31438081 is an odd 8-digits prime number following 31438080
and preceding 31438082 . In scientific notation, it is written as 3.1438081 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 31438080 positive integers (up to 31438081) that are relatively prime to 31438081.
31438081 has 2 divisors, whose sum is 31438082
The reverse of 31438081 is 18083413
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty-one million four hundred thirty-eight thousand eighty-one
Scientific notation
3.1438081 × 10^7
Engineering notation
3.1438081 × 10^6
Prime Factorization
31438081
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
31438081
Product of the distinct prime numbers
The prime factorization of 31438081 is 31438081.
Since it has a total of 1 prime factors.
10 , 7 , 65 , 88 , 168 , 6 , 6092 , 2533 , 33735 , 97923 , 588657 , 972092 , 7510790 , 8759193 , 85690763 , 26015848 , 438041052 , 510805248 , 5907245907 , 5310416602
n×2
62876162
n×3
94314243
n×4
125752324
n×5
157190405
n÷2
15719040.5
n÷3
10479360.333333
n÷3
7859520.25
n÷5
6287616.2
n2
988352936962561
n3
3.1071919688817E+22
n4
9.7684152800252E+29
n5
3.0710023081507E+37
2 √n
5606.9671837813
3 √n
315.61091151701
4 √n
74.879684720098
5 √n
31.585750879215
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
31438082
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15719041
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5606.967272956
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999363829
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31438081 can be divided by 2 positive divisors.
The sum of these divisors (counting 31438081) is 31438082, the average is 15719041.
Base
System
Value
2
Binary
1110111111011010100000001
3
Ternary
2012011012221101
4
Quaternary
1313323110001
5
Quinary
31022004311
6
Senary
3041454401
8
Octal
167732401
10
Decimal
31438081
12
Duodecimal
a641401
16
Hexadecimal
1dfb501
20
Vigesimal
9g9f41
36
Base36
ipts1
md5
d668138c60cb5073b71b36af26f92109
sha1
1e73793e1a47e29d48c03785670bc3d7b834e88e
sha256
ccb86cfad1dbf4b3b793db62c3154b9bc4486c19317bbc8d13ac75d4475fd727
sha512
4b1568565ee742596516b4d913021f8ca1511cd46536ec7770fff48046ed650abd1707ff3af044ec33b5fc5acc4ffd85d7dc30f8c5d6c3532f48b4aa712dd667
ripemd-160
d5e920b97c35651c91c2c4f9029c5a229f68a896
Diameter
62876162
Circumference
197531288.62512
Area
3.1050023259155E+15
Volume
1.3015375283643E+23
Surface area
1.2420009303662E+16
Circumference
197531288.62512
Perimeter
125752324
Area
988352936962561
Diagonal
44460160.525184
Surface area
5930117621775366
Volume
3.1071919688817E+22
Space diagonal
54452353.584466
Perimeter
94314243
Area
4.2796937565727E+14
Altitude
27226176.792233
Surface area
4.2796937565727E+14
Volume
3.661860852741E+21
Height
14820053.508395