20081091 (number)

20081091 is an odd 8-digits composite number following 20081090 and preceding 20081092. In scientific notation, it is written as 2.0081091 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13387392 positive integers (up to 20081091) that are relatively prime to 20081091.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand ninety-one

Notation

Scientific notation 2.0081091 × 10^7
Engineering notation 2.0081091 × 10^6

Prime Factorization of 20081091

Prime Factorization 3 × 6693697

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20081091
Product of the distinct prime numbers

The prime factorization of 20081091 is 3 × 6693697. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081091)

Multiplication

n×y
n×2 40162182
n×3 60243273
n×4 80324364
n×5 100405455

Division

n÷y
n÷2 10040545.5
n÷3 6693697
n÷3 5020272.75
n÷5 4016218.2

Exponentiation

ny
n2 403250215750281
n3 8.097704278251E+21
n4 1.6261073650265E+29
n5 3.2654009972867E+36

Nth Root

y√n
2√n 4481.1930331107
3√n 271.80812502344
4√n 66.941713700134
5√n 28.877358258475

Divisors of 20081091

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20081090
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081091 can be divided by 4 positive divisors. The sum of these divisors (counting 20081091) is 1, the average is 0.25.

Base conversion 20081091

Base System Value
2 Binary 1001100100110100111000011
3 Ternary 1101210020002010
4 Quaternary 1030212213003
5 Quinary 20120043331
6 Senary 1554224003
8 Octal 114464703
10 Decimal 20081091
12 Duodecimal 6885003
16 Hexadecimal 13269c3
20 Vigesimal 65a2eb
36 Base36 byeo3

Cryptographic Hash Functions

md5 902b708150fdb3ed157f2d7d0a8ef031
sha1 3f329653a65143dd349fb40386ec4f90bbcbffd4
sha256 a64f193a7df65710dac902e636d8f5fa2c9a6f09f6cfb9202f4991e79fa4961f
sha512 2463141ff4ad069215116abf503887b41859f5c800eacc51d169b6a87a018513e365a2959c6bdc221efca00b6d1457b647e710c35ed9d6e6a9020a03c9991a83
ripemd-160 719f7d11a2e4181162e02b636c834c9dbd8c01ee

20081091 as geometric shapes

Circle

Radius = n
Diameter 40162182
Circumference 126173215.92334
Area 1.2668479153596E+15

Sphere

Radius = n
Volume 3.3919584361995E+22
Surface area 5.0673916614383E+15
Circumference 126173215.92334

Square

Length = n
Perimeter 80324364
Area 403250215750281
Diagonal 28398951.239448

Cube

Length = n
Surface area 2419501294501686
Volume 8.097704278251E+21
Space diagonal 34781469.883414

Equilateral Triangle

Length = n
Perimeter 60243273
Area 1.7461246546065E+14
Altitude 17390734.941707

Triangular Pyramid

Length = n
Surface area 1.7461246546065E+14
Volume 9.543236011991E+20
Height 9466317.0798161