20691388 (number)

20691388 is an even 8-digits composite number following 20691387 and preceding 20691389. In scientific notation, it is written as 2.0691388 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 9945600 positive integers (up to 20691388) that are relatively prime to 20691388.

Interesting facts

Basic properties

Name

Name twenty million six hundred ninety-one thousand three hundred eighty-eight

Notation

Scientific notation 2.0691388 × 10^7
Engineering notation 2.0691388 × 10^6

Prime Factorization of 20691388

Prime Factorization 2 × 2 × 1777 × 41 × 71

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10345694
Product of the distinct prime numbers

The prime factorization of 20691388 is 2 × 2 × 1777 × 41 × 71. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 7, 10, 82, 834, 191, 3898, 2385, 39689, 46949, 446043, 793259, 6080822, 7764792, 61638787, 40990415, 305408079, 264953094, 3378370210, 7788246213

Basic calculations (n = 20691388)

Multiplication

n×y
n×2 41382776
n×3 62074164
n×4 82765552
n×5 103456940

Division

n÷y
n÷2 10345694
n÷3 6897129.3333333
n÷3 5172847
n÷5 4138277.6

Exponentiation

ny
n2 428133537366544
n3 8.8586771374637E+21
n4 1.8329832581799E+29
n5 3.7926967792504E+36

Nth Root

y√n
2√n 4548.7787371997
3√n 274.53425517788
4√n 67.444634606466
5√n 29.050788523744

Divisors of 20691388

1, 2, 4, 41, 71, 82, 142, 164, 284, 1777, 2911, 3554, 5822, 7108, 11644, 72857, 126167, 145714, 252334, 291428, 504668, 5172847, 10345694, 20691388

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 -20691387
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 20691388 can be divided by 24 positive divisors. The sum of these divisors (counting 20691388) is 1, the average is 0.041666666666667.

Base conversion 20691388

Base System Value
2 Binary 1001110111011100110111100
3 Ternary 1102221020020201
4 Quaternary 1032323212330
5 Quinary 20244111023
6 Senary 2015253244
8 Octal 116734674
10 Decimal 20691388
12 Duodecimal 6b1a224
16 Hexadecimal 13bb9bc
20 Vigesimal 696898
36 Base36 cbhks

Cryptographic Hash Functions

md5 83c1031b1efb4bb6878a9d467b2aa417
sha1 fa27e8fcdaf05ea538fd856e45fcffff7c0bc9ed
sha256 68f345c52af8268894b7532575a2d1149b47a90e83992ddfaaf0b4c8cc00f9cc
sha512 b359571c66e01582e693cec6723ad71c38e2687f9bda8573b4b14864f72fee5dabd29f129919090b928c454df805ca8ea6e5f21e07b9a82521b5078668f980fe
ripemd-160 60b3f72bdd1b062246f1fee19691002d8174a9b7

20691388 as geometric shapes

Circle

Radius = n
Diameter 41382776
Circumference 130007825.06675
Area 1.3450211757461E+15

Sphere

Radius = n
Volume 3.7107140020773E+22
Surface area 5.3800847029846E+15
Circumference 130007825.06675

Square

Length = n
Perimeter 82765552
Area 428133537366544
Diagonal 29262041.533924

Cube

Length = n
Surface area 2568801224199264
Volume 8.8586771374637E+21
Space diagonal 35838535.295121

Equilateral Triangle

Length = n
Perimeter 62074164
Area 1.8538725978576E+14
Altitude 17919267.64756

Triangular Pyramid

Length = n
Surface area 1.8538725978576E+14
Volume 1.0440051127071E+21
Height 9754013.8446413