20139445 (number)

20139445 is an odd 8-digits composite number following 20139444 and preceding 20139446. In scientific notation, it is written as 2.0139445 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 16111552 positive integers (up to 20139445) that are relatively prime to 20139445.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-nine thousand four hundred forty-five

Notation

Scientific notation 2.0139445 × 10^7
Engineering notation 2.0139445 × 10^6

Prime Factorization of 20139445

Prime Factorization 5 × 4027889

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20139445
Product of the distinct prime numbers

The prime factorization of 20139445 is 5 × 4027889. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20139445)

Multiplication

n×y
n×2 40278890
n×3 60418335
n×4 80557780
n×5 100697225

Division

n÷y
n÷2 10069722.5
n÷3 6713148.3333333
n÷3 5034861.25
n÷5 4027889

Exponentiation

ny
n2 405597244908025
n3 8.1685034059767E+21
n4 1.6450912507698E+29
n5 3.313122476486E+36

Nth Root

y√n
2√n 4487.6992991955
3√n 272.071154431
4√n 66.990292574339
5√n 28.894121830298

Divisors of 20139445

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 -20139444
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 20139445 can be divided by 4 positive divisors. The sum of these divisors (counting 20139445) is 1, the average is 0.25.

Base conversion 20139445

Base System Value
2 Binary 1001100110100110110110101
3 Ternary 1101220012010101
4 Quaternary 1030310312311
5 Quinary 20123430240
6 Senary 1555354101
8 Octal 114646665
10 Decimal 20139445
12 Duodecimal 68b2931
16 Hexadecimal 1334db5
20 Vigesimal 65h8c5
36 Base36 bznp1

Cryptographic Hash Functions

md5 87d1e624fbc4636bbb0faf4bb52fdfee
sha1 7685647a2862bc45f1390e8d0eb539cadb1b2841
sha256 da1247839b463d78d8eb8449ac12360cd703c246fb8f76ddd2ba8157916b73fd
sha512 f8e1343caa9e84c1deac28e4844d127e678bdf7ced6187210601b02858a8c36c1a0ae08c24a3ae5b5ca261a8afcfc40ccf0f762ebcd785366e71517957786e5f
ripemd-160 22306890fe0b8938a9fca4aabff04ef05881582a

20139445 as geometric shapes

Circle

Radius = n
Diameter 40278890
Circumference 126539864.91875
Area 1.2742213249193E+15

Sphere

Radius = n
Volume 3.4216147054719E+22
Surface area 5.0968852996772E+15
Circumference 126539864.91875

Square

Length = n
Perimeter 80557780
Area 405597244908025
Diagonal 28481476.257667

Cube

Length = n
Surface area 2433583469448150
Volume 8.1685034059767E+21
Space diagonal 34882541.976239

Equilateral Triangle

Length = n
Perimeter 60418335
Area 1.7562875889766E+14
Altitude 17441270.988119

Triangular Pyramid

Length = n
Surface area 1.7562875889766E+14
Volume 9.6266735841859E+20
Height 9493825.4192223