20507989 (number)

20507989 is an odd 8-digits composite number following 20507988 and preceding 20507990. In scientific notation, it is written as 2.0507989 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 20479500 positive integers (up to 20507989) that are relatively prime to 20507989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0507989 × 10^7
Engineering notation 2.0507989 × 10^6

Prime Factorization of 20507989

Prime Factorization 739 × 27751

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20507989
Product of the distinct prime numbers

The prime factorization of 20507989 is 739 × 27751. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20507989)

Multiplication

n×y
n×2 41015978
n×3 61523967
n×4 82031956
n×5 102539945

Division

n÷y
n÷2 10253994.5
n÷3 6835996.3333333
n÷3 5126997.25
n÷5 4101597.8

Exponentiation

ny
n2 420577612824121
n3 8.6252010574433E+21
n4 1.7688552840884E+29
n5 3.6275664708676E+36

Nth Root

y√n
2√n 4528.5747205937
3√n 273.72073149547
4√n 67.29468567869
5√n 28.999106382116

Divisors of 20507989

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 -20507988
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 20507989 can be divided by 4 positive divisors. The sum of these divisors (counting 20507989) is 1, the average is 0.25.

Base conversion 20507989

Base System Value
2 Binary 1001110001110110101010101
3 Ternary 1102120220200011
4 Quaternary 1032032311111
5 Quinary 20222223424
6 Senary 2011320221
8 Octal 116166525
10 Decimal 20507989
12 Duodecimal 6a50071
16 Hexadecimal 138ed55
20 Vigesimal 6839j9
36 Base36 c7k2d

Cryptographic Hash Functions

md5 ee08a37c8c096391b2b1319fd0e28e77
sha1 43814a73cc08fbf0268e69f2cbf6c04f60747fb8
sha256 7a8236f08bb1b1254f277ce19e741b4cd2a47607181badc2beb66c5c68505a8c
sha512 39da60e638fdce62bd8ab8143f55713115431ac4dd8c00c4f11008436ac229292c3d1dc258249aeb64e264c0295081a3322026d9be797eb6330226f6cc61a04b
ripemd-160 04c3eb84781c53c4e2c0dbf8f2c92a5e5dccd869

20507989 as geometric shapes

Circle

Radius = n
Diameter 41015978
Circumference 128855495.1646
Area 1.3212835387126E+15

Sphere

Radius = n
Volume 3.6129157703732E+22
Surface area 5.2851341548504E+15
Circumference 128855495.1646

Square

Length = n
Perimeter 82031956
Area 420577612824121
Diagonal 29002676.180798

Cube

Length = n
Surface area 2523465676944726
Volume 8.6252010574433E+21
Space diagonal 35520878.909064

Equilateral Triangle

Length = n
Perimeter 61523967
Area 1.8211544848435E+14
Altitude 17760439.454532

Triangular Pyramid

Length = n
Surface area 1.8211544848435E+14
Volume 1.0164896928026E+21
Height 9667558.7269328