20722561 (number)

20722561 is an odd 8-digits composite number following 20722560 and preceding 20722562. In scientific notation, it is written as 2.0722561 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20708800 positive integers (up to 20722561) that are relatively prime to 20722561.

Interesting facts

Basic properties

Name

Name twenty million seven hundred twenty-two thousand five hundred sixty-one

Notation

Scientific notation 2.0722561 × 10^7
Engineering notation 2.0722561 × 10^6

Prime Factorization of 20722561

Prime Factorization 1721 × 12041

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20722561
Product of the distinct prime numbers

The prime factorization of 20722561 is 1721 × 12041. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20722561)

Multiplication

n×y
n×2 41445122
n×3 62167683
n×4 82890244
n×5 103612805

Division

n÷y
n÷2 10361280.5
n÷3 6907520.3333333
n÷3 5180640.25
n÷5 4144512.2

Exponentiation

ny
n2 429424534398721
n3 8.8987761089741E+21
n4 1.8440543074356E+29
n5 3.8213527873147E+36

Nth Root

y√n
2√n 4552.2039717043
3√n 274.67205424938
4√n 67.470022763478
5√n 29.059536655902

Divisors of 20722561

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 -20722560
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 20722561 can be divided by 4 positive divisors. The sum of these divisors (counting 20722561) is 1, the average is 0.25.

Base conversion 20722561

Base System Value
2 Binary 1001111000011001110000001
3 Ternary 1102222211000021
4 Quaternary 1033003032001
5 Quinary 20301110221
6 Senary 2020053441
8 Octal 117031601
10 Decimal 20722561
12 Duodecimal 6b34281
16 Hexadecimal 13c3381
20 Vigesimal 69a681
36 Base36 cc5mp

Cryptographic Hash Functions

md5 38fdf1ece0dedc6764c4520fe9c9496c
sha1 d4a6426f396a2a32172603741dbad9220bfc2729
sha256 7c0d5b2c51bc1d602bbb1381eb8fbbcced2b038863f96d7d059ad6cca43694ba
sha512 42059231c35c85f96b2646ed4faf02997d0f107494a3cac03468381ce19c32202ac7c5444ba5e8f382aeba2b1e00844c56faaf0d3bfa4160f1b5ae7297cf620a
ripemd-160 59fed182c6f60869a987e20f52a2c17baece6c34

20722561 as geometric shapes

Circle

Radius = n
Diameter 41445122
Circumference 130203690.80233
Area 1.3490769625382E+15

Sphere

Radius = n
Volume 3.7275106199858E+22
Surface area 5.396307850153E+15
Circumference 130203690.80233

Square

Length = n
Perimeter 82890244
Area 429424534398721
Diagonal 29306126.813304

Cube

Length = n
Surface area 2576547206392326
Volume 8.8987761089741E+21
Space diagonal 35892528.514945

Equilateral Triangle

Length = n
Perimeter 62167683
Area 1.859462778988E+14
Altitude 17946264.257473

Triangular Pyramid

Length = n
Surface area 1.859462778988E+14
Volume 1.0487308218194E+21
Height 9768708.9377679