19389991 is an odd 8-digits composite number following 19389990
and preceding 19389992 . In scientific notation, it is written as 1.9389991 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 18853560 positive integers (up to 19389991) that are relatively prime to 19389991.
19389991 has 8 divisors, whose sum is 19931904
The reverse of 19389991 is 19998391
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
nineteen million three hundred eighty-nine thousand nine hundred ninety-one
Scientific notation
1.9389991 × 10^7
Engineering notation
1.9389991 × 10^6
Prime Factorization
163 × 47 × 2531
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19389991
Product of the distinct prime numbers
The prime factorization of 19389991 is 163 × 47 × 2531.
Since it has a total of 3 prime factors.
3 , 5 , 53 , 80 , 305 , 297 , 8359 , 7902 , 92656 , 14089 , 650667 , 373820 , 3444772 , 7394387 , 7127089 , 35014259 , 805905552 , 865301614 , 7685687453 , 696202472
n×2
38779982
n×3
58169973
n×4
77559964
n×5
96949955
n÷2
9694995.5
n÷3
6463330.3333333
n÷3
4847497.75
n÷5
3877998.2
n2
375971750980081
n3
7.290088867758E+21
n4
1.4135475753503E+29
n5
2.7408674764114E+36
2 √n
4403.4067493249
3 √n
268.65352037124
4 √n
66.358170177642
5 √n
28.675798598313
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19389990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19389991 can be divided by 8 positive divisors.
The sum of these divisors (counting 19389991) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001001111101111000100111
3
Ternary
1100111010001211
4
Quaternary
1021331320213
5
Quinary
14430434431
6
Senary
1531332251
8
Octal
111757047
10
Decimal
19389991
12
Duodecimal
65b1087
16
Hexadecimal
127de27
20
Vigesimal
613ejb
36
Base36
bjlev
md5
a3def5b8bc3eb0fa328c28665c1fd201
sha1
261926ef718f1cbd47e6bf83fc82884af2893be0
sha256
649e9f348e4972c056089f107823fe951cb86c026d7133c5fbb741b3ef9a451e
sha512
4171764e9a6e6c72f232486557124e050884e7ddfa2cb17be130a8e9be1ebd8503c6a531d8ebf0e0a7d52374e2065e98e7ff0bae470247abdfb1e8287f5cc900
ripemd-160
2d72c137df0e1c641a73807ec21ebff5a91bd0d4
Diameter
38779982
Circumference
121830906.55754
Area
1.1811500908363E+15
Volume
3.0536652841287E+22
Surface area
4.7246003633453E+15
Circumference
121830906.55754
Perimeter
77559964
Area
375971750980081
Diagonal
27421588.246492
Surface area
2255830505880486
Volume
7.290088867758E+21
Space diagonal
33584449.570303
Perimeter
58169973
Area
1.6280054372703E+14
Altitude
16792224.785152
Surface area
1.6280054372703E+14
Volume
8.5914521230738E+20
Height
9140529.4154974