19719989 is an odd 8-digits composite number following 19719988
and preceding 19719990 . In scientific notation, it is written as 1.9719989 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 19710924 positive integers (up to 19719989) that are relatively prime to 19719989.
19719989 has 4 divisors, whose sum is 19729056
The reverse of 19719989 is 98991791
Previous prime number is 5443
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
nineteen million seven hundred nineteen thousand nine hundred eighty-nine
Scientific notation
1.9719989 × 10^7
Engineering notation
1.9719989 × 10^6
Prime Factorization
5443 × 3623
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19719989
Product of the distinct prime numbers
The prime factorization of 19719989 is 5443 × 3623.
Since it has a total of 2 prime factors.
4 , 3 , 18 , 83 , 207 , 967 , 8127 , 6754 , 36186 , 33879 , 510738 , 477094 , 4364066 , 7629275 , 63265670 , 39642050 , 457713809 , 584533373 , 4034041703 , 2842361499
n×2
39439978
n×3
59159967
n×4
78879956
n×5
98599945
n÷2
9859994.5
n÷3
6573329.6666667
n÷3
4929997.25
n÷5
3943997.8
n2
388877966160121
n3
7.66866921502E+21
n4
1.5122607256483E+29
n5
2.9821764874917E+36
2 √n
4440.719423697
3 √n
270.16902539464
4 √n
66.638723154762
5 √n
28.772747444718
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
-19719988
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 19719989 can be divided by 4 positive divisors.
The sum of these divisors (counting 19719989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011001110011100110101
3
Ternary
1101002212201222
4
Quaternary
1023032130311
5
Quinary
20022014424
6
Senary
1542400125
8
Octal
113163465
10
Decimal
19719989
12
Duodecimal
6730045
16
Hexadecimal
12ce735
20
Vigesimal
634jj9
36
Base36
bqo1h
md5
15e9f9e3d9ed27a9d42197c91587c2d7
sha1
7015e14cb7716f6ef859a6b5b4a641bb45339bff
sha256
a1a515f61b72d42f7a747a767c75f9a1aa65e1c0c9fe4897fa556db576248ce5
sha512
66fe0049a95d5e8854d1677c6a1fe78bbfab8808fdb022feee50852b104951cfdbfa8803c1a52f4c0cc09425911e20a45c3d4f7d294ad48260ec69917762f040
ripemd-160
0b11eceaace9c4e88cef72f37009b66b02e933ba
Diameter
39439978
Circumference
123904345.14254
Area
1.2216961616316E+15
Volume
3.2122446491623E+22
Surface area
4.8867846465263E+15
Circumference
123904345.14254
Perimeter
78879956
Area
388877966160121
Diagonal
27888275.893648
Surface area
2333267796960726
Volume
7.66866921502E+21
Space diagonal
34156022.872699
Perimeter
59159967
Area
1.6838909883335E+14
Altitude
17078011.43635
Surface area
1.6838909883335E+14
Volume
9.0376133410286E+20
Height
9296091.9645494