38642942 is an even 8-digits composite number following 38642941
and preceding 38642943 . In scientific notation, it is written as 3.8642942 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 17835192 positive integers (up to 38642942) that are relatively prime to 38642942.
38642942 has 8 divisors, whose sum is 62423256
The reverse of 38642942 is 24924683
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
thirty-eight million six hundred forty-two thousand nine hundred forty-two
Scientific notation
3.8642942 × 10^7
Engineering notation
3.8642942 × 10^6
Prime Factorization
2 × 13 × 1486267
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
38642942
Product of the distinct prime numbers
The prime factorization of 38642942 is 2 × 13 × 1486267.
Since it has a total of 3 prime factors.
4 , 7 , 2 , 4 , 228 , 327 , 1185 , 5487 , 43942 , 58984 , 283852 , 263700 , 4641409 , 5883704 , 71099433 , 52228328 , 745135175 , 917892335 , 1828374666 , 2401803269
n×2
77285884
n×3
115928826
n×4
154571768
n×5
193214710
n÷2
19321471
n÷3
12880980.666667
n÷3
9660735.5
n÷5
7728588.4
n2
1493276966415364
n3
5.7704615203125E+22
n4
2.2298760984267E+30
n5
8.6168972738688E+37
2 √n
6216.3447459098
3 √n
338.08304741313
4 √n
78.843799666872
5 √n
32.91652925673
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
-38642941
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 38642942 can be divided by 8 positive divisors.
The sum of these divisors (counting 38642942) is 1, the average is 0.125.
Base
System
Value
2
Binary
10010011011010010011111110
3
Ternary
2200201021011002
4
Quaternary
2103122103332
5
Quinary
34343033232
6
Senary
3500130302
8
Octal
223322376
10
Decimal
38642942
12
Duodecimal
10b36992
16
Hexadecimal
24da4fe
20
Vigesimal
c1a772
36
Base36
n0932
md5
25232bcc228e95fff9e089580c422a57
sha1
deb0d827f773513e6d26cbd7a1fae5991a382b8d
sha256
101781fac87374377e591d778a5c35355d2a5a131d5b17a91c67e24a04c7f972
sha512
5c28786208a436c41d6720907a83da8417f6205c63ea0967bc37d9d38ecba465a8e07c73a9116ca17a96b696adfcf19147dcde169023907ff1d7b59636dd9aa0
ripemd-160
14e92f5760b97479061ba32fe9bfb11f33a951c9
Diameter
77285884
Circumference
242800765.40059
Area
4.6912679474654E+15
Volume
2.4171252693382E+23
Surface area
1.8765071789861E+16
Circumference
242800765.40059
Perimeter
154571768
Area
1493276966415364
Diagonal
54649372.666397
Surface area
8959661798492184
Volume
5.7704615203125E+22
Space diagonal
66931538.897937
Perimeter
115928826
Area
6.4660789390093E+14
Altitude
33465769.448969
Surface area
6.4660789390093E+14
Volume
6.800554119315E+21
Height
18216457.555466