31361868 is an even 8-digits composite number following 31361867
and preceding 31361869 . In scientific notation, it is written as 3.1361868 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 10453944 positive integers (up to 31361868) that are relatively prime to 31361868.
31361868 has 12 divisors, whose sum is 60981480
The reverse of 31361868 is 86816313
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
thirty-one million three hundred sixty-one thousand eight hundred sixty-eight
Scientific notation
3.1361868 × 10^7
Engineering notation
3.1361868 × 10^6
Prime Factorization
2 × 2 × 9 × 871163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15680934
Product of the distinct prime numbers
The prime factorization of 31361868 is 2 × 2 × 9 × 871163.
Since it has a total of 4 prime factors.
3 , 9 , 13 , 84 , 970 , 944 , 6938 , 7681 , 51769 , 31268 , 578640 , 13892 , 8797443 , 8477434 , 67679236 , 16571736 , 798951732 , 65246438 , 7739173530 , 7789711972
n×2
62723736
n×3
94085604
n×4
125447472
n×5
156809340
n÷2
15680934
n÷3
10453956
n÷3
7840467
n÷5
6272373.6
n2
983566764449424
n3
3.084649103585E+22
n4
9.6740358012951E+29
n5
3.0339583382749E+37
2 √n
5600.1667832307
3 √n
315.3556678018
4 √n
74.834262094516
5 √n
31.570421810532
1 , 2 , 4 , 9 , 18 , 36 , 871163 , 1742326 , 3484652 , 7840467 , 15680934 , 31361868
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31361867
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31361868 can be divided by 12 positive divisors.
The sum of these divisors (counting 31361868) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110111101000101101001100
3
Ternary
2012000100101200
4
Quaternary
1313220231030
5
Quinary
31012034433
6
Senary
3040105500
8
Octal
167505514
10
Decimal
31361868
12
Duodecimal
a605290
16
Hexadecimal
1de8b4c
20
Vigesimal
9g04d8
36
Base36
io6z0
md5
4a5b9473f886febacbea5f15eab9af9d
sha1
b0918968384d750ba9b2f029fd3f1e68bbf448a3
sha256
45ad5984032299dc670cf6bd58e256e123a3ab44bf4b4834e3d78093f9072774
sha512
1c52ca740946b18c348637d1d597b4f6f9468e4174c103d55892ff4dd0fcccdb6152547fb633f21df994ea5cc31a351d0ac30a2a8e4fb02bc3863858463b8ca0
ripemd-160
e1074d8fcd75825445c64567517f0dd00fbaa9a2
Diameter
62723736
Circumference
197052428.22331
Area
3.0899661215094E+15
Volume
1.29209479503E+23
Surface area
1.2359864486038E+16
Circumference
197052428.22331
Perimeter
125447472
Area
983566764449424
Diagonal
44352379.066955
Surface area
5901400586696544
Volume
3.084649103585E+22
Space diagonal
54320348.796269
Perimeter
94085604
Area
4.2589690216563E+14
Altitude
27160174.398134
Surface area
4.2589690216563E+14
Volume
3.6352938312099E+21
Height
14784126.355652