20081691 (number)

20081691 is an odd 8-digits composite number following 20081690 and preceding 20081692. In scientific notation, it is written as 2.0081691 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 10975536 positive integers (up to 20081691) that are relatively prime to 20081691.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0081691 × 10^7
Engineering notation 2.0081691 × 10^6

Prime Factorization of 20081691

Prime Factorization 21 × 3 × 23 × 13859

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20081691
Product of the distinct prime numbers

The prime factorization of 20081691 is 21 × 3 × 23 × 13859. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 24, 69, 693, 638, 647, 8480, 51519, 48654, 511634, 202653, 1424465, 4190542, 15629530, 28976236, 378558575, 484328094, 2896587454, 3459049280

Basic calculations (n = 20081691)

Multiplication

n×y
n×2 40163382
n×3 60245073
n×4 80326764
n×5 100408455

Division

n÷y
n÷2 10040845.5
n÷3 6693897
n÷3 5020422.75
n÷5 4016338.2

Exponentiation

ny
n2 403274313419481
n3 8.0984301503272E+21
n4 1.6263017186395E+29
n5 3.2658888586488E+36

Nth Root

y√n
2√n 4481.2599790684
3√n 271.81083210164
4√n 66.942213729966
5√n 28.877530820891

Divisors of 20081691

1, 3, 21, 23, 63, 69, 483, 1449, 13859, 41577, 291039, 318757, 873117, 956271, 6693897, 20081691

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 -20081690
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 20081691 can be divided by 16 positive divisors. The sum of these divisors (counting 20081691) is 1, the average is 0.0625.

Base conversion 20081691

Base System Value
2 Binary 1001100100110110000011011
3 Ternary 1101210020220100
4 Quaternary 1030212300123
5 Quinary 20120103231
6 Senary 1554230443
8 Octal 114466033
10 Decimal 20081691
12 Duodecimal 6885423
16 Hexadecimal 1326c1b
20 Vigesimal 65a44b
36 Base36 byf4r

Cryptographic Hash Functions

md5 8d901aeb2a880cd4f35477ea32c3bf84
sha1 abb8dc8feddfc9648feb558b6c420d6251ea6e6e
sha256 3b917e47ed76b7ab4e610e5539285a4eb35d7ffc47e4933f3e037e2f063e4def
sha512 e6c54221bd85a83f500896deb3dce8251eeb3ac4fcd5beb50599b2d56a7559b85f7781983fa800ea987e8e049f9a96239099a7a8ce1a74d6fa154d7d13df0244
ripemd-160 b8ad2d22da079f0fe159ef8e4ca908d7af019772

20081691 as geometric shapes

Circle

Radius = n
Diameter 40163382
Circumference 126176985.83452
Area 1.2669236204201E+15

Sphere

Radius = n
Volume 3.3922624887837E+22
Surface area 5.0676944816804E+15
Circumference 126176985.83452

Square

Length = n
Perimeter 80326764
Area 403274313419481
Diagonal 28399799.767586

Cube

Length = n
Surface area 2419645880516886
Volume 8.0984301503272E+21
Space diagonal 34782509.113899

Equilateral Triangle

Length = n
Perimeter 60245073
Area 1.746229000575E+14
Altitude 17391254.556949

Triangular Pyramid

Length = n
Surface area 1.746229000575E+14
Volume 9.5440914604366E+20
Height 9466599.9225286