20289990 (number)

20289990 is an even 8-digits composite number following 20289989 and preceding 20289991. In scientific notation, it is written as 2.0289990 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 4547712 positive integers (up to 20289990) that are relatively prime to 20289990.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0289990 × 10^7
Engineering notation 2.0289990 × 10^6

Prime Factorization of 20289990

Prime Factorization 2 × 21 × 5 × 53 × 1823

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20289990
Product of the distinct prime numbers

The prime factorization of 20289990 is 2 × 21 × 5 × 53 × 1823. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20289990)

Multiplication

n×y
n×2 40579980
n×3 60869970
n×4 81159960
n×5 101449950

Division

n÷y
n÷2 10144995
n÷3 6763330
n÷3 5072497.5
n÷5 4057998

Exponentiation

ny
n2 411683694200100
n3 8.3530580384831E+21
n4 1.6948346407024E+29
n5 3.4388177911506E+36

Nth Root

y√n
2√n 4504.4411418066
3√n 272.74739477797
4√n 67.115133478275
5√n 28.937190716009

Divisors of 20289990

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20289989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20289990 can be divided by 32 positive divisors. The sum of these divisors (counting 20289990) is 1, the average is 0.03125.

Base conversion 20289990

Base System Value
2 Binary 1001101011001100111000110
3 Ternary 1102011211122010
4 Quaternary 1031121213012
5 Quinary 20143234430
6 Senary 2002515050
8 Octal 115314706
10 Decimal 20289990
12 Duodecimal 6965a86
16 Hexadecimal 13599c6
20 Vigesimal 66g4ja
36 Base36 c2vuu

Cryptographic Hash Functions

md5 8e066c60f78ca69a0df38b7bb2d62e9e
sha1 e3d8f19e1d037896b0a774b77f4a270d5ee56c5b
sha256 c31a730f2a12322f0b10f8a70ea989b4418e7ec5fc55fda16839f525d3a28369
sha512 843cce5d52c7ec38bd2730832c973695d3a34d252dd9203474ec1c8f39fbeeed16ec631904be7bd4d3862d1923fe2737be2a38fd91dd9965206cf07b8f41088a
ripemd-160 cf3921dafa73446d3f14c424439d49c846c4f7a9

20289990 as geometric shapes

Circle

Radius = n
Diameter 40579980
Circumference 127485767.05082
Area 1.2933424693017E+15

Sphere

Radius = n
Volume 3.498920769161E+22
Surface area 5.173369877207E+15
Circumference 127485767.05082

Square

Length = n
Perimeter 81159960
Area 411683694200100
Diagonal 28694379.038414

Cube

Length = n
Surface area 2470102165200600
Volume 8.3530580384831E+21
Space diagonal 35143293.565064

Equilateral Triangle

Length = n
Perimeter 60869970
Area 1.7826426875056E+14
Altitude 17571646.782532

Triangular Pyramid

Length = n
Surface area 1.7826426875056E+14
Volume 9.844173304427E+20
Height 9564793.0128048