20389915 (number)

20389915 is an odd 8-digits composite number following 20389914 and preceding 20389916. In scientific notation, it is written as 2.0389915 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors. There are 12579840 positive integers (up to 20389915) that are relatively prime to 20389915.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-nine thousand nine hundred fifteen

Notation

Scientific notation 2.0389915 × 10^7
Engineering notation 2.0389915 × 10^6

Prime Factorization of 20389915

Prime Factorization 5 × 7 × 13 × 41 × 1093

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20389915
Product of the distinct prime numbers

The prime factorization of 20389915 is 5 × 7 × 13 × 41 × 1093. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20389915)

Multiplication

n×y
n×2 40779830
n×3 61169745
n×4 81559660
n×5 101949575

Division

n÷y
n÷2 10194957.5
n÷3 6796638.3333333
n÷3 5097478.75
n÷5 4077983

Exponentiation

ny
n2 415748633707225
n3 8.4770793026565E+21
n4 1.7284692642942E+29
n5 3.5243341379072E+36

Nth Root

y√n
2√n 4515.5193499751
3√n 273.1944077208
4√n 67.197614168772
5√n 28.965636953661

Divisors of 20389915

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 -20389914
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 20389915 can be divided by 32 positive divisors. The sum of these divisors (counting 20389915) is 1, the average is 0.03125.

Base conversion 20389915

Base System Value
2 Binary 1001101110010000000011011
3 Ternary 1102100220201001
4 Quaternary 1031302000123
5 Quinary 20204434130
6 Senary 2005005431
8 Octal 115620033
10 Decimal 20389915
12 Duodecimal 69b3877
16 Hexadecimal 137201b
20 Vigesimal 678eff
36 Base36 c50yj

Cryptographic Hash Functions

md5 3196e8d668438ecc226cce0f1327090a
sha1 6bdfa9365e62b4b38c2c79c4c484e6ecc4355e29
sha256 f7c0a9af65fd8b4890a1cfa3d65127aa0cd1a570280ec6197ed9aabcb760be78
sha512 053b99845350fa56b412e289e68532f17a782f5acf65e3fc225a1fc49491814071baeaa0a153baa406dd87ca30d89863c7e41ee05dca9ed755d9a83203bcf664
ripemd-160 fcc76ab9c1a791b2211412b649cfa2cfe9901a71

20389915 as geometric shapes

Circle

Radius = n
Diameter 40779830
Circumference 128113614.34264
Area 1.3061128533946E+15

Sphere

Radius = n
Volume 3.5508706748165E+22
Surface area 5.2244514135784E+15
Circumference 128113614.34264

Square

Length = n
Perimeter 81559660
Area 415748633707225
Diagonal 28835694.328635

Cube

Length = n
Surface area 2494491802243350
Volume 8.4770793026565E+21
Space diagonal 35316368.742011

Equilateral Triangle

Length = n
Perimeter 61169745
Area 1.8002443918956E+14
Altitude 17658184.371005

Triangular Pyramid

Length = n
Surface area 1.8002443918956E+14
Volume 9.9903337659408E+20
Height 9611898.1095449