20791731 (number)

20791731 is an odd 8-digits composite number following 20791730 and preceding 20791732. In scientific notation, it is written as 2.0791731 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 12624000 positive integers (up to 20791731) that are relatively prime to 20791731.

Interesting facts

Basic properties

Name

Name twenty million seven hundred ninety-one thousand seven hundred thirty-one

Notation

Scientific notation 2.0791731 × 10^7
Engineering notation 2.0791731 × 10^6

Prime Factorization of 20791731

Prime Factorization 3 × 17 × 31 × 13151

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20791731
Product of the distinct prime numbers

The prime factorization of 20791731 is 3 × 17 × 31 × 13151. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 8, 85, 69, 540, 4, 6599, 8389, 89691, 9351, 53139, 53677, 1938227, 3540920, 20439880, 53945294, 450045460, 660598530, 7031723667, 8284401593

Basic calculations (n = 20791731)

Multiplication

n×y
n×2 41583462
n×3 62375193
n×4 83166924
n×5 103958655

Division

n÷y
n÷2 10395865.5
n÷3 6930577
n÷3 5197932.75
n÷5 4158346.2

Exponentiation

ny
n2 432296077976361
n3 8.9881837656395E+21
n4 1.8687989903374E+29
n5 3.8855565900168E+36

Nth Root

y√n
2√n 4559.7950611842
3√n 274.97732485213
4√n 67.526254606517
5√n 29.078910417385

Divisors of 20791731

1, 3, 17, 31, 51, 93, 527, 1581, 13151, 39453, 223567, 407681, 670701, 1223043, 6930577, 20791731

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20791730
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20791731 can be divided by 16 positive divisors. The sum of these divisors (counting 20791731) is 1, the average is 0.0625.

Base conversion 20791731

Base System Value
2 Binary 1001111010100000110110011
3 Ternary 1110010022220010
4 Quaternary 1033110012303
5 Quinary 20310313411
6 Senary 2021350003
8 Octal 117240663
10 Decimal 20791731
12 Duodecimal 6b68303
16 Hexadecimal 13d41b3
20 Vigesimal 69ij6b
36 Base36 cdn03

Cryptographic Hash Functions

md5 871da0e3145874ec90afce56f95e035a
sha1 1d6293b13b674a0d89ad3a14b5dee66079770add
sha256 ce667645331f1226538458f622c3cfc37475d31c221c891ac196f78e1f0c33e1
sha512 806fea8fa7f8141db90cdb7dae8ff6b307f626f86666d1c498e95bcd558a53ed2870ff435962245354194ef2ee048750f2780d0de374d3af864565d1d5395fcb
ripemd-160 f65a1d3cb083d77b956dbabe25b3e8d01574704b

20791731 as geometric shapes

Circle

Radius = n
Diameter 41583462
Circumference 130638298.73003
Area 1.3580981827462E+15

Sphere

Radius = n
Volume 3.7649616116331E+22
Surface area 5.4323927309849E+15
Circumference 130638298.73003

Square

Length = n
Perimeter 83166924
Area 432296077976361
Diagonal 29403947.965413

Cube

Length = n
Surface area 2593776467858166
Volume 8.9881837656395E+21
Space diagonal 36012334.469305

Equilateral Triangle

Length = n
Perimeter 62375193
Area 1.8718969274195E+14
Altitude 18006167.234652

Triangular Pyramid

Length = n
Surface area 1.8718969274195E+14
Volume 1.0592676152058E+21
Height 9801315.988471