20461561 (number)

20461561 is an odd 8-digits composite number following 20461560 and preceding 20461562. In scientific notation, it is written as 2.0461561 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20173300 positive integers (up to 20461561) that are relatively prime to 20461561.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0461561 × 10^7
Engineering notation 2.0461561 × 10^6

Prime Factorization of 20461561

Prime Factorization 71 × 288191

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20461561
Product of the distinct prime numbers

The prime factorization of 20461561 is 71 × 288191. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20461561)

Multiplication

n×y
n×2 40923122
n×3 61384683
n×4 81846244
n×5 102307805

Division

n÷y
n÷2 10230780.5
n÷3 6820520.3333333
n÷3 5115390.25
n÷5 4092312.2

Exponentiation

ny
n2 418675478556721
n3 8.5667538436925E+21
n4 1.752891563447E+29
n5 3.5866897651856E+36

Nth Root

y√n
2√n 4523.4456999062
3√n 273.5140167967
4√n 67.256566221494
5√n 28.985964270638

Divisors of 20461561

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 -20461560
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 20461561 can be divided by 4 positive divisors. The sum of these divisors (counting 20461561) is 1, the average is 0.25.

Base conversion 20461561

Base System Value
2 Binary 1001110000011011111111001
3 Ternary 1102111112222121
4 Quaternary 1032003133321
5 Quinary 20214232221
6 Senary 2010321241
8 Octal 116033771
10 Decimal 20461561
12 Duodecimal 6a29221
16 Hexadecimal 13837f9
20 Vigesimal 67hdi1
36 Base36 c6k8p

Cryptographic Hash Functions

md5 2028b6b43b27fd3910001fd7f31439ce
sha1 5fb56998e9896b39e5441b710d54e602837eacc9
sha256 cfbf105b43d83195060bebfa6dc2bc451a8a331ec86abbe3bc0538859287eb75
sha512 8ae5b2e429d1a2b00bf079e1f37ca16aeeb0052a2eb0ce299f2635e6a24ac3b0773c4d7d6f9555b62b5902b6d13d41d3e8c273d1b82d82a255d9f38195cc1bfc
ripemd-160 9e4af2f439f92c96a8b0d0cd8922221ebbb897e7

20461561 as geometric shapes

Circle

Radius = n
Diameter 40923122
Circumference 128563779.43716
Area 1.315307807672E+15

Sphere

Radius = n
Volume 3.5884334587275E+22
Surface area 5.2612312306879E+15
Circumference 128563779.43716

Square

Length = n
Perimeter 81846244
Area 418675478556721
Diagonal 28937017.073524

Cube

Length = n
Surface area 2512052871340326
Volume 8.5667538436925E+21
Space diagonal 35440463.25417

Equilateral Triangle

Length = n
Perimeter 61384683
Area 1.8129180018586E+14
Altitude 17720231.627085

Triangular Pyramid

Length = n
Surface area 1.8129180018586E+14
Volume 1.0096016226052E+21
Height 9645672.3578415