20688540 (number)

20688540 is an even 8-digits composite number following 20688539 and preceding 20688541. In scientific notation, it is written as 2.0688540 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 5497920 positive integers (up to 20688540) that are relatively prime to 20688540.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-eight thousand five hundred forty

Notation

Scientific notation 2.0688540 × 10^7
Engineering notation 2.0688540 × 10^6

Prime Factorization of 20688540

Prime Factorization 2 × 2 × 15 × 499 × 691

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10344270
Product of the distinct prime numbers

The prime factorization of 20688540 is 2 × 2 × 15 × 499 × 691. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 5, 52, 86, 717, 155, 4240, 7396, 57927, 11839, 42806, 772671, 5236627, 648815, 80690783, 97008443, 244631686, 463766813, 6556840508, 9660986901

Basic calculations (n = 20688540)

Multiplication

n×y
n×2 41377080
n×3 62065620
n×4 82754160
n×5 103442700

Division

n÷y
n÷2 10344270
n÷3 6896180
n÷3 5172135
n÷5 4137708

Exponentiation

ny
n2 428015687331600
n3 8.8550196679873E+21
n4 1.8319742860194E+29
n5 3.7900873295284E+36

Nth Root

y√n
2√n 4548.4656753679
3√n 274.52165880309
4√n 67.442313686349
5√n 29.049988759114

Divisors of 20688540

1, 2, 4, 15, 30, 60, 499, 691, 998, 1382, 1996, 2764, 7485, 10365, 14970, 20730, 29940, 41460, 344809, 689618, 1379236, 5172135, 10344270, 20688540

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20688539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20688540 can be divided by 24 positive divisors. The sum of these divisors (counting 20688540) is 1, the average is 0.041666666666667.

Base conversion 20688540

Base System Value
2 Binary 1001110111010111010011100
3 Ternary 1102221002100020
4 Quaternary 1032322322130
5 Quinary 20244013130
6 Senary 2015232140
8 Octal 116727234
10 Decimal 20688540
12 Duodecimal 6b18650
16 Hexadecimal 13bae9c
20 Vigesimal 696170
36 Base36 cbfdo

Cryptographic Hash Functions

md5 273ace9fd83ee61f7179e9b3002d517d
sha1 4b8d7e1a3d664def1e050075edb651272b8e3ff2
sha256 dada6067a1c22f0664d06917d1c143e19a777431465ea63ed092e4d9368c26c0
sha512 655ba1c3d5e5a504e800652d15f30ac28b3a0d4fcc49152c72da60cb1e84f63c157cb01077fb05f20644dcf02e8b14302a66c81c854630cb5bafb352c9fb4307
ripemd-160 a7495d639e1d3aed5cd68b52e79df82aa28a57f2

20688540 as geometric shapes

Circle

Radius = n
Diameter 41377080
Circumference 129989930.555
Area 1.3446509389421E+15

Sphere

Radius = n
Volume 3.7091819648456E+22
Surface area 5.3786037557686E+15
Circumference 129989930.555

Square

Length = n
Perimeter 82754160
Area 428015687331600
Diagonal 29258013.853698

Cube

Length = n
Surface area 2568094123989600
Volume 8.8550196679873E+21
Space diagonal 35833602.414421

Equilateral Triangle

Length = n
Perimeter 62065620
Area 1.8533622922371E+14
Altitude 17916801.207211

Triangular Pyramid

Length = n
Surface area 1.8533622922371E+14
Volume 1.0435740757957E+21
Height 9752671.2845661