.
Since it has a total of 3 prime factors.
6 , 3 , 59 , 7 , 216 , 702 , 6157 , 4768 , 27894 , 25723 , 770776 , 217463 , 2341248 , 303236 , 19825295 , 87714365 , 227964447 , 348261212 , 2715498105 , 1868749303
n×2
499085878
n×3
748628817
n×4
998171756
n×5
1247714695
n÷2
124771469.5
n÷3
83180979.666667
n÷3
62385734.75
n÷5
49908587.8
n2
62271678404757721
n3
1.5539457645586E+25
n4
3.8777619313456E+33
n5
9.6766810909029E+41
2 √n
15796.928150751
3 √n
629.57638356752
4 √n
125.68583114556
5 √n
47.80012773192
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-249542938
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 249542939 can be divided by 8 positive divisors.
The sum of these divisors (counting 249542939) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110111111011100100011011
3
Ternary
122101120002120002
4
Quaternary
32313323210123
5
Quinary
1002340333224
6
Senary
40432323215
8
Octal
1667734433
10
Decimal
249542939
12
Duodecimal
6b6a350b
16
Hexadecimal
edfb91b
20
Vigesimal
3hjch6j
36
Base36
44kkkb
md5
f1fd0d8be6c1809a7c08fb2f57852e22
sha1
d6273d1f1d9b7e6069b552b5cc9c7ecbeb2ce3e2
sha256
f78736778bce2535c8243183d0894b3ba9ec1f4c8e2e6948780dd3d1692b1d14
sha512
0beda24c167d8da04606670207345c38c0e97a439d83e1d1b641d19d1367c85e19856539d42cef8f16d1590b6673fbe39270586185985c4db3850d10ee509748
ripemd-160
f545002f877c161179a2884e38d3398327f3ed5a
Diameter
499085878
Circumference
1567924527.8352
Area
1.9563224740309E+17
Volume
6.5091527973524E+25
Surface area
7.8252898961237E+17
Circumference
1567924527.8352
Perimeter
998171756
Area
62271678404757721
Diagonal
352907008.72824
Surface area
373630070428546326
Volume
1.5539457645586E+25
Space diagonal
432221049.01806
Perimeter
748628817
Area
2.6964427717408E+16
Altitude
216110524.50903
Surface area
2.6964427717408E+16
Volume
1.8313426461925E+24
Height
117635669.57608