20781725 (number)

20781725 is an odd 8-digits composite number following 20781724 and preceding 20781726. In scientific notation, it is written as 2.0781725 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 15491520 positive integers (up to 20781725) that are relatively prime to 20781725.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-one thousand seven hundred twenty-five

Notation

Scientific notation 2.0781725 × 10^7
Engineering notation 2.0781725 × 10^6

Prime Factorization of 20781725

Prime Factorization 5 × 95 × 67 × 653

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20781725
Product of the distinct prime numbers

The prime factorization of 20781725 is 5 × 95 × 67 × 653. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20781725)

Multiplication

n×y
n×2 41563450
n×3 62345175
n×4 83126900
n×5 103908625

Division

n÷y
n÷2 10390862.5
n÷3 6927241.6666667
n÷3 5195431.25
n÷5 4156345

Exponentiation

ny
n2 431880093975625
n3 8.9752133459756E+21
n4 1.8652041557239E+29
n5 3.8762159833112E+36

Nth Root

y√n
2√n 4558.6977307121
3√n 274.93320691884
4√n 67.518128904111
5√n 29.076111039072

Divisors of 20781725

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 -20781724
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 20781725 can be divided by 16 positive divisors. The sum of these divisors (counting 20781725) is 1, the average is 0.0625.

Base conversion 20781725

Base System Value
2 Binary 1001111010001101010011101
3 Ternary 1110002211011112
4 Quaternary 1033101222131
5 Quinary 20310003400
6 Senary 2021231405
8 Octal 117215235
10 Decimal 20781725
12 Duodecimal 6b62565
16 Hexadecimal 13d1a9d
20 Vigesimal 69he65
36 Base36 cdfa5

Cryptographic Hash Functions

md5 865c8f6e7f889b05b6a9813b3dee5536
sha1 ede3f7ff55c58b0875b9f1a73e93e0c3040f2807
sha256 ff2628e725897e47492dc507d01482d2fb5c7d468f186a7268715b7c51ded4b7
sha512 a3cfd87349b6742c99f0883816a1e72e01cadd12d781ec94469939f0e894ac790f2eb360c49aeaeb0ec7888126a12afd05ae70d826796ee42799f9b3285047c2
ripemd-160 7b224df79a492c3d34dfdfb2628958ddef3fb3e4

20781725 as geometric shapes

Circle

Radius = n
Diameter 41563450
Circumference 130575429.17785
Area 1.3567913304655E+15

Sphere

Radius = n
Volume 3.7595285749491E+22
Surface area 5.427165321862E+15
Circumference 130575429.17785

Square

Length = n
Perimeter 83126900
Area 431880093975625
Diagonal 29389797.344508

Cube

Length = n
Surface area 2591280563853750
Volume 8.9752133459756E+21
Space diagonal 35995003.568924

Equilateral Triangle

Length = n
Perimeter 62345175
Area 1.8700956638585E+14
Altitude 17997501.784462

Triangular Pyramid

Length = n
Surface area 1.8700956638585E+14
Volume 1.0577390365892E+21
Height 9796599.114836