20392731 is an odd 8-digits composite number following 20392730
and preceding 20392732 . In scientific notation, it is written as 2.0392731 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 13576896 positive integers (up to 20392731) that are relatively prime to 20392731.
20392731 has 12 divisors, whose sum is 29495752
The reverse of 20392731 is 13729302
Previous prime number is 1297
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million three hundred ninety-two thousand seven hundred thirty-one
Scientific notation
2.0392731 × 10^7
Engineering notation
2.0392731 × 10^6
Prime Factorization
3 × 3 × 1297 × 1747
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6797577
Product of the distinct prime numbers
The prime factorization of 20392731 is 3 × 3 × 1297 × 1747.
Since it has a total of 4 prime factors.
8 , 6 , 80 , 17 , 658 , 644 , 6172 , 451 , 75941 , 93370 , 759845 , 795404 , 7808435 , 6149307 , 44269045 , 52266089 , 430316589 , 707656315 , 4168610256 , 6116232456
n×2
40785462
n×3
61178193
n×4
81570924
n×5
101963655
n÷2
10196365.5
n÷3
6797577
n÷3
5098182.75
n÷5
4078546.2
n2
415863477638361
n3
8.4805920322036E+21
n4
1.7294243203347E+29
n5
3.5267684949444E+36
2 √n
4515.8311527337
3 √n
273.20698387325
4 √n
67.199934172093
5 √n
28.966436983755
1 , 3 , 9 , 1297 , 1747 , 3891 , 5241 , 11673 , 15723 , 2265859 , 6797577 , 20392731
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
-20392730
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 20392731 can be divided by 12 positive divisors.
The sum of these divisors (counting 20392731) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110010101100011011
3
Ternary
1102101001120100
4
Quaternary
1031302230123
5
Quinary
20210031411
6
Senary
2005030443
8
Octal
115625433
10
Decimal
20392731
12
Duodecimal
69b5423
16
Hexadecimal
1372b1b
20
Vigesimal
6791gb
36
Base36
c534r
md5
aa0f8b23ddc5a215da01895c4208aa23
sha1
0f4767afe656b10af0b1fb35c56629068325290d
sha256
a97cce1a868ec3fe7aae222cda0c474d956c69973f6d2475c2fba8708cf7b0fb
sha512
8be79342f348b4e86064ef254ea1f0a5d117acceb0c6685130074546c35bfac9e8590958fdafabc85269f7a36e6a5e4a9a877b9307d7a8c1e3890aad7460bb18
ripemd-160
5780c7cf317234280e2e6e178a8923c0f878fc19
Diameter
40785462
Circumference
128131307.79247
Area
1.306473646245E+15
Volume
3.5523420835284E+22
Surface area
5.2258945849799E+15
Circumference
128131307.79247
Perimeter
81570924
Area
415863477638361
Diagonal
28839676.754026
Surface area
2495180865830166
Volume
8.4805920322036E+21
Space diagonal
35321246.197085
Perimeter
61178193
Area
1.8007416807048E+14
Altitude
17660623.098542
Surface area
1.8007416807048E+14
Volume
9.994473557413E+20
Height
9613225.5846754