20155690 is an even 8-digits composite number following 20155689
and preceding 20155691 . In scientific notation, it is written as 2.0155690 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 8040384 positive integers (up to 20155690) that are relatively prime to 20155690.
20155690 has 16 divisors, whose sum is 36378792
The reverse of 20155690 is 09655102
Previous prime number is 397
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred fifty-five thousand six hundred ninety
Scientific notation
2.0155690 × 10^7
Engineering notation
2.0155690 × 10^6
Prime Factorization
2 × 5 × 397 × 5077
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20155690
Product of the distinct prime numbers
The prime factorization of 20155690 is 2 × 5 × 397 × 5077.
Since it has a total of 4 prime factors.
6 , 9 , 72 , 18 , 228 , 590 , 44 , 3344 , 52981 , 5035 , 446889 , 381209 , 637106 , 7009573 , 93576866 , 91556926 , 435773400 , 398794395 , 5033140696 , 8247278038
n×2
40311380
n×3
60467070
n×4
80622760
n×5
100778450
n÷2
10077845
n÷3
6718563.3333333
n÷3
5038922.5
n÷5
4031138
n2
406251839376100
n3
8.1882861363945E+21
n4
1.6504055699646E+29
n5
3.3265063042481E+36
2 √n
4489.5088818266
3 √n
272.14428799322
4 √n
67.003797517951
5 √n
28.898781677033
1 , 2 , 5 , 10 , 397 , 794 , 1985 , 3970 , 5077 , 10154 , 25385 , 50770 , 2015569 , 4031138 , 10077845 , 20155690
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
-20155689
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 20155690 can be divided by 16 positive divisors.
The sum of these divisors (counting 20155690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111000110100101010
3
Ternary
1101221000102001
4
Quaternary
1030320310222
5
Quinary
20124440230
6
Senary
2000001214
8
Octal
114706452
10
Decimal
20155690
12
Duodecimal
690020a
16
Hexadecimal
1338d2a
20
Vigesimal
65j94a
36
Base36
c008a
md5
6404330c53ff8c851b2e249b7c4e81ee
sha1
94cc27d9b498b95a944c5694c53e6698bd64d340
sha256
c40256f2f2f4c3c0911f26e2d61ea37e556155f82be86eb198299207338c16aa
sha512
bd2bcccede105bf401473b6d4a28457e864429f04f948934543c79081e1cb1e3ed61c973f01cdfe7a79fd9f1d5eadcf4ce0c45c87c4bd63da28e83603a20a30f
ripemd-160
6056251128de7e156031d5182c06a786b01f743c
Diameter
40311380
Circumference
126641935.26407
Area
1.2762777940913E+15
Volume
3.4299012762117E+22
Surface area
5.1051111763652E+15
Circumference
126641935.26407
Perimeter
80622760
Area
406251839376100
Diagonal
28504450.156988
Surface area
2437511036256600
Volume
8.1882861363945E+21
Space diagonal
34910679.141608
Perimeter
60467070
Area
1.7591220661693E+14
Altitude
17455339.570804
Surface area
1.7591220661693E+14
Volume
9.6499877555672E+20
Height
9501483.3856626