20900900 is an even 8-digits composite number following 20900899
and preceding 20900901 . In scientific notation, it is written as 2.0900900 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors.
There are 8180640 positive integers (up to 20900900) that are relatively prime to 20900900.
20900900 has 24 divisors, whose sum is 38857728
The reverse of 20900900 is 00900902
Previous prime number is 25
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million nine hundred thousand nine hundred
Scientific notation
2.0900900 × 10^7
Engineering notation
2.0900900 × 10^6
Prime Factorization
2 × 2 × 47 × 25 × 4447
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10450450
Product of the distinct prime numbers
The prime factorization of 20900900 is 2 × 2 × 47 × 25 × 4447.
Since it has a total of 5 prime factors.
9 , 2 , 88 , 8 , 174 , 10 , 7077 , 2746 , 7114 , 67399 , 14584 , 777949 , 2285570 , 9419472 , 60520256 , 98512516 , 11500270 , 969461695 , 5854433677 , 8374022928
n×2
41801800
n×3
62702700
n×4
83603600
n×5
104504500
n÷2
10450450
n÷3
6966966.6666667
n÷3
5225225
n÷5
4180180
n2
436847620810000
n3
9.1305084377877E+21
n4
1.9083584380736E+29
n5
3.9886408878332E+36
2 √n
4571.7502118992
3 √n
275.45775002815
4 √n
67.614718899801
5 √n
29.109382812953
1 , 2 , 4 , 25 , 47 , 50 , 94 , 100 , 188 , 1175 , 2350 , 4447 , 4700 , 8894 , 17788 , 111175 , 209009 , 222350 , 418018 , 444700 , 836036 , 5225225 , 10450450 , 20900900
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20900899
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20900900 can be divided by 24 positive divisors.
The sum of these divisors (counting 20900900) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111101110110000100100
3
Ternary
1110022212122102
4
Quaternary
1033232300210
5
Quinary
20322312100
6
Senary
2023551232
8
Octal
117566044
10
Decimal
20900900
12
Duodecimal
6bbb518
16
Hexadecimal
13eec24
20
Vigesimal
6acc50
36
Base36
cfz8k
md5
86347bf2ca6685a85d5861e460af3ce2
sha1
ab3c1eec1ee985e2ac84418ce19277e987e8beb1
sha256
c2d1f27bae7836b48510b2a6c61b938828fd2b72e3cde62ecf351ca56d9db8a3
sha512
975834549f04fb9f91def1d3a6fbdcd59eaedf6b45661322db967a6f3888dc46668014dde4e12a7e9f2891a6285e22e9b0dfec65d17ad5a45a5c2bdacc4a7351
ripemd-160
30bd66707d7ef98277068682987ebc7a0c55ed9b
Diameter
41801800
Circumference
131324227.78683
Area
1.3723972762749E+15
Volume
3.8245784308925E+22
Surface area
5.4895891050995E+15
Circumference
131324227.78683
Perimeter
83603600
Area
436847620810000
Diagonal
29558336.245804
Surface area
2621085724860000
Volume
9.1305084377877E+21
Space diagonal
36201420.723916
Perimeter
62702700
Area
1.8916056860213E+14
Altitude
18100710.361958
Surface area
1.8916056860213E+14
Volume
1.0760407386734E+21
Height
9852778.7486013