19943909 is an odd 8-digits composite number following 19943908
and preceding 19943910 . In scientific notation, it is written as 1.9943909 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 19256160 positive integers (up to 19943909) that are relatively prime to 19943909.
19943909 has 4 divisors, whose sum is 20631660
The reverse of 19943909 is 90934991
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
nineteen million nine hundred forty-three thousand nine hundred nine
Scientific notation
1.9943909 × 10^7
Engineering notation
1.9943909 × 10^6
Prime Factorization
29 × 687721
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19943909
Product of the distinct prime numbers
The prime factorization of 19943909 is 29 × 687721.
Since it has a total of 2 prime factors.
9 , 1 , 69 , 96 , 954 , 833 , 7740 , 9840 , 20347 , 20020 , 565203 , 496010 , 3666644 , 9265617 , 95231532 , 51686609 , 801428216 , 637109165 , 4659786057 , 6434672735
n×2
39887818
n×3
59831727
n×4
79775636
n×5
99719545
n÷2
9971954.5
n÷3
6647969.6666667
n÷3
4985977.25
n÷5
3988781.8
n2
397759506200281
n3
7.9328793955433E+21
n4
1.5821262477269E+29
n5
3.1553781911177E+36
2 √n
4465.8603874282
3 √n
271.18776673325
4 √n
66.827093213966
5 √n
28.837795435357
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
-19943908
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 19943909 can be divided by 4 positive divisors.
The sum of these divisors (counting 19943909) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100000101000111100101
3
Ternary
1101112020220022
4
Quaternary
1030011013211
5
Quinary
20101201114
6
Senary
1551244525
8
Octal
114050745
10
Decimal
19943909
12
Duodecimal
6819745
16
Hexadecimal
13051e5
20
Vigesimal
64cjf9
36
Base36
bvgth
md5
91970c83111931e71f6595853e8a74a0
sha1
759b08bcc184735b5e1bacbcb26887bf847229d3
sha256
dd65ee3ba31c3de2f5f32e06ca844d1ff0ab78af6e34daf09ad117ea781714b7
sha512
c641f163017d06491649fd7d30b77dbcd1a6683ed7d37ac8f64c8eea74f4a8b903a9f0a52ca0f6f2df5cd601dd9481ee5054f30202201b98ffb39fd9e73c8fba
ripemd-160
653b5d19beed2d4a71d4b2a9352efb723ea9afa6
Diameter
39887818
Circumference
125311275.99653
Area
1.2495983425743E+15
Volume
3.3229167507804E+22
Surface area
4.9983933702972E+15
Circumference
125311275.99653
Perimeter
79775636
Area
397759506200281
Diagonal
28204946.594535
Surface area
2386557037201686
Volume
7.9328793955433E+21
Space diagonal
34543863.68953
Perimeter
59831727
Area
1.722349184831E+14
Altitude
17271931.844765
Surface area
1.722349184831E+14
Volume
9.3489880248729E+20
Height
9401648.8648449