20205989 (number)

20205989 is an odd 8-digits composite number following 20205988 and preceding 20205990. In scientific notation, it is written as 2.0205989 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 19648000 positive integers (up to 20205989) that are relatively prime to 20205989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0205989 × 10^7
Engineering notation 2.0205989 × 10^6

Prime Factorization of 20205989

Prime Factorization 41 × 1229 × 401

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20205989
Product of the distinct prime numbers

The prime factorization of 20205989 is 41 × 1229 × 401. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20205989)

Multiplication

n×y
n×2 40411978
n×3 60617967
n×4 80823956
n×5 101029945

Division

n÷y
n÷2 10102994.5
n÷3 6735329.6666667
n÷3 5051497.25
n÷5 4041197.8

Exponentiation

ny
n2 408281991468121
n3 8.2497414285029E+21
n4 1.6669418455717E+29
n5 3.3682208595262E+36

Nth Root

y√n
2√n 4495.1072289769
3√n 272.37048077175
4√n 67.045560844674
5√n 28.913190819179

Divisors of 20205989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20205988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20205989 can be divided by 8 positive divisors. The sum of these divisors (counting 20205989) is 1, the average is 0.125.

Base conversion 20205989

Base System Value
2 Binary 1001101000101000110100101
3 Ternary 1102000120101222
4 Quaternary 1031011012211
5 Quinary 20133042424
6 Senary 2001030125
8 Octal 115050645
10 Decimal 20205989
12 Duodecimal 6925345
16 Hexadecimal 13451a5
20 Vigesimal 665ej9
36 Base36 c131h

Cryptographic Hash Functions

md5 1ad9d1ac3aa2a319740f2b7a2ad5dc60
sha1 31e0159d02e9b0c49b65b823af8be9671d2b074e
sha256 baa2fc91edc9e407ef121b9ef71d96de1fac85581a114370f71c0928a7679ec3
sha512 d4c5bf2baf988312c7be19c132648514331da143769528562c6f255b9e1791bc44ec0302981122caa81fabf34b5209e57ce8846d5369157df8dea7b08b03fa8c
ripemd-160 d3da2ea4d012843ecf4010175a526d3f4ab3b81a

20205989 as geometric shapes

Circle

Radius = n
Diameter 40411978
Circumference 126957973.20183
Area 1.2826557049893E+15

Sphere

Radius = n
Volume 3.4556436087734E+22
Surface area 5.130622819957E+15
Circumference 126957973.20183

Square

Length = n
Perimeter 80823956
Area 408281991468121
Diagonal 28575583.684962

Cube

Length = n
Surface area 2449691948808726
Volume 8.2497414285029E+21
Space diagonal 34997799.565178

Equilateral Triangle

Length = n
Perimeter 60617967
Area 1.7679128825955E+14
Altitude 17498899.782589

Triangular Pyramid

Length = n
Surface area 1.7679128825955E+14
Volume 9.7224135118834E+20
Height 9525194.5616539