20451561 (number)

20451561 is an odd 8-digits composite number following 20451560 and preceding 20451562. In scientific notation, it is written as 2.0451561 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 11695104 positive integers (up to 20451561) that are relatively prime to 20451561.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand five hundred sixty-one

Notation

Scientific notation 2.0451561 × 10^7
Engineering notation 2.0451561 × 10^6

Prime Factorization of 20451561

Prime Factorization 3 × 221 × 109 × 283

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20451561
Product of the distinct prime numbers

The prime factorization of 20451561 is 3 × 221 × 109 × 283. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 10, 90, 323, 8, 8587, 2344, 82144, 43564, 21237, 770571, 3396704, 1832110, 99632675, 62881545, 289686096, 584442081, 835265360, 7303096924

Basic calculations (n = 20451561)

Multiplication

n×y
n×2 40903122
n×3 61354683
n×4 81806244
n×5 102257805

Division

n÷y
n÷2 10225780.5
n÷3 6817187
n÷3 5112890.25
n÷5 4090312.2

Exponentiation

ny
n2 418266347336721
n3 8.5541997168041E+21
n4 1.749467373144E+29
n5 3.5779338699365E+36

Nth Root

y√n
2√n 4522.340212766
3√n 273.46945216382
4√n 67.248347286502
5√n 28.983130505183

Divisors of 20451561

1, 3, 109, 221, 283, 327, 663, 849, 24089, 30847, 62543, 72267, 92541, 187629, 6817187, 20451561

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 -20451560
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 20451561 can be divided by 16 positive divisors. The sum of these divisors (counting 20451561) is 1, the average is 0.0625.

Base conversion 20451561

Base System Value
2 Binary 1001110000001000011101001
3 Ternary 1102111001021020
4 Quaternary 1032001003221
5 Quinary 20213422221
6 Senary 2010203053
8 Octal 116010351
10 Decimal 20451561
12 Duodecimal 6a23489
16 Hexadecimal 13810e9
20 Vigesimal 67g8i1
36 Base36 c6cix

Cryptographic Hash Functions

md5 028fadcfaafe6bba34567aa3bbc3f687
sha1 305040be4107e2da971e314f99cd5507504e6f1c
sha256 0b6b0f7071a1d1654fd8c8b327752b098e51998dad71b7491f296cd77872fc94
sha512 9b9e0ea437833433a11775f8eac6c5b8f129a9bbe00631fba22471f88c3a94529fe35696bc172d619c682d590bda3b1a6f115fa99d67eee7c577e278c8d58567
ripemd-160 9d7380e375cbcefc64440cd5849a86804f987254

20451561 as geometric shapes

Circle

Radius = n
Diameter 40903122
Circumference 128500947.58409
Area 1.3140224840369E+15

Sphere

Radius = n
Volume 3.5831747983536E+22
Surface area 5.2560899361475E+15
Circumference 128500947.58409

Square

Length = n
Perimeter 81806244
Area 418266347336721
Diagonal 28922874.937901

Cube

Length = n
Surface area 2509598084020326
Volume 8.5541997168041E+21
Space diagonal 35423142.746094

Equilateral Triangle

Length = n
Perimeter 61354683
Area 1.8111464117086E+14
Altitude 17711571.373047

Triangular Pyramid

Length = n
Surface area 1.8111464117086E+14
Volume 1.0081221045627E+21
Height 9640958.3126336