20181929 (number)

20181929 is an odd 8-digits composite number following 20181928 and preceding 20181930. In scientific notation, it is written as 2.0181929 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 20131200 positive integers (up to 20181929) that are relatively prime to 20181929.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181929 × 10^7
Engineering notation 2.0181929 × 10^6

Prime Factorization of 20181929

Prime Factorization 401 × 50329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20181929
Product of the distinct prime numbers

The prime factorization of 20181929 is 401 × 50329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20181929)

Multiplication

n×y
n×2 40363858
n×3 60545787
n×4 80727716
n×5 100909645

Division

n÷y
n÷2 10090964.5
n÷3 6727309.6666667
n÷3 5045482.25
n÷5 4036385.8

Exponentiation

ny
n2 407310258161041
n3 8.2203067111778E+21
n4 1.6590164640321E+29
n5 3.3482152486928E+36

Nth Root

y√n
2√n 4492.4301886618
3√n 272.2623307154
4√n 67.025593534573
5√n 28.906301941402

Divisors of 20181929

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 -20181928
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 20181929 can be divided by 4 positive divisors. The sum of these divisors (counting 20181929) is 1, the average is 0.25.

Base conversion 20181929

Base System Value
2 Binary 1001100111111001110101001
3 Ternary 1101222100101212
4 Quaternary 1030333032221
5 Quinary 20131310204
6 Senary 2000322505
8 Octal 114771651
10 Decimal 20181929
12 Duodecimal 6913435
16 Hexadecimal 133f3a9
20 Vigesimal 662eg9
36 Base36 c0kh5

Cryptographic Hash Functions

md5 b8f016078239854af4d99ae53e0a0ddb
sha1 f30878b6c3797735a98f35cd9cd03b0c3e816790
sha256 8f34b85b6c88c1a5020cb886d99fac0d38abdb09160c22ab47234e92467624e3
sha512 9307e5d3deb2d00eeaf027a0927e5007cb9065e169f2ab37cf21e1dae4a052951b3034accf9f1c25547a449b2a87f41c2e8e1ca14106c77eb6b683ca87894171
ripemd-160 dc5512e47ec716ced1feffe50fd22518f4f47763

20181929 as geometric shapes

Circle

Radius = n
Diameter 40363858
Circumference 126806799.76334
Area 1.2796029147705E+15

Sphere

Radius = n
Volume 3.4433140232121E+22
Surface area 5.118411659082E+15
Circumference 126806799.76334

Square

Length = n
Perimeter 80727716
Area 407310258161041
Diagonal 28541557.706651

Cube

Length = n
Surface area 2443861548966246
Volume 8.2203067111778E+21
Space diagonal 34956126.422748

Equilateral Triangle

Length = n
Perimeter 60545787
Area 1.7637051539473E+14
Altitude 17478063.211374

Triangular Pyramid

Length = n
Surface area 1.7637051539473E+14
Volume 9.6877243648452E+20
Height 9513852.5688836