642730908 is an even 9-digits composite number following 642730907
and preceding 642730909 . In scientific notation, it is written as 6.42730908 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 211225840 positive integers (up to 642730908) that are relatively prime to 642730908.
642730908 has 24 divisors, whose sum is 1520830080
The reverse of 642730908 is 809037246
Previous prime number is 71
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred forty-two million seven hundred thirty thousand nine hundred eight
Scientific notation
6.42730908 × 10^8
Engineering notation
6.42730908 × 10^6
Prime Factorization
2 × 2 × 3 × 71 × 754379
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
321365454
Product of the distinct prime numbers
The prime factorization of 642730908 is 2 × 2 × 3 × 71 × 754379.
Since it has a total of 5 prime factors.
2 , 5 , 3 , 74 , 169 , 294 , 3741 , 9312 , 76620 , 32432 , 499923 , 8346 , 1885943 , 8093004 , 14099240 , 88782145 , 426616207 , 847889036 , 2244168783 , 714414606
n×2
1285461816
n×3
1928192724
n×4
2570923632
n×5
3213654540
n÷2
321365454
n÷3
214243636
n÷3
160682727
n÷5
128546181.6
n2
413103020098504464
n3
2.6551407920545E+26
n4
1.7065410521451E+35
n5
1.0968466799845E+44
2 √n
25352.138134682
3 √n
862.99787897919
4 √n
159.22354767647
5 √n
57.757160901572
1 , 2 , 3 , 4 , 6 , 12 , 71 , 142 , 213 , 284 , 426 , 852 , 754379 , 1508758 , 2263137 , 3017516 , 4526274 , 9052548 , 53560909 , 107121818 , 160682727 , 214243636 , 321365454 , 642730908
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642730907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642730908 can be divided by 24 positive divisors.
The sum of these divisors (counting 642730908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110010011110100101110011100
3
Ternary
1122210102010001110
4
Quaternary
212103310232130
5
Quinary
2304014342113
6
Senary
143435542020
8
Octal
4623645634
10
Decimal
642730908
12
Duodecimal
15b2ba910
16
Hexadecimal
264f4b9c
20
Vigesimal
a0h1758
36
Base36
amnycc
md5
376c1ef505debef96e07a8bc2c20819a
sha1
5ec20320ea3eaf90b9d073bb868042befb4423c4
sha256
010ca0a02955bc89ec019d0acc3e0a656c0c0fdfc4e8d0cd1dcee3476922c5f7
sha512
c5a7223bf8c5e5c6f865583b0841cf456198134b722258fc5b04df2f1f5b2110c78686802cf384f29a40cf36856ebcd4f52c301bca48af4a423448b26a8ead31
ripemd-160
4fbd9b19a3047c489c069dcd9dd00c333dabc030
Diameter
1285461816
Circumference
4038397397.6158
Area
1.2978014131172E+18
Volume
1.1121827742087E+27
Surface area
5.1912056524689E+18
Circumference
4038397397.6158
Perimeter
2570923632
Area
413103020098504464
Diagonal
908958767.04997
Surface area
2478618120591026784
Volume
2.6551407920545E+26
Space diagonal
1113242588.2509
Perimeter
1928192724
Area
1.7887885489269E+17
Altitude
556621294.12544
Surface area
1.7887885489269E+17
Volume
3.129113431778E+25
Height
302986255.68332