20127989 (number)

20127989 is an odd 8-digits composite number following 20127988 and preceding 20127990. In scientific notation, it is written as 2.0127989 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 17252556 positive integers (up to 20127989) that are relatively prime to 20127989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0127989 × 10^7
Engineering notation 2.0127989 × 10^6

Prime Factorization of 20127989

Prime Factorization 7 × 2875427

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20127989
Product of the distinct prime numbers

The prime factorization of 20127989 is 7 × 2875427. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20127989)

Multiplication

n×y
n×2 40255978
n×3 60383967
n×4 80511956
n×5 100639945

Division

n÷y
n÷2 10063994.5
n÷3 6709329.6666667
n÷3 5031997.25
n÷5 4025597.8

Exponentiation

ny
n2 405135941184121
n3 8.1545717676586E+21
n4 1.6413513083914E+29
n5 3.3037101080438E+36

Nth Root

y√n
2√n 4486.4227397783
3√n 272.01955687669
4√n 66.980763953379
5√n 28.89083389062

Divisors of 20127989

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 -20127988
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 20127989 can be divided by 4 positive divisors. The sum of these divisors (counting 20127989) is 1, the average is 0.25.

Base conversion 20127989

Base System Value
2 Binary 1001100110010000011110101
3 Ternary 1101212121102002
4 Quaternary 1030302003311
5 Quinary 20123043424
6 Senary 1555225045
8 Octal 114620365
10 Decimal 20127989
12 Duodecimal 68a8185
16 Hexadecimal 13320f5
20 Vigesimal 65fjj9
36 Base36 bzeut

Cryptographic Hash Functions

md5 ea301e8451fc23e299c9243dc34d0b56
sha1 47237190a586bfa7b6105367f77c844eb40fbe66
sha256 4e9e2c340b6782fcbfe6169ef73d73e2658032ff71eba5dc130ca7a49d63d483
sha512 0c422e2570ce5adf65d7e0f73f19e4a79a317551dc8690c51adcf13a3386d7ec80e1ac66faf2c6f56420a576a4b6dd20205f84e61b6c9fc7c6a979fb453a94be
ripemd-160 f69ca3d221f0231d085eff530a0d4ce71ae1ed8f

20127989 as geometric shapes

Circle

Radius = n
Diameter 40255978
Circumference 126467884.74787
Area 1.2727720965292E+15

Sphere

Radius = n
Volume 3.4157790344596E+22
Surface area 5.0910883861169E+15
Circumference 126467884.74787

Square

Length = n
Perimeter 80511956
Area 405135941184121
Diagonal 28465275.027096

Cube

Length = n
Surface area 2430815647104726
Volume 8.1545717676586E+21
Space diagonal 34862699.602187

Equilateral Triangle

Length = n
Perimeter 60383967
Area 1.7542900852578E+14
Altitude 17431349.801094

Triangular Pyramid

Length = n
Surface area 1.7542900852578E+14
Volume 9.610254990973E+20
Height 9488425.0090322