19491372 is an even 8-digits composite number following 19491371
and preceding 19491373 . In scientific notation, it is written as 1.9491372 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 6399360 positive integers (up to 19491372) that are relatively prime to 19491372.
19491372 has 24 divisors, whose sum is 38470320
The reverse of 19491372 is 27319491
Previous prime number is 67
Is Prime? no Number parity even Number length 8 Sum of Digits 36 Digital Root 9
Name
nineteen million four hundred ninety-one thousand three hundred seventy-two
Scientific notation
1.9491372 × 10^7
Engineering notation
1.9491372 × 10^6
Prime Factorization
2 × 2 × 9 × 67 × 8081
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
9745686 Product of the distinct prime numbers
The prime factorization of 19491372 is 2 × 2 × 9 × 67 × 8081.
Since it has a total of 5 prime factors.
2 , 2 , 34 , 14 , 954 , 568 , 5136 , 5242 , 48719 , 49268 , 582536 , 771534 , 5870189 , 6235323 , 37328461 , 94880260 , 330137394 , 477388045 , 9406520934 , 9340147672
n×2
38982744
n×3
58474116
n×4
77965488
n×5
97456860
n÷2
9745686
n÷3
6497124
n÷3
4872843
n÷5
3898274.4
n2
379913582442384
n3
7.4050369632372E+21
n4
1.4433433012421E+29
n5
2.8132741208217E+36
2 √n4414.9033964516
3 √n269.12092700578
4 √n66.444739418946
5 √n28.705722490878
1 , 2 , 4 , 9 , 18 , 36 , 67 , 134 , 268 , 603 , 1206 , 2412 , 8081 , 16162 , 32324 , 72729 , 145458 , 290916 , 541427 , 1082854 , 2165708 , 4872843 , 9745686 , 19491372
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-19491371 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19491372 can be divided by 24 positive divisors.
The sum of these divisors (counting 19491372) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001010010110101000101100
3
Ternary
1100200021010200
4
Quaternary
1022112220230
5
Quinary
14442210442
6
Senary
1533433500
8
Octal
112265054
10
Decimal
19491372
12
Duodecimal
663b890
16
Hexadecimal
1296a2c
20
Vigesimal
61g88c
36
Base36
blrn0
md5
7b6dc34591aba9981814085fdbe4da8e
sha1
abcea7db71d1e1ad30838e14f4f5b05ddcf20dd5
sha256
8d5ebe8fcb1703beed2dd391bf1dc8993af926daa175e8c4a762163770f9bb12
sha512
37aca2c224f8d78c92a2e5d9de56c54a171390718442c57abd6214b58ad61e3eba20cddcf54e7d809c308e161af72416c542faec97608f04fb29ab26039db59e
ripemd-160
48cc195caefa7baa6a249e655bb92a27d29bbb1f
Diameter
38982744
Circumference
122467902.16717
Area
1.1935337196E+15
Volume
3.1018146297689E+22
Surface area
4.7741348783999E+15
Circumference
122467902.16717
Perimeter
77965488
Area
379913582442384
Diagonal
27564962.631659
Surface area
2279481494654304
Volume
7.4050369632372E+21
Space diagonal
33760046.613225
Perimeter
58474116
Area
1.6450740681893E+14
Altitude
16880023.306613
Surface area
1.6450740681893E+14
Volume
8.7269197527367E+20
Height
9188320.8772197