20138955 (number)

20138955 is an odd 8-digits composite number following 20138954 and preceding 20138956. In scientific notation, it is written as 2.0138955 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 10175328 positive integers (up to 20138955) that are relatively prime to 20138955.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand nine hundred fifty-five

Notation

Scientific notation 2.0138955 × 10^7
Engineering notation 2.0138955 × 10^6

Prime Factorization of 20138955

Prime Factorization 3 × 5 × 19 × 70663

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20138955
Product of the distinct prime numbers

The prime factorization of 20138955 is 3 × 5 × 19 × 70663. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 8, 58, 95, 258, 821, 5964, 8971, 25001, 12227, 500998, 566518, 6424750, 872508, 84632373, 86643570, 829096968, 239041016, 6570468508, 7819087584

Basic calculations (n = 20138955)

Multiplication

n×y
n×2 40277910
n×3 60416865
n×4 80555820
n×5 100694775

Division

n÷y
n÷2 10069477.5
n÷3 6712985
n÷3 5034738.75
n÷5 4027791

Exponentiation

ny
n2 405577508492025
n3 8.167907192533E+21
n4 1.644931153946E+29
n5 3.3127194487416E+36

Nth Root

y√n
2√n 4487.6447051878
3√n 272.06894788316
4√n 66.989885096093
5√n 28.893981228037

Divisors of 20138955

1, 3, 5, 15, 19, 57, 95, 285, 70663, 211989, 353315, 1059945, 1342597, 4027791, 6712985, 20138955

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 -20138954
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 20138955 can be divided by 16 positive divisors. The sum of these divisors (counting 20138955) is 1, the average is 0.0625.

Base conversion 20138955

Base System Value
2 Binary 1001100110100101111001011
3 Ternary 1101220011110020
4 Quaternary 1030310233023
5 Quinary 20123421310
6 Senary 1555351523
8 Octal 114645713
10 Decimal 20138955
12 Duodecimal 68b25a3
16 Hexadecimal 1334bcb
20 Vigesimal 65h77f
36 Base36 bznbf

Cryptographic Hash Functions

md5 700836ebfc899f752689957c173a28d3
sha1 9dd0a5b56c35439b96ff5668ed45b9dda4087ea8
sha256 40a062be46d2be12e4d7beccefb1fa36ff8e24de78259273c5d0229819c6c6b2
sha512 31967ea203eb4b3a7cb3696aa6b5bb5d88eb1420c1ca614cc0e6dccac84a43bb8f836ee2f03428ab7b1faff6b0e0f625687e98a62d3ea04a8feb76712bef1f30
ripemd-160 6763249d02476d3a93f8e5d5979c14aedff04671

20138955 as geometric shapes

Circle

Radius = n
Diameter 40277910
Circumference 126536786.15795
Area 1.2741593211398E+15

Sphere

Radius = n
Volume 3.4213649641687E+22
Surface area 5.0966372845592E+15
Circumference 126536786.15795

Square

Length = n
Perimeter 80555820
Area 405577508492025
Diagonal 28480783.293021

Cube

Length = n
Surface area 2433465050952150
Volume 8.167907192533E+21
Space diagonal 34881693.271343

Equilateral Triangle

Length = n
Perimeter 60416865
Area 1.7562021277885E+14
Altitude 17440846.635672

Triangular Pyramid

Length = n
Surface area 1.7562021277885E+14
Volume 9.6259709399041E+20
Height 9493594.4310072