20139391 (number)

20139391 is an odd 8-digits composite number following 20139390 and preceding 20139392. In scientific notation, it is written as 2.0139391 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 19884384 positive integers (up to 20139391) that are relatively prime to 20139391.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-nine thousand three hundred ninety-one

Notation

Scientific notation 2.0139391 × 10^7
Engineering notation 2.0139391 × 10^6

Prime Factorization of 20139391

Prime Factorization 79 × 254929

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20139391
Product of the distinct prime numbers

The prime factorization of 20139391 is 79 × 254929. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20139391)

Multiplication

n×y
n×2 40278782
n×3 60418173
n×4 80557564
n×5 100696955

Division

n÷y
n÷2 10069695.5
n÷3 6713130.3333333
n÷3 5034847.75
n÷5 4027878.2

Exponentiation

ny
n2 405595069850881
n3 8.1684376993992E+21
n4 1.6450736068734E+29
n5 3.3130780592604E+36

Nth Root

y√n
2√n 4487.6932827456
3√n 272.07091126218
4√n 66.990247668938
5√n 28.894106335489

Divisors of 20139391

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 -20139390
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 20139391 can be divided by 4 positive divisors. The sum of these divisors (counting 20139391) is 1, the average is 0.25.

Base conversion 20139391

Base System Value
2 Binary 1001100110100110101111111
3 Ternary 1101220012001101
4 Quaternary 1030310311333
5 Quinary 20123430031
6 Senary 1555353531
8 Octal 114646577
10 Decimal 20139391
12 Duodecimal 68b28a7
16 Hexadecimal 1334d7f
20 Vigesimal 65h89b
36 Base36 bznnj

Cryptographic Hash Functions

md5 72b1ae4e816a2a7489ce6ac7d864a5fe
sha1 4f0598d10bb7861cc1c976281497fd7bb4ac1d9c
sha256 9b615b50fef962f5a565cca3c0d78bfeb81a9bb35c48be5268f6dca5a77c05f3
sha512 1193a54bd781bcf3b4169f2ee1ba429463337396f5ac902fe81777c96401a885902c5c5cab3b503dfa87085510ca8d2dfe515ebbea2030d4f72985f63ee6d43e
ripemd-160 e4d1c70d09f134b46153f95d9a41f12f55bd5a67

20139391 as geometric shapes

Circle

Radius = n
Diameter 40278782
Circumference 126539525.62674
Area 1.2742144917758E+15

Sphere

Radius = n
Volume 3.4215871823651E+22
Surface area 5.0968579671031E+15
Circumference 126539525.62674

Square

Length = n
Perimeter 80557564
Area 405595069850881
Diagonal 28481399.890135

Cube

Length = n
Surface area 2433570419105286
Volume 8.1684376993992E+21
Space diagonal 34882448.445495

Equilateral Triangle

Length = n
Perimeter 60418173
Area 1.7562781707029E+14
Altitude 17441224.222748

Triangular Pyramid

Length = n
Surface area 1.7562781707029E+14
Volume 9.6265961482417E+20
Height 9493799.9633782