31139942 is an even 8-digits composite number following 31139941
and preceding 31139943 . In scientific notation, it is written as 3.1139942 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 15569970 positive integers (up to 31139942) that are relatively prime to 31139942.
31139942 has 4 divisors, whose sum is 46709916
The reverse of 31139942 is 24993113
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirty-one million one hundred thirty-nine thousand nine hundred forty-two
Scientific notation
3.1139942 × 10^7
Engineering notation
3.1139942 × 10^6
Prime Factorization
2 × 15569971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31139942
Product of the distinct prime numbers
The prime factorization of 31139942 is 2 × 15569971.
Since it has a total of 2 prime factors.
3 , 6 , 1 , 87 , 504 , 213 , 6392 , 2404 , 19398 , 44843 , 313344 , 202371 , 2211795 , 350685 , 36619162 , 60779703 , 545858557 , 44872515 , 1155097225 , 2080221188
n×2
62279884
n×3
93419826
n×4
124559768
n×5
155699710
n÷2
15569971
n÷3
10379980.666667
n÷3
7784985.5
n÷5
6227988.4
n2
969695987763364
n3
3.0196276816584E+22
n4
9.4031030868437E+29
n5
2.9281208474433E+37
2 √n
5580.3173744869
3 √n
314.61005581905
4 √n
74.70152190208
5 √n
31.525614444362
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31139941
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31139942 can be divided by 4 positive divisors.
The sum of these divisors (counting 31139942) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110110010100001100110
3
Ternary
2011121001222012
4
Quaternary
1312302201212
5
Quinary
30432434232
6
Senary
3031234222
8
Octal
166624146
10
Decimal
31139942
12
Duodecimal
a518972
16
Hexadecimal
1db2866
20
Vigesimal
9ec9h2
36
Base36
ijfqe
md5
d6c31d0eae04c0ed49a0acf16b2194a0
sha1
bfe8041f80bcc3abe168e013e87a0f4045bc3c5e
sha256
210c36d68a122413cfe32b7097d37a85916d120077ca85e5cc98ffc959d32b8c
sha512
4d62b0b6c215a40d8a07e5386449a36a247844a3863124f32ff901c9fa116a3e8d2d606d569cb39c4dae2760b1bb2d1692b4578f28f02884ce2b5fa0520392ef
ripemd-160
e560733fe99181ef3cf46063f0a0b50677ae80ca
Diameter
62279884
Circumference
195658026.04082
Area
3.0463897913729E+15
Volume
1.2648586855032E+23
Surface area
1.2185559165492E+16
Circumference
195658026.04082
Perimeter
124559768
Area
969695987763364
Diagonal
44038528.307912
Surface area
5818175926580184
Volume
3.0196276816584E+22
Space diagonal
53935961.688748
Perimeter
93419826
Area
4.1989067967546E+14
Altitude
26967980.844374
Surface area
4.1989067967546E+14
Volume
3.5586653505988E+21
Height
14679509.435971