19431388 is an even 8-digits composite number following 19431387
and preceding 19431389 . In scientific notation, it is written as 1.9431388 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 9650192 positive integers (up to 19431388) that are relatively prime to 19431388.
19431388 has 12 divisors, whose sum is 34234200
The reverse of 19431388 is 88313491
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
nineteen million four hundred thirty-one thousand three hundred eighty-eight
Scientific notation
1.9431388 × 10^7
Engineering notation
1.9431388 × 10^6
Prime Factorization
2 × 2 × 149 × 32603
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9715694
Product of the distinct prime numbers
The prime factorization of 19431388 is 2 × 2 × 149 × 32603.
Since it has a total of 4 prime factors.
10 , 10 , 19 , 47 , 617 , 541 , 320 , 8413 , 74600 , 63691 , 535260 , 38655 , 4113000 , 4443130 , 58296873 , 85757680 , 730618778 , 341316279 , 2331131288 , 4624128004
n×2
38862776
n×3
58294164
n×4
77725552
n×5
97156940
n÷2
9715694
n÷3
6477129.3333333
n÷3
4857847
n÷5
3886277.6
n2
377578839606544
n3
7.3368809329845E+21
n4
1.4256578011862E+29
n5
2.7702509890077E+36
2 √n
4408.1048081914
3 √n
268.84457331384
4 √n
66.393559990344
5 √n
28.688032534575
1 , 2 , 4 , 149 , 298 , 596 , 32603 , 65206 , 130412 , 4857847 , 9715694 , 19431388
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19431387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19431388 can be divided by 12 positive divisors.
The sum of these divisors (counting 19431388) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001010000111111111011100
3
Ternary
1100120012212001
4
Quaternary
1022013333130
5
Quinary
14433301023
6
Senary
1532252044
8
Octal
112077734
10
Decimal
19431388
12
Duodecimal
6611024
16
Hexadecimal
1287fdc
20
Vigesimal
618i98
36
Base36
bkhcs
md5
d3f84c081df6db7457209a1d599114c4
sha1
4386b05530ee48d52dce5f4f65204bac9e3c4a98
sha256
892d22352b71d9ff6a86c0cdee7bc6fb1b83510ad362083d7288f13057f3b2dc
sha512
1600564b225009a7dca6582dd639860f3256291398fbac257610bcc62e16e7f486b45613d74dab1168ee7cde572fccd5a47bfb78f4cc992d068c256e9cf269bd
ripemd-160
18975e53c490ed6f64a82e08fee553fe4ee406f2
Diameter
38862776
Circumference
122091011.57971
Area
1.1861989086589E+15
Volume
3.073265498577E+22
Surface area
4.7447956346355E+15
Circumference
122091011.57971
Perimeter
77725552
Area
377578839606544
Diagonal
27480132.445334
Surface area
2265473037639264
Volume
7.3368809329845E+21
Space diagonal
33656151.277584
Perimeter
58294164
Area
1.6349643351536E+14
Altitude
16828075.638792
Surface area
1.6349643351536E+14
Volume
8.6465971007861E+20
Height
9160044.1484446