20138915 (number)

20138915 is an odd 8-digits composite number following 20138914 and preceding 20138916. In scientific notation, it is written as 2.0138915 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 14990976 positive integers (up to 20138915) that are relatively prime to 20138915.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand nine hundred fifteen

Notation

Scientific notation 2.0138915 × 10^7
Engineering notation 2.0138915 × 10^6

Prime Factorization of 20138915

Prime Factorization 5 × 37 × 23 × 4733

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20138915
Product of the distinct prime numbers

The prime factorization of 20138915 is 5 × 37 × 23 × 4733. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 74, 17, 612, 41, 4437, 1869, 54391, 99170, 200922, 511507, 5346827, 4598172, 17106563, 43694940, 800821039, 230295220, 2153267336, 2544743386

Basic calculations (n = 20138915)

Multiplication

n×y
n×2 40277830
n×3 60416745
n×4 80555660
n×5 100694575

Division

n÷y
n÷2 10069457.5
n÷3 6712971.6666667
n÷3 5034728.75
n÷5 4027783

Exponentiation

ny
n2 405575897377225
n3 8.1678585233287E+21
n4 1.6449180853334E+29
n5 3.3126865502492E+36

Nth Root

y√n
2√n 4487.6402485048
3√n 272.06876775522
4√n 66.989851832235
5√n 28.893969750181

Divisors of 20138915

1, 5, 23, 37, 115, 185, 851, 4255, 4733, 23665, 108859, 175121, 544295, 875605, 4027783, 20138915

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20138914
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20138915 can be divided by 16 positive divisors. The sum of these divisors (counting 20138915) is 1, the average is 0.0625.

Base conversion 20138915

Base System Value
2 Binary 1001100110100101110100011
3 Ternary 1101220011101202
4 Quaternary 1030310232203
5 Quinary 20123421130
6 Senary 1555351415
8 Octal 114645643
10 Decimal 20138915
12 Duodecimal 68b256b
16 Hexadecimal 1334ba3
20 Vigesimal 65h75f
36 Base36 bznab

Cryptographic Hash Functions

md5 8bf5e20890a53a285ba8eb55aadccb86
sha1 e45f3ec36f227075bc90f74d1ab5ee93a4630176
sha256 b671a3656a572be7e089712578bd90d4e18eeb28dd5b8bda09ae210ea917c9d5
sha512 4df5a43c96f1927020cd4fb31ca67c40ef207d920bfa628e33304d032807196029ebf02158092ddd28889f9dccaeb8450b5f8450a933752f4cd25a91879cec01
ripemd-160 9a58dbb8be9a30c1e9aa77a732fbc00174d8f69a

20138915 as geometric shapes

Circle

Radius = n
Diameter 40277830
Circumference 126536534.83054
Area 1.2741542596734E+15

Sphere

Radius = n
Volume 3.42134457766E+22
Surface area 5.0966170386935E+15
Circumference 126536534.83054

Square

Length = n
Perimeter 80555660
Area 405575897377225
Diagonal 28480726.724479

Cube

Length = n
Surface area 2433455384263350
Volume 8.1678585233287E+21
Space diagonal 34881623.989311

Equilateral Triangle

Length = n
Perimeter 60416745
Area 1.7561951514567E+14
Altitude 17440811.994655

Triangular Pyramid

Length = n
Surface area 1.7561951514567E+14
Volume 9.6259135826967E+20
Height 9493575.5748263