19909966 is an even 8-digits composite number following 19909965
and preceding 19909967 . In scientific notation, it is written as 1.9909966 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 9954982 positive integers (up to 19909966) that are relatively prime to 19909966.
19909966 has 4 divisors, whose sum is 29864952
The reverse of 19909966 is 66990991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
nineteen million nine hundred nine thousand nine hundred sixty-six
Scientific notation
1.9909966 × 10^7
Engineering notation
1.9909966 × 10^6
Prime Factorization
2 × 9954983
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19909966
Product of the distinct prime numbers
The prime factorization of 19909966 is 2 × 9954983.
Since it has a total of 2 prime factors.
8 , 6 , 1 , 97 , 493 , 583 , 9938 , 7400 , 47683 , 55895 , 882981 , 729344 , 592886 , 1246078 , 2411609 , 4510227 , 379913322 , 770329103 , 7075326307 , 5401303289
n×2
39819932
n×3
59729898
n×4
79639864
n×5
99549830
n÷2
9954983
n÷3
6636655.3333333
n÷3
4977491.5
n÷5
3981993.2
n2
396406746121156
n3
7.8924448374428E+21
n4
1.5713830837036E+29
n5
3.1286183769514E+36
2 √n
4462.0584935655
3 √n
271.03383246131
4 √n
66.798641405088
5 √n
28.827972803928
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19909965
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19909966 can be divided by 4 positive divisors.
The sum of these divisors (counting 19909966) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011111100110101001110
3
Ternary
1101110112100011
4
Quaternary
1023330311032
5
Quinary
20044104331
6
Senary
1550423434
8
Octal
113746516
10
Decimal
19909966
12
Duodecimal
6801b7a
16
Hexadecimal
12fcd4e
20
Vigesimal
648ei6
36
Base36
buqmm
md5
8939dc385c52dac68b1156aa64432171
sha1
3e03774f59e83377d3636c8215e20373e5b85668
sha256
4746d3adb5eb921da3c28dd0aa154caf97dd8ef8459cf5439566b56848528e19
sha512
1c678971b8c8b0fc1532eb5a706bcabebcf4ae07ccae54c36e07e1d8ba041211c4a417d8244e6e33eb12f89e16b3c8d429e0d56d04e4d2eb372b686e2190c630
ripemd-160
8b928f178e5d2c045ddbb6822b36c12ff5021a2b
Diameter
39819932
Circumference
125098005.83765
Area
1.2453485214477E+15
Volume
3.3059795626898E+22
Surface area
4.9813940857906E+15
Circumference
125098005.83765
Perimeter
79639864
Area
396406746121156
Diagonal
28156943.943587
Surface area
2378440476726936
Volume
7.8924448374428E+21
Space diagonal
34485072.688969
Perimeter
59729898
Area
1.7164915618622E+14
Altitude
17242536.344484
Surface area
1.7164915618622E+14
Volume
9.301335441161E+20
Height
9385647.9811957