20691261 (number)

20691261 is an odd 8-digits composite number following 20691260 and preceding 20691262. In scientific notation, it is written as 2.0691261 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 12752640 positive integers (up to 20691261) that are relatively prime to 20691261.

Interesting facts

Basic properties

Name

Name twenty million six hundred ninety-one thousand two hundred sixty-one

Notation

Scientific notation 2.0691261 × 10^7
Engineering notation 2.0691261 × 10^6

Prime Factorization of 20691261

Prime Factorization 9 × 3 × 17 × 61 × 739

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20691261
Product of the distinct prime numbers

The prime factorization of 20691261 is 9 × 3 × 17 × 61 × 739. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 10, 23, 11, 677, 842, 8131, 6949, 93450, 64795, 79101, 7961, 3669702, 4135312, 16915404, 39670231, 130880202, 306574003, 9671887322, 9230268533

Basic calculations (n = 20691261)

Multiplication

n×y
n×2 41382522
n×3 62073783
n×4 82765044
n×5 103456305

Division

n÷y
n÷2 10345630.5
n÷3 6897087
n÷3 5172815.25
n÷5 4138252.2

Exponentiation

ny
n2 428128281770121
n3 8.8585140195871E+21
n4 1.8329382565144E+29
n5 3.7925803862424E+36

Nth Root

y√n
2√n 4548.7647773874
3√n 274.53369349618
4√n 67.444531115483
5√n 29.050752861959

Divisors of 20691261

1, 3, 9, 17, 27, 51, 61, 153, 183, 459, 549, 739, 1037, 1647, 2217, 3111, 6651, 9333, 12563, 19953, 27999, 37689, 45079, 113067, 135237, 339201, 405711, 766343, 1217133, 2299029, 6897087, 20691261

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 -20691260
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 20691261 can be divided by 32 positive divisors. The sum of these divisors (counting 20691261) is 1, the average is 0.03125.

Base conversion 20691261

Base System Value
2 Binary 1001110111011100100111101
3 Ternary 1102221020002000
4 Quaternary 1032323210331
5 Quinary 20244110021
6 Senary 2015252513
8 Octal 116734475
10 Decimal 20691261
12 Duodecimal 6b1a139
16 Hexadecimal 13bb93d
20 Vigesimal 696831
36 Base36 cbhh9

Cryptographic Hash Functions

md5 a9e1bc4518fd2c52506608016e077dea
sha1 b908185edda0cd52339485e472f718c4bb5c8d68
sha256 3f6d028f754b698f8f9ccee2225e6836214b341d198f303e955ffeb050b3d9a3
sha512 5a39052fd9f4c0580090b33bfd9f3ce53f1cad84f8cf11b126626767dc3f880d4f6c01e373c98a68731e6c3990e9092f11c821e14381a5557ef2376bfcf3ce83
ripemd-160 e78fd631c60b2013ce10e8aef707ebba09854456

20691261 as geometric shapes

Circle

Radius = n
Diameter 41382522
Circumference 130007027.10222
Area 1.345004664803E+15

Sphere

Radius = n
Volume 3.7106456754209E+22
Surface area 5.3800186592121E+15
Circumference 130007027.10222

Square

Length = n
Perimeter 82765044
Area 428128281770121
Diagonal 29261861.928801

Cube

Length = n
Surface area 2568769690620726
Volume 8.8585140195871E+21
Space diagonal 35838315.324668

Equilateral Triangle

Length = n
Perimeter 62073783
Area 1.8538498404575E+14
Altitude 17919157.662334

Triangular Pyramid

Length = n
Surface area 1.8538498404575E+14
Volume 1.043985889081E+21
Height 9753953.9762672