31139939 is an odd 8-digits composite number following 31139938
and preceding 31139940 . In scientific notation, it is written as 3.1139939 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 30066120 positive integers (up to 31139939) that are relatively prime to 31139939.
31139939 has 4 divisors, whose sum is 32213760
The reverse of 31139939 is 93993113
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
thirty-one million one hundred thirty-nine thousand nine hundred thirty-nine
Scientific notation
3.1139939 × 10^7
Engineering notation
3.1139939 × 10^6
Prime Factorization
29 × 1073791
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31139939
Product of the distinct prime numbers
The prime factorization of 31139939 is 29 × 1073791.
Since it has a total of 2 prime factors.
1 , 2 , 58 , 5 , 2 , 772 , 9369 , 8045 , 41071 , 62448 , 470698 , 67323 , 5874122 , 1177212 , 98307653 , 62490561 , 749665505 , 640077747 , 8230589486 , 5800517617
n×2
62279878
n×3
93419817
n×4
124559756
n×5
155699695
n÷2
15569969.5
n÷3
10379979.666667
n÷3
7784984.75
n÷5
6227987.8
n2
969695800923721
n3
3.0196268089321E+22
n4
9.403099463291E+29
n5
2.9281194369781E+37
2 √n
5580.3171056849
3 √n
314.61004571594
4 √n
74.701520102906
5 √n
31.52561383693
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
-31139938
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 31139939 can be divided by 4 positive divisors.
The sum of these divisors (counting 31139939) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110110010100001100011
3
Ternary
2011121001222002
4
Quaternary
1312302201203
5
Quinary
30432434224
6
Senary
3031234215
8
Octal
166624143
10
Decimal
31139939
12
Duodecimal
a51896b
16
Hexadecimal
1db2863
20
Vigesimal
9ec9gj
36
Base36
ijfqb
md5
221ea846b0ff22454b716b728197e48c
sha1
c5895aeb51296304d40c298890c691a038a9542e
sha256
b6672dddab2ac881cdc4357f4335b081bc7de98e5d08e8e44e35d7ca3ece4d6d
sha512
2e02ddd71aff6556277d8c01c394ccb33efa3e386381d86ee8817e317e82414314b4b57f4daa2aa739a233b87121299bca0afb8d765c4b393de233c19dc2c81c
ripemd-160
5cecd5575433788098385496d2236ac7a372cc22
Diameter
62279878
Circumference
195658007.19127
Area
3.0463892043988E+15
Volume
1.2648583199365E+23
Surface area
1.2185556817595E+16
Circumference
195658007.19127
Perimeter
124559756
Area
969695800923721
Diagonal
44038524.065271
Surface area
5818174805542326
Volume
3.0196268089321E+22
Space diagonal
53935956.492596
Perimeter
93419817
Area
4.1989059877152E+14
Altitude
26967978.246298
Surface area
4.1989059877152E+14
Volume
3.558664322081E+21
Height
14679508.021757