31361218 is an even 8-digits composite number following 31361217
and preceding 31361219 . In scientific notation, it is written as 3.1361218 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors.
There are 13114752 positive integers (up to 31361218) that are relatively prime to 31361218.
31361218 has 32 divisors, whose sum is 55085184
The reverse of 31361218 is 81216313
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirty-one million three hundred sixty-one thousand two hundred eighteen
Scientific notation
3.1361218 × 10^7
Engineering notation
3.1361218 × 10^6
Prime Factorization
2 × 7 × 197 × 137 × 83
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
31361218
Product of the distinct prime numbers
The prime factorization of 31361218 is 2 × 7 × 197 × 137 × 83.
Since it has a total of 5 prime factors.
9 , 9 , 36 , 36 , 697 , 291 , 8991 , 8926 , 74607 , 54108 , 687628 , 802241 , 3414667 , 1619982 , 9944556 , 17745595 , 572486128 , 11553772 , 1893899210 , 2521313434
n×2
62722436
n×3
94083654
n×4
125444872
n×5
156806090
n÷2
15680609
n÷3
10453739.333333
n÷3
7840304.5
n÷5
6272243.6
n2
983525994443524
n3
3.084457312041E+22
n4
9.6732338174612E+29
n5
3.0336439451437E+37
2 √n
5600.1087489441
3 √n
315.35348911992
4 √n
74.833874341398
5 √n
31.570290944958
1 , 2 , 7 , 14 , 83 , 137 , 166 , 197 , 274 , 394 , 581 , 959 , 1162 , 1379 , 1918 , 2758 , 11371 , 16351 , 22742 , 26989 , 32702 , 53978 , 79597 , 114457 , 159194 , 188923 , 228914 , 377846 , 2240087 , 4480174 , 15680609 , 31361218
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31361217
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31361218 can be divided by 32 positive divisors.
The sum of these divisors (counting 31361218) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1110111101000100011000010
3
Ternary
2012000022111121
4
Quaternary
1313220203002
5
Quinary
31012024333
6
Senary
3040102454
8
Octal
167504302
10
Decimal
31361218
12
Duodecimal
a604a2a
16
Hexadecimal
1de88c2
20
Vigesimal
9g030i
36
Base36
io6gy
md5
c0b4ed8b4893388084193ecaca04e62a
sha1
e07e81776c7311b13838a53567774eec251a01b0
sha256
ae8830210f1d17a5caac3e13fd2d7b5e0353233546131c8726d17ba198d4c5e2
sha512
03286b263a4dface3afa947867d99e3eb1a946efe9f65090a8091e5ddc1f05f8f6c6499c8e255b7eb55e24b4d8652c8fb94f9dda0d8300e917c1a44891011fce
ripemd-160
0a6ae30414255cfb42a4c72ad7ca77c0a6842d59
Diameter
62722436
Circumference
197048344.15286
Area
3.0898380387584E+15
Volume
1.2920144575759E+23
Surface area
1.2359352155033E+16
Circumference
197048344.15286
Perimeter
125444872
Area
983525994443524
Diagonal
44351459.828139
Surface area
5901155966661144
Volume
3.084457312041E+22
Space diagonal
54319222.963244
Perimeter
94083654
Area
4.2587924823522E+14
Altitude
27159611.481622
Surface area
4.2587924823522E+14
Volume
3.6350678027077E+21
Height
14783819.942713