31139967 is an odd 8-digits composite number following 31139966
and preceding 31139968 . In scientific notation, it is written as 3.1139967 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 20732760 positive integers (up to 31139967) that are relatively prime to 31139967.
31139967 has 8 divisors, whose sum is 41574400
The reverse of 31139967 is 76993113
Previous prime number is 811
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
thirty-one million one hundred thirty-nine thousand nine hundred sixty-seven
Scientific notation
3.1139967 × 10^7
Engineering notation
3.1139967 × 10^6
Prime Factorization
3 × 811 × 12799
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31139967
Product of the distinct prime numbers
The prime factorization of 31139967 is 3 × 811 × 12799.
Since it has a total of 3 prime factors.
4 , 2 , 44 , 72 , 382 , 920 , 5901 , 6979 , 30085 , 52625 , 608339 , 858269 , 3826305 , 8882446 , 54229213 , 21645259 , 856069104 , 222416543 , 4012507510 , 4233202811
n×2
62279934
n×3
93419901
n×4
124559868
n×5
155699835
n÷2
15569983.5
n÷3
10379989
n÷3
7784991.75
n÷5
6227993.4
n2
969697544761089
n3
3.0196349543841E+22
n4
9.4031332831568E+29
n5
2.9281326013411E+37
2 √n
5580.3196145024
3 √n
314.61014001155
4 √n
74.701536895183
5 √n
31.525619506286
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
-31139966
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 31139967 can be divided by 8 positive divisors.
The sum of these divisors (counting 31139967) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110110010100001111111
3
Ternary
2011121002000010
4
Quaternary
1312302201333
5
Quinary
30432434332
6
Senary
3031234303
8
Octal
166624177
10
Decimal
31139967
12
Duodecimal
a518993
16
Hexadecimal
1db287f
20
Vigesimal
9ec9i7
36
Base36
ijfr3
md5
17f233b8dc505c7f838c5cf626fb6cd6
sha1
d83102e65d2c8f1fa57ae01705a3618f35d4dea8
sha256
2dc66d815a4ce42974b4ccc817755c03fc908d6fe95df1993d840a78982ce5c4
sha512
209d3506d316117a725b7127f011bc27a8c812f707fdd30bdd80e51aaa295a120fe4b5405a276fbb9de7e2dfe7c8f610ac2b5a3f500136d6f3fb5a7b830730e5
ripemd-160
74ec0b4d864c36bf9d93c4477ce8fd20b31af82d
Diameter
62279934
Circumference
195658183.12046
Area
3.0463946828255E+15
Volume
1.2648617318955E+23
Surface area
1.2185578731302E+16
Circumference
195658183.12046
Perimeter
124559868
Area
969697544761089
Diagonal
44038563.663251
Surface area
5818185268566534
Volume
3.0196349543841E+22
Space diagonal
53936004.990018
Perimeter
93419901
Area
4.1989135387525E+14
Altitude
26968002.495009
Surface area
4.1989135387525E+14
Volume
3.5586739215883E+21
Height
14679521.221084