19491385 is an odd 8-digits composite number following 19491384
and preceding 19491386 . In scientific notation, it is written as 1.9491385 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 15576960 positive integers (up to 19491385) that are relatively prime to 19491385.
19491385 has 8 divisors, whose sum is 23413896
The reverse of 19491385 is 58319491
Previous prime number is 1597
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
nineteen million four hundred ninety-one thousand three hundred eighty-five
Scientific notation
1.9491385 × 10^7
Engineering notation
1.9491385 × 10^6
Prime Factorization
5 × 1597 × 2441
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19491385
Product of the distinct prime numbers
The prime factorization of 19491385 is 5 × 1597 × 2441.
Since it has a total of 3 prime factors.
2 , 9 , 14 , 44 , 635 , 422 , 725 , 1876 , 95895 , 78520 , 60788 , 795364 , 2245474 , 3628829 , 62078994 , 20113230 , 240191881 , 816276243 , 3938078939 , 7337616354
n×2
38982770
n×3
58474155
n×4
77965540
n×5
97456925
n÷2
9745692.5
n÷3
6497128.3333333
n÷3
4872846.25
n÷5
3898277
n2
379914089218225
n3
7.4050517798768E+21
n4
1.4433471518651E+29
n5
2.8132835025657E+36
2 √n
4414.9048687373
3 √n
269.12098683689
4 √n
66.444750497968
5 √n
28.705726320001
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
-19491384
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 19491385 can be divided by 8 positive divisors.
The sum of these divisors (counting 19491385) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010010110101000111001
3
Ternary
1100200021011011
4
Quaternary
1022112220321
5
Quinary
14442211020
6
Senary
1533433521
8
Octal
112265071
10
Decimal
19491385
12
Duodecimal
663b8a1
16
Hexadecimal
1296a39
20
Vigesimal
61g895
36
Base36
blrnd
md5
e5dfca3a7a844f74ea7b2342d82b9e58
sha1
85c6f53e02b2ccd1c0c5e392f53acbd67473719c
sha256
84ea1e9902a89ef64586a33ab2f7d0943c17878d21eab8dd27f17b432aa2017d
sha512
7731b732699f416841ad53d121a7c6ae122358383083f513399c5ee1ad2e7f06052480315cef3c28bffbfab7fe7eaaab5223726422401ef814678af16f187ebd
ripemd-160
ae09042906f03df9351037f81b4957924b815b9d
Diameter
38982770
Circumference
122467983.84858
Area
1.1935353116832E+15
Volume
3.1018208361484E+22
Surface area
4.7741412467329E+15
Circumference
122467983.84858
Perimeter
77965540
Area
379914089218225
Diagonal
27564981.016436
Surface area
2279484535309350
Volume
7.4050517798768E+21
Space diagonal
33760069.129886
Perimeter
58474155
Area
1.6450762625931E+14
Altitude
16880034.564943
Surface area
1.6450762625931E+14
Volume
8.726937214314E+20
Height
9188327.0054785