19389989 is an odd 8-digits composite number following 19389988
and preceding 19389990 . In scientific notation, it is written as 1.9389989 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 18546924 positive integers (up to 19389989) that are relatively prime to 19389989.
19389989 has 4 divisors, whose sum is 20233056
The reverse of 19389989 is 98998391
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
nineteen million three hundred eighty-nine thousand nine hundred eighty-nine
Scientific notation
1.9389989 × 10^7
Engineering notation
1.9389989 × 10^6
Prime Factorization
23 × 843043
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19389989
Product of the distinct prime numbers
The prime factorization of 19389989 is 23 × 843043.
Since it has a total of 2 prime factors.
9 , 2 , 41 , 9 , 703 , 428 , 7563 , 5242 , 59167 , 74800 , 892043 , 489755 , 9025567 , 7493075 , 9759740 , 11496070 , 955996387 , 191822335 , 9721403017 , 679133400
n×2
38779978
n×3
58169967
n×4
77559956
n×5
96949945
n÷2
9694994.5
n÷3
6463329.6666667
n÷3
4847497.25
n÷5
3877997.8
n2
375971673420121
n3
7.2900866119277E+21
n4
1.4135469921433E+29
n5
2.7408660628641E+36
2 √n
4403.406522228
3 √n
268.6535111344
4 √n
66.358168466497
5 √n
28.675798006754
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
-19389988
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 19389989 can be divided by 4 positive divisors.
The sum of these divisors (counting 19389989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001001111101111000100101
3
Ternary
1100111010001202
4
Quaternary
1021331320211
5
Quinary
14430434424
6
Senary
1531332245
8
Octal
111757045
10
Decimal
19389989
12
Duodecimal
65b1085
16
Hexadecimal
127de25
20
Vigesimal
613ej9
36
Base36
bjlet
md5
e14aee3e139192baf459176d6d30dc49
sha1
3146e888521970e6c8ca8b76fa2684fcad830dff
sha256
62e450ee92e32944f0292043dc8a5e3338b964ec563a0e39b52323e6cb468342
sha512
a9383faf5dc305a1e4f200d4a512a38de8aecad82ab9812db35d26bc80f099e9e428aee6c51b1a63d73cd77ee2fc3553af16e341a92c18a0cf90ab85bb791f32
ripemd-160
f2540921d93256fb6517d1e2e31327a67327e519
Diameter
38779978
Circumference
121830893.99117
Area
1.1811498471745E+15
Volume
3.0536643392087E+22
Surface area
4.7245993886981E+15
Circumference
121830893.99117
Perimeter
77559956
Area
375971673420121
Diagonal
27421585.418065
Surface area
2255830040520726
Volume
7.2900866119277E+21
Space diagonal
33584446.106202
Perimeter
58169967
Area
1.6280051014259E+14
Altitude
16792223.053101
Surface area
1.6280051014259E+14
Volume
8.5914494645523E+20
Height
9140528.4726884