20190155 is an odd 8-digits composite number following 20190154
and preceding 20190156 . In scientific notation, it is written as 2.0190155 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 16135488 positive integers (up to 20190155) that are relatively prime to 20190155.
20190155 has 8 divisors, whose sum is 24253152
The reverse of 20190155 is 55109102
Previous prime number is 1543
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred ninety thousand one hundred fifty-five
Scientific notation
2.0190155 × 10^7
Engineering notation
2.0190155 × 10^6
Prime Factorization
5 × 1543 × 2617
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20190155
Product of the distinct prime numbers
The prime factorization of 20190155 is 5 × 1543 × 2617.
Since it has a total of 3 prime factors.
8 , 4 , 33 , 82 , 317 , 950 , 1182 , 818 , 6418 , 89331 , 407069 , 720565 , 2398860 , 5977304 , 84778092 , 65475875 , 903490053 , 323255568 , 7347119371 , 5904487999
n×2
40380310
n×3
60570465
n×4
80760620
n×5
100950775
n÷2
10095077.5
n÷3
6730051.6666667
n÷3
5047538.75
n÷5
4038031
n2
407642358924025
n3
8.2303624112417E+21
n4
1.6617229278914E+29
n5
3.3550443481182E+36
2 √n
4493.3456354926
3 √n
272.29931637249
4 √n
67.032422270813
5 √n
28.908657954861
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
-20190154
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 20190155 can be divided by 8 positive divisors.
The sum of these divisors (counting 20190155) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000001001111001011
3
Ternary
1101222202200112
4
Quaternary
1031001033023
5
Quinary
20132041110
6
Senary
2000424535
8
Octal
115011713
10
Decimal
20190155
12
Duodecimal
691814b
16
Hexadecimal
13413cb
20
Vigesimal
663f7f
36
Base36
c0qtn
md5
38b6b6af8c61205d30aa58f29f028d84
sha1
b5b1cd95061089e022ee8ffad1527ca4d35967db
sha256
211a70fa1d5fa448ce50ff39bd089509e29ea0a26f1191b8143581b1111111b7
sha512
8f42e4302e48a0529924ca73ba0e4cf3a05de2fbf85db5d143ee19d660af897d78b57e95b1d38861251e061494850c554dbdbeb419f9e4119046cdc8a2e36837
ripemd-160
cd086c25393103d043eeb4fc6f9efacb81608698
Diameter
40380310
Circumference
126858485.24568
Area
1.2806462400877E+15
Volume
3.4475261450051E+22
Surface area
5.1225849603509E+15
Circumference
126858485.24568
Perimeter
80760620
Area
407642358924025
Diagonal
28553191.027415
Surface area
2445854153544150
Volume
8.2303624112417E+21
Space diagonal
34970374.272691
Perimeter
60570465
Area
1.7651431924341E+14
Altitude
17485187.136345
Surface area
1.7651431924341E+14
Volume
9.6995751210198E+20
Height
9517730.3424717