19979142 is an even 8-digits composite number following 19979141
and preceding 19979143 . In scientific notation, it is written as 1.9979142 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 6622560 positive integers (up to 19979142) that are relatively prime to 19979142.
19979142 has 16 divisors, whose sum is 40181232
The reverse of 19979142 is 24197991
Previous prime number is 181
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
nineteen million nine hundred seventy-nine thousand one hundred forty-two
Scientific notation
1.9979142 × 10^7
Engineering notation
1.9979142 × 10^6
Prime Factorization
2 × 3 × 181 × 18397
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19979142
Product of the distinct prime numbers
The prime factorization of 19979142 is 2 × 3 × 181 × 18397.
Since it has a total of 4 prime factors.
8 , 3 , 17 , 81 , 593 , 875 , 5148 , 9839 , 45829 , 82443 , 722396 , 590125 , 7205182 , 7332838 , 43451842 , 32092514 , 259859378 , 564411152 , 9359874762 , 5821536344
n×2
39958284
n×3
59937426
n×4
79916568
n×5
99895710
n÷2
9989571
n÷3
6659714
n÷3
4994785.5
n÷5
3995828.4
n2
399166115056164
n3
7.9749964942954E+21
n4
1.5933358740903E+29
n5
3.1833483682144E+36
2 √n
4469.8033513791
3 √n
271.34736663261
4 √n
66.856587942993
5 √n
28.847977239023
1 , 2 , 3 , 6 , 181 , 362 , 543 , 1086 , 18397 , 36794 , 55191 , 110382 , 3329857 , 6659714 , 9989571 , 19979142
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19979141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19979142 can be divided by 16 positive divisors.
The sum of these divisors (counting 19979142) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001101101110000110
3
Ternary
1101121001020020
4
Quaternary
1030031232012
5
Quinary
20103313032
6
Senary
1552120010
8
Octal
114155606
10
Decimal
19979142
12
Duodecimal
6836006
16
Hexadecimal
130db86
20
Vigesimal
64h7h2
36
Base36
bw806
md5
bd4b0d1f50b3bfd3e9fae0138933cfb9
sha1
4e7500c49d72c3398dca8fededd7fef8c6c89b2a
sha256
0f9d4844b09fb431f9f34012c9eaa7406a3b9fd4a3123035e1ad0407292c22ae
sha512
6cdd94c079431f28fa585fc4d3f75ca5826d9e0adbc271d1d625ab32ab43d4a2dec80c75aef25025908dac34e3330b76732c0e4688675b2b66ff5a43ae6e7b75
ripemd-160
5056b433ea52f6bc4146e1bf85aa466d7c57ac2b
Diameter
39958284
Circumference
125532651.46445
Area
1.2540173346224E+15
Volume
3.3405587198511E+22
Surface area
5.0160693384897E+15
Circumference
125532651.46445
Perimeter
79916568
Area
399166115056164
Diagonal
28254773.580978
Surface area
2394996690336984
Volume
7.9749964942954E+21
Space diagonal
34604889.035633
Perimeter
59937426
Area
1.7284399798429E+14
Altitude
17302444.517817
Surface area
1.7284399798429E+14
Volume
9.3986235017587E+20
Height
9418257.860326