20197903 is an odd 8-digits composite number following 20197902
and preceding 20197904 . In scientific notation, it is written as 2.0197903 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 18267480 positive integers (up to 20197903) that are relatively prime to 20197903.
20197903 has 8 divisors, whose sum is 22147200
The reverse of 20197903 is 30979102
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred ninety-seven thousand nine hundred three
Scientific notation
2.0197903 × 10^7
Engineering notation
2.0197903 × 10^6
Prime Factorization
11 × 199 × 9227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20197903
Product of the distinct prime numbers
The prime factorization of 20197903 is 11 × 199 × 9227.
Since it has a total of 3 prime factors.
2 , 5 , 40 , 19 , 186 , 484 , 4781 , 2659 , 21688 , 16933 , 359348 , 117573 , 4450 , 7979343 , 904792 , 64504783 , 364327402 , 386051922 , 1573463536 , 3013199986
n×2
40395806
n×3
60593709
n×4
80791612
n×5
100989515
n÷2
10098951.5
n÷3
6732634.3333333
n÷3
5049475.75
n÷5
4039580.6
n2
407955285597409
n3
8.2398412868338E+21
n4
1.6642751504686E+29
n5
3.3614868054476E+36
2 √n
4494.2077166059
3 √n
272.33414366471
4 √n
67.038852291831
5 √n
28.910876361882
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
-20197902
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 20197903 can be divided by 8 positive divisors.
The sum of these divisors (counting 20197903) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000011001000001111
3
Ternary
1102000011022111
4
Quaternary
1031003020033
5
Quinary
20132313103
6
Senary
2000524451
8
Octal
115031017
10
Decimal
20197903
12
Duodecimal
6920727
16
Hexadecimal
134320f
20
Vigesimal
664ef3
36
Base36
c0wsv
md5
5c5c0ee6545550be4308d627d4fc1748
sha1
28cefbe9eaa3607b4c043dcb40357ba6093b101e
sha256
a435c52a89cff29bdc03102b47a8a5def9e2a6688fd85b85ddf32cfe3e380396
sha512
5c60196a8653a5a67f5daca1f62a8c33d6a6f1db9b845273855f56b29d682700205cb21b61051a9391d61e0ba96a402c72f8d3828668fb2915d59999bf50998f
ripemd-160
88ae8312797ea0f5c5ef7a7c5eb7df35a0878a52
Diameter
40395806
Circumference
126907167.36544
Area
1.2816293282259E+15
Volume
3.4514966471284E+22
Surface area
5.1265173129038E+15
Circumference
126907167.36544
Perimeter
80791612
Area
407955285597409
Diagonal
28564148.354096
Surface area
2447731713584454
Volume
8.2398412868338E+21
Space diagonal
34983794.202348
Perimeter
60593709
Area
1.7664982046775E+14
Altitude
17491897.101174
Surface area
1.7664982046775E+14
Volume
9.7107460830351E+20
Height
9521382.7846987