20145155 is an odd 8-digits composite number following 20145154
and preceding 20145156 . In scientific notation, it is written as 2.0145155 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 16116120 positive integers (up to 20145155) that are relatively prime to 20145155.
20145155 has 4 divisors, whose sum is 24174192
The reverse of 20145155 is 55154102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred forty-five thousand one hundred fifty-five
Scientific notation
2.0145155 × 10^7
Engineering notation
2.0145155 × 10^6
Prime Factorization
5 × 4029031
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20145155
Product of the distinct prime numbers
The prime factorization of 20145155 is 5 × 4029031.
Since it has a total of 2 prime factors.
6 , 3 , 7 , 38 , 249 , 513 , 3005 , 5720 , 37267 , 11599 , 580578 , 864400 , 7012558 , 7440988 , 83573459 , 61403042 , 751168171 , 330772374 , 3230766214 , 2433123069
n×2
40290310
n×3
60435465
n×4
80580620
n×5
100725775
n÷2
10072577.5
n÷3
6715051.6666667
n÷3
5036288.75
n÷5
4029031
n2
405827269974025
n3
8.1754532568536E+21
n4
1.6469577305457E+29
n5
3.3178218760291E+36
2 √n
4488.3354375537
3 √n
272.09686482992
4 √n
66.995040395194
5 √n
28.895760075324
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
-20145154
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 20145155 can be divided by 4 positive divisors.
The sum of these divisors (counting 20145155) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110010000000011
3
Ternary
1101220110221212
4
Quaternary
1030312100003
5
Quinary
20124121110
6
Senary
1555440335
8
Octal
114662003
10
Decimal
20145155
12
Duodecimal
68b60ab
16
Hexadecimal
1336403
20
Vigesimal
65i2hf
36
Base36
bzs3n
md5
c6a0903a5df73882e31bbf5a7a6a5137
sha1
3e6e3078e4236511550e268fb9ebc2dd5410d3f3
sha256
2024783ab9c898a0d9e50be947aa95bbd09d834df6e4395cfa4afdc738a87be4
sha512
874dab8b7c26c03b49353be528dd756af3e5571e7c0ae3c0ce2adf2ccec79bb15ecaf16335c3dddc393c1cfb76656de3b64bdf0af7e28f8a694a8f627f0c7b78
ripemd-160
b99b07569d0f98a71ee8db376fc274dfb20ad67d
Diameter
40290310
Circumference
126575741.90686
Area
1.2749439699768E+15
Volume
3.4245258521997E+22
Surface area
5.0997758799072E+15
Circumference
126575741.90686
Perimeter
80580620
Area
405827269974025
Diagonal
28489551.417108
Surface area
2434963619844150
Volume
8.1754532568536E+21
Space diagonal
34892431.98635
Perimeter
60435465
Area
1.75728362673E+14
Altitude
17446215.993175
Surface area
1.75728362673E+14
Volume
9.6348640619914E+20
Height
9496517.1390361