20115631 is an odd 8-digits composite number following 20115630
and preceding 20115632 . In scientific notation, it is written as 2.0115631 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 19873192 positive integers (up to 20115631) that are relatively prime to 20115631.
20115631 has 4 divisors, whose sum is 20358072
The reverse of 20115631 is 13651102
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred fifteen thousand six hundred thirty-one
Scientific notation
2.0115631 × 10^7
Engineering notation
2.0115631 × 10^6
Prime Factorization
83 × 242357
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20115631
Product of the distinct prime numbers
The prime factorization of 20115631 is 83 × 242357.
Since it has a total of 2 prime factors.
4 , 8 , 61 , 100 , 974 , 373 , 8548 , 4282 , 58260 , 76235 , 373389 , 818478 , 8305388 , 1091607 , 28331926 , 72207314 , 351008600 , 602017173 , 9347841011 , 4744172499
n×2
40231262
n×3
60346893
n×4
80462524
n×5
100578155
n÷2
10057815.5
n÷3
6705210.3333333
n÷3
5028907.75
n÷5
4023126.2
n2
404638610528161
n3
8.1395609777372E+21
n4
1.6373240513016E+29
n5
3.2935806443408E+36
2 √n
4485.045261756
3 √n
271.96387477987
4 √n
66.970480525049
5 √n
28.887285392649
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
-20115630
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 20115631 can be divided by 4 positive divisors.
The sum of these divisors (counting 20115631) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101111000010101111
3
Ternary
1101211222110101
4
Quaternary
1030233002233
5
Quinary
20122200011
6
Senary
1555051531
8
Octal
114570257
10
Decimal
20115631
12
Duodecimal
68a0ba7
16
Hexadecimal
132f0af
20
Vigesimal
65e91b
36
Base36
bz5bj
md5
36f985fb608e7f32c2270fa6f7a1c080
sha1
b4233c77b458758f9babae0acb7b1cfbaa321055
sha256
e10d69c37529010ce93f2ce21880cc2cc5207447db4dd59df3963e2b44b62685
sha512
64860c34bcd380cb2b0ff2ecb30b57d125a3a1a566de063e23cd037dd2fa3fc6ad263f490a99a7f1e2f8eca86baee62b5316923edc80d975e799c6922ca1bfb8
ripemd-160
f967b85cd902b753c5afaf092da512543a02a224
Diameter
40231262
Circumference
126390237.14385
Area
1.2712096861941E+15
Volume
3.4094913294807E+22
Surface area
5.0848387447762E+15
Circumference
126390237.14385
Perimeter
80462524
Area
404638610528161
Diagonal
28447798.175893
Surface area
2427831663168966
Volume
8.1395609777372E+21
Space diagonal
34841294.918308
Perimeter
60346893
Area
1.7521365803471E+14
Altitude
17420647.459154
Surface area
1.7521365803471E+14
Volume
9.592564605399E+20
Height
9482599.3919642