20155450 is an even 8-digits composite number following 20155449
and preceding 20155451 . In scientific notation, it is written as 2.0155450 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors.
There are 6910320 positive integers (up to 20155450) that are relatively prime to 20155450.
20155450 has 16 divisors, whose sum is 35934912
The reverse of 20155450 is 05455102
Previous prime number is 25
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred fifty-five thousand four hundred fifty
Scientific notation
2.0155450 × 10^7
Engineering notation
2.0155450 × 10^6
Prime Factorization
2 × 7 × 25 × 57587
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20155450
Product of the distinct prime numbers
The prime factorization of 20155450 is 2 × 7 × 25 × 57587.
Since it has a total of 4 prime factors.
8 , 8 , 3 , 67 , 852 , 196 , 2457 , 7005 , 36695 , 2044 , 997801 , 868166 , 4076649 , 9216850 , 62423242 , 55939413 , 688432722 , 189386999 , 6522481945 , 179719534
n×2
40310900
n×3
60466350
n×4
80621800
n×5
100777250
n÷2
10077725
n÷3
6718483.3333333
n÷3
5038862.5
n÷5
4031090
n2
406242164702500
n3
8.187993638553E+21
n4
1.6503269638217E+29
n5
3.3263082602961E+36
2 √n
4489.4821527655
3 √n
272.14320782036
4 √n
67.003598058354
5 √n
28.898712855369
1 , 2 , 7 , 14 , 25 , 50 , 175 , 350 , 57587 , 115174 , 403109 , 806218 , 1439675 , 2879350 , 10077725 , 20155450
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20155449
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20155450 can be divided by 16 positive divisors.
The sum of these divisors (counting 20155450) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111000110000111010
3
Ternary
1101221000002011
4
Quaternary
1030320300322
5
Quinary
20124433300
6
Senary
2000000134
8
Octal
114706072
10
Decimal
20155450
12
Duodecimal
690004a
16
Hexadecimal
1338c3a
20
Vigesimal
65j8ca
36
Base36
c001m
md5
c37450f99511a23401162f273cff61b7
sha1
5acf7be35da4903ec33397471a55d86e15e2074f
sha256
25c4060837b48a221036fe5d707bc7f9ae1687156972406ca11d51e2e5f3e719
sha512
6f6af0ca4a375e48f7cb25655f6d96fcb7705b7e5cd1b2ccf4adddd7a3e99fb66f1c03be447a3c4efe096822aa3bdb13489cd3f19c1e86fd9ffb479cd4308e53
ripemd-160
abc60e7066d12402951fe3100d5f90e9e4c8fde7
Diameter
40310900
Circumference
126640427.29959
Area
1.2762474002078E+15
Volume
3.4297787550024E+22
Surface area
5.1049896008312E+15
Circumference
126640427.29959
Perimeter
80621800
Area
406242164702500
Diagonal
28504110.745733
Surface area
2437452988215000
Volume
8.187993638553E+21
Space diagonal
34910263.449414
Perimeter
60466350
Area
1.7590801736037E+14
Altitude
17455131.724707
Surface area
1.7590801736037E+14
Volume
9.6496430435552E+20
Height
9501370.2485776