20379945 (number)

20379945 is an odd 8-digits composite number following 20379944 and preceding 20379946. In scientific notation, it is written as 2.0379945 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 10824000 positive integers (up to 20379945) that are relatively prime to 20379945.

Interesting facts

Basic properties

Name

Name twenty million three hundred seventy-nine thousand nine hundred forty-five

Notation

Scientific notation 2.0379945 × 10^7
Engineering notation 2.0379945 × 10^6

Prime Factorization of 20379945

Prime Factorization 15 × 251 × 5413

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20379945
Product of the distinct prime numbers

The prime factorization of 20379945 is 15 × 251 × 5413. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20379945)

Multiplication

n×y
n×2 40759890
n×3 61139835
n×4 81519780
n×5 101899725

Division

n÷y
n÷2 10189972.5
n÷3 6793315
n÷3 5094986.25
n÷5 4075989

Exponentiation

ny
n2 415342158203025
n3 8.4646503403589E+21
n4 1.7250910838075E+29
n5 3.5157261407987E+36

Nth Root

y√n
2√n 4514.415244525
3√n 273.14987275818
4√n 67.189398304532
5√n 28.962803750089

Divisors of 20379945

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20379944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20379945 can be divided by 8 positive divisors. The sum of these divisors (counting 20379945) is 1, the average is 0.125.

Base conversion 20379945

Base System Value
2 Binary 1001101101111100100101001
3 Ternary 1102100102000210
4 Quaternary 1031233210221
5 Quinary 20204124240
6 Senary 2004451333
8 Octal 115574451
10 Decimal 20379945
12 Duodecimal 69a9b49
16 Hexadecimal 136f929
20 Vigesimal 6779h5
36 Base36 c4t9l

Cryptographic Hash Functions

md5 125b653ae1185af3fcc6a64875bfa0c1
sha1 808f2b582af6dda0b031b0bc088d7bf98b4c9803
sha256 0974b7ef7abf48f5e7b1eb03075e4ad1db94fe885d5414522b1eafd819029914
sha512 1ab0ccd91606e79f4ccf95b29aa6658718c12a00ebd3f93a13b769beac5c79fc47fe5e0efba45c8a7aecc132020ce0fe089c289126d8739a86718c12b02a4296
ripemd-160 c28ae3207a20748edfef2ba5a4808b71dd952453

20379945 as geometric shapes

Circle

Radius = n
Diameter 40759890
Circumference 128050970.98513
Area 1.3048358729368E+15

Sphere

Radius = n
Volume 3.5456644432637E+22
Surface area 5.219343491747E+15
Circumference 128050970.98513

Square

Length = n
Perimeter 81519780
Area 415342158203025
Diagonal 28821594.619418

Cube

Length = n
Surface area 2492052949218150
Volume 8.4646503403589E+21
Space diagonal 35299100.195459

Equilateral Triangle

Length = n
Perimeter 61139835
Area 1.7984843013324E+14
Altitude 17649550.09773

Triangular Pyramid

Length = n
Surface area 1.7984843013324E+14
Volume 9.9756860934014E+20
Height 9607198.2064726