31361691 is an odd 8-digits composite number following 31361690
and preceding 31361692 . In scientific notation, it is written as 3.1361691 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 20907792 positive integers (up to 31361691) that are relatively prime to 31361691.
31361691 has 4 divisors, whose sum is 41815592
The reverse of 31361691 is 19616313
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirty-one million three hundred sixty-one thousand six hundred ninety-one
Scientific notation
3.1361691 × 10^7
Engineering notation
3.1361691 × 10^6
Prime Factorization
3 × 10453897
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31361691
Product of the distinct prime numbers
The prime factorization of 31361691 is 3 × 10453897.
Since it has a total of 2 prime factors.
6 , 9 , 31 , 27 , 323 , 455 , 739 , 426 , 97513 , 72657 , 137414 , 654670 , 7536501 , 2949908 , 53173396 , 13538063 , 711128634 , 568763601 , 3794400028 , 9271294224
n×2
62723382
n×3
94085073
n×4
125446764
n×5
156808455
n÷2
15680845.5
n÷3
10453897
n÷3
7840422.75
n÷5
6272338.2
n2
983555662379481
n3
3.0845968764846E+22
n4
9.6738174099874E+29
n5
3.0338727240245E+37
2 √n
5600.1509801076
3 √n
315.35507453295
4 √n
74.834156506956
5 √n
31.570386175044
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
-31361690
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 31361691 can be divided by 4 positive divisors.
The sum of these divisors (counting 31361691) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111101000101010011011
3
Ternary
2012000100011010
4
Quaternary
1313220222123
5
Quinary
31012033231
6
Senary
3040105003
8
Octal
167505233
10
Decimal
31361691
12
Duodecimal
a605163
16
Hexadecimal
1de8a9b
20
Vigesimal
9g044b
36
Base36
io6u3
md5
db221e762aa645c02f4f3e99ddf1347d
sha1
1548b6cd82d3141f6e4d3f3e2970e64317a5fd0e
sha256
f367aad6efce71c98d48e8dfcc8f6402eca40e7ca2d32ef3e22daab12d250342
sha512
270e6014b75db789cc9c91c98fb809108a9f7152eec42fe3c35787113bb7d0f6f7fbab25549fa59d2e7a39052ce7734c2070c6f9cd0ba8453fd6f265b329bc38
ripemd-160
2522894b97690b897bedd2568aee7d71583e6c83
Diameter
62723382
Circumference
197051316.09951
Area
3.089931243328E+15
Volume
1.2920729181933E+23
Surface area
1.2359724973312E+16
Circumference
197051316.09951
Perimeter
125446764
Area
983555662379481
Diagonal
44352128.751154
Surface area
5901333974276886
Volume
3.0845968764846E+22
Space diagonal
54320042.223276
Perimeter
94085073
Area
4.2589209482833E+14
Altitude
27160021.111638
Surface area
4.2589209482833E+14
Volume
3.6352322809818E+21
Height
14784042.917051