20549985 (number)

20549985 is an odd 8-digits composite number following 20549984 and preceding 20549986. In scientific notation, it is written as 2.0549985 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 10471680 positive integers (up to 20549985) that are relatively prime to 20549985.

Interesting facts

Basic properties

Name

Name twenty million five hundred forty-nine thousand nine hundred eighty-five

Notation

Scientific notation 2.0549985 × 10^7
Engineering notation 2.0549985 × 10^6

Prime Factorization of 20549985

Prime Factorization 15 × 61 × 37 × 607

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20549985
Product of the distinct prime numbers

The prime factorization of 20549985 is 15 × 61 × 37 × 607. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20549985)

Multiplication

n×y
n×2 41099970
n×3 61649955
n×4 82199940
n×5 102749925

Division

n÷y
n÷2 10274992.5
n÷3 6849995
n÷3 5137496.25
n÷5 4109997

Exponentiation

ny
n2 422301883500225
n3 8.6782973714014E+21
n4 1.7833888080784E+29
n5 3.6648613255179E+36

Nth Root

y√n
2√n 4533.2091282005
3√n 273.90744471889
4√n 67.329110555542
5√n 29.010973466103

Divisors of 20549985

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 -20549984
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 20549985 can be divided by 16 positive divisors. The sum of these divisors (counting 20549985) is 1, the average is 0.0625.

Base conversion 20549985

Base System Value
2 Binary 1001110011001000101100001
3 Ternary 1102200001021120
4 Quaternary 1032121011201
5 Quinary 20230044420
6 Senary 2012242453
8 Octal 116310541
10 Decimal 20549985
12 Duodecimal 6a70429
16 Hexadecimal 1399161
20 Vigesimal 688ej5
36 Base36 c8ggx

Cryptographic Hash Functions

md5 286fe81d1cb9c4a3ad357b47f5670a3c
sha1 b5a5ed3ba8207d55af0608fe6f4f400cd4c5ddc6
sha256 c29f0a1acd55531d3433281751c20202d8e10f49106e946985562b7b1db24caf
sha512 40e95e4c549bad1ded0e14444e359fc9f5b365cc428d17ea974fc7e9374f90e542691025c081b1c12f7234d58f0500fcbcc73efeb98882a480330e2c0be2f82e
ripemd-160 515d2de373310510ef253fe7cba239c144cf6124

20549985 as geometric shapes

Circle

Radius = n
Diameter 41099970
Circumference 129119363.81476
Area 1.3267004948014E+15

Sphere

Radius = n
Volume 3.635156702355E+22
Surface area 5.3068019792058E+15
Circumference 129119363.81476

Square

Length = n
Perimeter 82199940
Area 422301883500225
Diagonal 29062067.493564

Cube

Length = n
Surface area 2533811301001350
Volume 8.6782973714014E+21
Space diagonal 35593618.114778

Equilateral Triangle

Length = n
Perimeter 61649955
Area 1.8286207958861E+14
Altitude 17796809.057389

Triangular Pyramid

Length = n
Surface area 1.8286207958861E+14
Volume 1.0227471534119E+21
Height 9687355.8311879