20451291 (number)

20451291 is an odd 8-digits composite number following 20451290 and preceding 20451292. In scientific notation, it is written as 2.0451291 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 11610144 positive integers (up to 20451291) that are relatively prime to 20451291.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand two hundred ninety-one

Notation

Scientific notation 2.0451291 × 10^7
Engineering notation 2.0451291 × 10^6

Prime Factorization of 20451291

Prime Factorization 3 × 7 × 157 × 6203

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20451291
Product of the distinct prime numbers

The prime factorization of 20451291 is 3 × 7 × 157 × 6203. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20451291)

Multiplication

n×y
n×2 40902582
n×3 61353873
n×4 81805164
n×5 102256455

Division

n÷y
n÷2 10225645.5
n÷3 6817097
n÷3 5112822.75
n÷5 4090258.2

Exponentiation

ny
n2 418255303566681
n3 8.5538609255355E+21
n4 1.7493749896166E+29
n5 3.577697698077E+36

Nth Root

y√n
2√n 4522.3103608664
3√n 273.46824871734
4√n 67.248125333473
5√n 28.983053978149

Divisors of 20451291

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 -20451290
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 20451291 can be divided by 16 positive divisors. The sum of these divisors (counting 20451291) is 1, the average is 0.0625.

Base conversion 20451291

Base System Value
2 Binary 1001110000000111111011011
3 Ternary 1102111000220020
4 Quaternary 1032000333123
5 Quinary 20213420131
6 Senary 2010201523
8 Octal 116007733
10 Decimal 20451291
12 Duodecimal 6a232a3
16 Hexadecimal 1380fdb
20 Vigesimal 67g84b
36 Base36 c6cbf

Cryptographic Hash Functions

md5 53c554b588d227ec02d9765b6ee13512
sha1 67e273aef0c03d290f0e110fae6c2601183a7508
sha256 9f1e5df485393658d06635423aaddc14ffe35fbeeef75abaa8fba86d53dec113
sha512 bc81df70b8c96dff11b83fb0654058b969633b92a3c9b9b4bd11a188f015412b8445c78b8904993723121a42d8138b01f3300f872aa8f63d02ea7a16d102c8a9
ripemd-160 f08792e0de3ad3c6ed7e188bc59e2bc952f3c5b3

20451291 as geometric shapes

Circle

Radius = n
Diameter 40902582
Circumference 128499251.12405
Area 1.3139877890101E+15

Sphere

Radius = n
Volume 3.5830328857988E+22
Surface area 5.2559511560402E+15
Circumference 128499251.12405

Square

Length = n
Perimeter 81805164
Area 418255303566681
Diagonal 28922493.100239

Cube

Length = n
Surface area 2509531821400086
Volume 8.5538609255355E+21
Space diagonal 35422675.092376

Equilateral Triangle

Length = n
Perimeter 61353873
Area 1.8110985907816E+14
Altitude 17711337.546188

Triangular Pyramid

Length = n
Surface area 1.8110985907816E+14
Volume 1.0080821776288E+21
Height 9640831.0334129