19997768 is an even 8-digits composite number following 19997767
and preceding 19997769 . In scientific notation, it is written as 1.9997768 × 10^7.
The sum of its digits is 56. It has a total of 5 prime factors and 16 positive divisors.
There are 8570448 positive integers (up to 19997768) that are relatively prime to 19997768.
19997768 has 16 divisors, whose sum is 42852480
The reverse of 19997768 is 86779991
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 56
Digital Root 2
Name
nineteen million nine hundred ninety-seven thousand seven hundred sixty-eight
Scientific notation
1.9997768 × 10^7
Engineering notation
1.9997768 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 357103
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4999442
Product of the distinct prime numbers
The prime factorization of 19997768 is 2 × 2 × 2 × 7 × 357103.
Since it has a total of 5 prime factors.
4 , 8 , 79 , 53 , 129 , 14 , 2787 , 7492 , 80827 , 60930 , 329366 , 603625 , 8426510 , 5174099 , 78985481 , 82335501 , 79322268 , 753761168 , 1626396472 , 9236219980
n×2
39995536
n×3
59993304
n×4
79991072
n×5
99988840
n÷2
9998884
n÷3
6665922.6666667
n÷3
4999442
n÷5
3999553.6
n2
399910724981824
n3
7.9973218988983E+21
n4
1.5992858795549E+29
n5
3.1982147985014E+36
2 √n
4471.8864028506
3 √n
271.4316636503
4 √n
66.872164634103
5 √n
28.853354068155
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 357103 , 714206 , 1428412 , 2499721 , 2856824 , 4999442 , 9998884 , 19997768
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
-19997767
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 19997768 can be divided by 16 positive divisors.
The sum of these divisors (counting 19997768) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010010010001001000
3
Ternary
1101121222210002
4
Quaternary
1030102101020
5
Quinary
20104412033
6
Senary
1552342132
8
Octal
114222110
10
Decimal
19997768
12
Duodecimal
6844948
16
Hexadecimal
1312448
20
Vigesimal
64je88
36
Base36
bwmdk
md5
4b93ceffd363c6494406b95fec2d14bd
sha1
e738275484d53c132f1d11dfd591b447c88b195c
sha256
ecb93cf21bec45556f54fa57c4a35df8b585b8e4b6012ccf7cae6bbd3dbd004c
sha512
554a286df1978b8c1de70e5b5caf1c0c5d3848c8499832ba4522288fa8bfadd21475c162daa8ea10e77973cf2e6d5d9ec73b63930aa940c59a46b31af1898084
ripemd-160
47e766ad38dc59db223cf7317eb6f75ababd9e9a
Diameter
39995536
Circumference
125649682.07399
Area
1.2563565956947E+15
Volume
3.3499103634629E+22
Surface area
5.0254263827787E+15
Circumference
125649682.07399
Perimeter
79991072
Area
399910724981824
Diagonal
28281114.722791
Surface area
2399464349890944
Volume
7.9973218988983E+21
Space diagonal
34637150.213975
Perimeter
59993304
Area
1.7316642354006E+14
Altitude
17318575.106988
Surface area
1.7316642354006E+14
Volume
9.4249342434045E+20
Height
9427038.2409302