20391738 is an even 8-digits composite number following 20391737
and preceding 20391739 . In scientific notation, it is written as 2.0391738 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 6190080 positive integers (up to 20391738) that are relatively prime to 20391738.
20391738 has 32 divisors, whose sum is 44582400
The reverse of 20391738 is 83719302
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million three hundred ninety-one thousand seven hundred thirty-eight
Scientific notation
2.0391738 × 10^7
Engineering notation
2.0391738 × 10^6
Prime Factorization
2 × 3 × 17 × 31 × 6449
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20391738
Product of the distinct prime numbers
The prime factorization of 20391738 is 2 × 3 × 17 × 31 × 6449.
Since it has a total of 5 prime factors.
3 , 10 , 58 , 92 , 59 , 392 , 2487 , 9458 , 81698 , 17102 , 844011 , 393053 , 3043976 , 6137199 , 8526223 , 66629072 , 279627312 , 349736128 , 5953178989 , 9496119199
n×2
40783476
n×3
61175214
n×4
81566952
n×5
101958690
n÷2
10195869
n÷3
6797246
n÷3
5097934.5
n÷5
4078347.6
n2
415822978660644
n3
8.4793532352274E+21
n4
1.7290874958221E+29
n5
3.525909919388E+36
2 √n
4515.7212048575
3 √n
273.20254930392
4 √n
67.199116101758
5 √n
28.966154880958
1 , 2 , 3 , 6 , 17 , 31 , 34 , 51 , 62 , 93 , 102 , 186 , 527 , 1054 , 1581 , 3162 , 6449 , 12898 , 19347 , 38694 , 109633 , 199919 , 219266 , 328899 , 399838 , 599757 , 657798 , 1199514 , 3398623 , 6797246 , 10195869 , 20391738
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20391737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20391738 can be divided by 32 positive divisors.
The sum of these divisors (counting 20391738) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101110010011100111010
3
Ternary
1102101000012120
4
Quaternary
1031302130322
5
Quinary
20210013423
6
Senary
2005022110
8
Octal
115623472
10
Decimal
20391738
12
Duodecimal
69b4936
16
Hexadecimal
137273a
20
Vigesimal
678j6i
36
Base36
c52d6
md5
32272ab4dc25dfb9d12dd22c9bbb6a21
sha1
adab7bf488cbe8cd47281e0750524fbdce688b73
sha256
8100d4b86450b509420f7b0ca762cf93a92858ba7da980353eb8ee49b301ae90
sha512
dc7c2121c28f6898f5b9e0e5bb08b9fc1cfbc9f50bc6650d6745f4670f34425c867b0f320459107f5617569ef78e1800880e054984d7e2295aecc4e9f8b23140
ripemd-160
9ce1b008e895ce48c46f85972c5d892219d2a90c
Diameter
40783476
Circumference
128125068.58946
Area
1.3063464149541E+15
Volume
3.5518231774645E+22
Surface area
5.2253856598164E+15
Circumference
128125068.58946
Perimeter
81566952
Area
415822978660644
Diagonal
28838272.439959
Surface area
2494937871963864
Volume
8.4793532352274E+21
Space diagonal
35319526.270633
Perimeter
61175214
Area
1.8005663149872E+14
Altitude
17659763.135316
Surface area
1.8005663149872E+14
Volume
9.9930136211757E+20
Height
9612757.4799863