20155531 is an odd 8-digits composite number following 20155530
and preceding 20155532 . In scientific notation, it is written as 2.0155531 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 18250920 positive integers (up to 20155531) that are relatively prime to 20155531.
20155531 has 8 divisors, whose sum is 22074624
The reverse of 20155531 is 13555102
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred fifty-five thousand five hundred thirty-one
Scientific notation
2.0155531 × 10^7
Engineering notation
2.0155531 × 10^6
Prime Factorization
11 × 263 × 6967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20155531
Product of the distinct prime numbers
The prime factorization of 20155531 is 11 × 263 × 6967.
Since it has a total of 3 prime factors.
2 , 5 , 13 , 100 , 432 , 116 , 9691 , 5658 , 94143 , 97460 , 344741 , 684226 , 4192900 , 2522153 , 94935103 , 35598182 , 329799130 , 442619685 , 5656538289 , 3601168276
n×2
40311062
n×3
60466593
n×4
80622124
n×5
100777655
n÷2
10077765.5
n÷3
6718510.3333333
n÷3
5038882.75
n÷5
4031106.2
n2
406245429891961
n3
8.1880923557957E+21
n4
1.650353493081E+29
n5
3.3263750990753E+36
2 √n
4489.4911738414
3 √n
272.14357237966
4 √n
67.003665376167
5 √n
28.898736082754
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20155530
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20155531 can be divided by 8 positive divisors.
The sum of these divisors (counting 20155531) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111000110010001011
3
Ternary
1101221000012011
4
Quaternary
1030320302023
5
Quinary
20124434111
6
Senary
2000000351
8
Octal
114706213
10
Decimal
20155531
12
Duodecimal
69000b7
16
Hexadecimal
1338c8b
20
Vigesimal
65j8gb
36
Base36
c003v
md5
aa7c9b56ec2c92cd637edb6680bc1627
sha1
803c4e888747aa31606a3cc57fa41c920b4715f0
sha256
7463b834022e1af5929b3de06b756b41d44609cbaa9e89319f55c59e6027aff9
sha512
e6eacfb766658c9daf5ceb729e769c7260ab08c19447ddec74a6f73455154e2c8f23b3b69f2353f882e8decbb8caf67df7c6dae048276e1ddd275bb7b18817a1
ripemd-160
3183a2ec089de77982f0ba8774d826d39017858b
Diameter
40311062
Circumference
126640936.2376
Area
1.276257658103E+15
Volume
3.4298201055844E+22
Surface area
5.105030632412E+15
Circumference
126640936.2376
Perimeter
80622124
Area
406245429891961
Diagonal
28504225.297031
Surface area
2437472579351766
Volume
8.1880923557957E+21
Space diagonal
34910403.74553
Perimeter
60466593
Area
1.7590943122888E+14
Altitude
17455201.872765
Surface area
1.7590943122888E+14
Volume
9.6497593829415E+20
Height
9501408.4323438