31139972 is an even 8-digits composite number following 31139971
and preceding 31139973 . In scientific notation, it is written as 3.1139972 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 15569984 positive integers (up to 31139972) that are relatively prime to 31139972.
31139972 has 6 divisors, whose sum is 54494958
The reverse of 31139972 is 27993113
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
thirty-one million one hundred thirty-nine thousand nine hundred seventy-two
Scientific notation
3.1139972 × 10^7
Engineering notation
3.1139972 × 10^6
Prime Factorization
2 × 2 × 7784993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
15569986
Product of the distinct prime numbers
The prime factorization of 31139972 is 2 × 2 × 7784993.
Since it has a total of 3 prime factors.
2 , 2 , 28 , 31 , 708 , 149 , 2203 , 3950 , 35328 , 34775 , 931609 , 952026 , 3557984 , 85662 , 16056237 , 59899043 , 603747631 , 740441145 , 9078350721 , 2866410077
n×2
62279944
n×3
93419916
n×4
124559888
n×5
155699860
n÷2
15569986
n÷3
10379990.666667
n÷3
7784993
n÷5
6227994.4
n2
969697856160784
n3
3.0196364089307E+22
n4
9.4031393224282E+29
n5
2.9281349521251E+37
2 √n
5580.3200625054
3 √n
314.61015685005
4 √n
74.701539893803
5 √n
31.52562051867
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31139971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31139972 can be divided by 6 positive divisors.
The sum of these divisors (counting 31139972) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1110110110010100010000100
3
Ternary
2011121002000022
4
Quaternary
1312302202010
5
Quinary
30432434342
6
Senary
3031234312
8
Octal
166624204
10
Decimal
31139972
12
Duodecimal
a518998
16
Hexadecimal
1db2884
20
Vigesimal
9ec9ic
36
Base36
ijfr8
md5
0ec672df82ab00b4c827649600b6a4f0
sha1
c99cc5a6069c8766492b2d73002c4282e9a08c6b
sha256
7b271bb31f570dc58bf895f760d067cee298755a97f95ac6c958b48ed5e23a64
sha512
4a6a740c4171ffe65b0e37acc641f83220a30eff3153d32d8af32800d3dbb0b6dc75e6c815dc85367a92827e9534e62f8e381535f58d920a389fb17c786783e2
ripemd-160
31d012f12f09e1ac949d75bda322406653743843
Diameter
62279944
Circumference
195658214.53638
Area
3.0463956611165E+15
Volume
1.2648623411745E+23
Surface area
1.2185582644466E+16
Circumference
195658214.53638
Perimeter
124559888
Area
969697856160784
Diagonal
44038570.734318
Surface area
5818187136964704
Volume
3.0196364089307E+22
Space diagonal
53936013.650272
Perimeter
93419916
Area
4.1989148871527E+14
Altitude
26968006.825136
Surface area
4.1989148871527E+14
Volume
3.5586756357878E+21
Height
14679523.578106