20139245 (number)

20139245 is an odd 8-digits composite number following 20139244 and preceding 20139246. In scientific notation, it is written as 2.0139245 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 16 positive divisors. There are 13808592 positive integers (up to 20139245) that are relatively prime to 20139245.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0139245 × 10^7
Engineering notation 2.0139245 × 10^6

Prime Factorization of 20139245

Prime Factorization 7 × 7 × 7 × 5 × 11743

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 411005
Product of the distinct prime numbers

The prime factorization of 20139245 is 7 × 7 × 7 × 5 × 11743. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 6, 67, 99, 977, 488, 7602, 2707, 71131, 50871, 709685, 106266, 4529660, 1232293, 17467721, 35289998, 459665934, 557858235, 8550774792, 3289072350

Basic calculations (n = 20139245)

Multiplication

n×y
n×2 40278490
n×3 60417735
n×4 80556980
n×5 100696225

Division

n÷y
n÷2 10069622.5
n÷3 6713081.6666667
n÷3 5034811.25
n÷5 4027849

Exponentiation

ny
n2 405589189170025
n3 8.1682600500465E+21
n4 1.645025903716E+29
n5 3.3129579706283E+36

Nth Root

y√n
2√n 4487.6770160073
3√n 272.07025380355
4√n 66.990126257586
5√n 28.894064441951

Divisors of 20139245

1, 5, 7, 35, 49, 245, 343, 1715, 11743, 58715, 82201, 411005, 575407, 2877035, 4027849, 20139245

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 -20139244
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 20139245 can be divided by 16 positive divisors. The sum of these divisors (counting 20139245) is 1, the average is 0.0625.

Base conversion 20139245

Base System Value
2 Binary 1001100110100110011101101
3 Ternary 1101220011211222
4 Quaternary 1030310303231
5 Quinary 20123423440
6 Senary 1555353125
8 Octal 114646355
10 Decimal 20139245
12 Duodecimal 68b27a5
16 Hexadecimal 1334ced
20 Vigesimal 65h825
36 Base36 bznjh

Cryptographic Hash Functions

md5 a4757a27da90b9deb56b9c6f8e63766a
sha1 eb70070f5ad738e509efdb0875132088af474a8f
sha256 4afb464bce1af174a237b81df0e39c0e346770d45532d832e21ce9e23eb71dbf
sha512 d450c205fd9dcd20ab9a91b4459c7f9f2045d6bde0898e517d2156a16793515a03844424949b3115d1368b0570d1848da3eed67aaa736e24a30453eb6b8c9248
ripemd-160 a739604514bc2fc10a9290aab8e9a63dabcf001e

20139245 as geometric shapes

Circle

Radius = n
Diameter 40278490
Circumference 126538608.28169
Area 1.274196017072E+15

Sphere

Radius = n
Volume 3.4215127687783E+22
Surface area 5.096784068288E+15
Circumference 126538608.28169

Square

Length = n
Perimeter 80556980
Area 405589189170025
Diagonal 28481193.414955

Cube

Length = n
Surface area 2433535135020150
Volume 8.1682600500465E+21
Space diagonal 34882195.566077

Equilateral Triangle

Length = n
Perimeter 60417735
Area 1.7562527066079E+14
Altitude 17441097.783039

Triangular Pyramid

Length = n
Surface area 1.7562527066079E+14
Volume 9.6263867864717E+20
Height 9493731.1383182