19389990 is an even 8-digits composite number following 19389989
and preceding 19389991 . In scientific notation, it is written as 1.9389990 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 5050080 positive integers (up to 19389990) that are relatively prime to 19389990.
19389990 has 16 divisors, whose sum is 31747584
The reverse of 19389990 is 09998391
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
nineteen million three hundred eighty-nine thousand nine hundred ninety
Scientific notation
1.9389990 × 10^7
Engineering notation
1.9389990 × 10^6
Prime Factorization
2 × 15 × 43 × 15031
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19389990
Product of the distinct prime numbers
The prime factorization of 19389990 is 2 × 15 × 43 × 15031.
Since it has a total of 4 prime factors.
3 , 5 , 37 , 70 , 94 , 375 , 9556 , 5297 , 39312 , 74302 , 776764 , 633299 , 8169254 , 4299215 , 55993105 , 35397682 , 818553249 , 700389864 , 541591640 , 4052629763
n×2
38779980
n×3
58169970
n×4
77559960
n×5
96949950
n÷2
9694995
n÷3
6463330
n÷3
4847497.5
n÷5
3877998
n2
375971712200100
n3
7.2900877398428E+21
n4
1.4135472837467E+29
n5
2.7408667696377E+36
2 √n
4403.4066357764
3 √n
268.65351575282
4 √n
66.358169322069
5 √n
28.675798302534
1 , 2 , 15 , 30 , 43 , 86 , 645 , 1290 , 15031 , 30062 , 225465 , 450930 , 646333 , 1292666 , 9694995 , 19389990
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
-19389989
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 19389990 can be divided by 16 positive divisors.
The sum of these divisors (counting 19389990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001001111101111000100110
3
Ternary
1100111010001210
4
Quaternary
1021331320212
5
Quinary
14430434430
6
Senary
1531332250
8
Octal
111757046
10
Decimal
19389990
12
Duodecimal
65b1086
16
Hexadecimal
127de26
20
Vigesimal
613eja
36
Base36
bjleu
md5
afb37211bf47679692f192bfa8b2e187
sha1
bf29d87833e8ad006fc31db6c0bc7e7d836bcca9
sha256
edca2a45b89ea83726a8149689dff96d9460bf2c9ad5161e295445213f82ea2b
sha512
22bf54ecda543881b4d13b6291f3306df22288c492dd19758a6ca463132804f9b9da3810ed84bae875b02bf106a343be518e56b0074e070ff52c6564970b2f33
ripemd-160
7a9c0f8d0f723b86b78190acd484d1ac8f98febc
Diameter
38779980
Circumference
121830900.27436
Area
1.1811499690054E+15
Volume
3.0536648116687E+22
Surface area
4.7245998760216E+15
Circumference
121830900.27436
Perimeter
77559960
Area
375971712200100
Diagonal
27421586.832279
Surface area
2255830273200600
Volume
7.2900877398428E+21
Space diagonal
33584447.838252
Perimeter
58169970
Area
1.6280052693481E+14
Altitude
16792223.919126
Surface area
1.6280052693481E+14
Volume
8.5914507938129E+20
Height
9140528.9440929