20442989 (number)

20442989 is an odd 8-digits composite number following 20442988 and preceding 20442990. In scientific notation, it is written as 2.0442989 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 17522556 positive integers (up to 20442989) that are relatively prime to 20442989.

Interesting facts

Basic properties

Name

Name twenty million four hundred forty-two thousand nine hundred eighty-nine

Notation

Scientific notation 2.0442989 × 10^7
Engineering notation 2.0442989 × 10^6

Prime Factorization of 20442989

Prime Factorization 7 × 2920427

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20442989
Product of the distinct prime numbers

The prime factorization of 20442989 is 7 × 2920427. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20442989)

Multiplication

n×y
n×2 40885978
n×3 61328967
n×4 81771956
n×5 102214945

Division

n÷y
n÷2 10221494.5
n÷3 6814329.6666667
n÷3 5110747.25
n÷5 4088597.8

Exponentiation

ny
n2 417915799254121
n3 8.5434480870782E+21
n4 1.7465361526621E+29
n5 3.5704419356974E+36

Nth Root

y√n
2√n 4521.392374037
3√n 273.43123979572
4√n 67.241299615913
5√n 28.980700518955

Divisors of 20442989

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 -20442988
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 20442989 can be divided by 4 positive divisors. The sum of these divisors (counting 20442989) is 1, the average is 0.25.

Base conversion 20442989

Base System Value
2 Binary 1001101111110111101101101
3 Ternary 1102110121111202
4 Quaternary 1031332331231
5 Quinary 20213133424
6 Senary 2010055245
8 Octal 115767555
10 Decimal 20442989
12 Duodecimal 6a1a525
16 Hexadecimal 137ef6d
20 Vigesimal 67f799
36 Base36 c65wt

Cryptographic Hash Functions

md5 578e6d65964b6de8e368473d524780e5
sha1 7d87575edeae40781dbe36817ded0d68a62c9604
sha256 4fea9a21f2a159372d9ea0d526844de73745298514e2f53c60764486cac6eb54
sha512 2ccd100847508e3130f24116d5634ec9cafc4acc41d79493255a803be6ba1056464f518c76f089b014b9d6762cd26244890cbe00805be4bc6cfc78aa3bdbafa5
ripemd-160 fecd767a00a910aa8cceecfa0832f94989403116

20442989 as geometric shapes

Circle

Radius = n
Diameter 40885978
Circumference 128447088.11963
Area 1.3129212047559E+15

Sphere

Radius = n
Volume 3.5786711662254E+22
Surface area 5.2516848190234E+15
Circumference 128447088.11963

Square

Length = n
Perimeter 81771956
Area 417915799254121
Diagonal 28910752.299244

Cube

Length = n
Surface area 2507494795524726
Volume 8.5434480870782E+21
Space diagonal 35408295.606572

Equilateral Triangle

Length = n
Perimeter 61328967
Area 1.8096284939847E+14
Altitude 17704147.803286

Triangular Pyramid

Length = n
Surface area 1.8096284939847E+14
Volume 1.006855012848E+21
Height 9636917.4330813