20139845 (number)

20139845 is an odd 8-digits composite number following 20139844 and preceding 20139846. In scientific notation, it is written as 2.0139845 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 14646720 positive integers (up to 20139845) that are relatively prime to 20139845.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0139845 × 10^7
Engineering notation 2.0139845 × 10^6

Prime Factorization of 20139845

Prime Factorization 605 × 33289

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20139845
Product of the distinct prime numbers

The prime factorization of 20139845 is 605 × 33289. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20139845)

Multiplication

n×y
n×2 40279690
n×3 60419535
n×4 80559380
n×5 100699225

Division

n÷y
n÷2 10069922.5
n÷3 6713281.6666667
n÷3 5034961.25
n÷5 4027969

Exponentiation

ny
n2 405613356624025
n3 8.1689901323376E+21
n4 1.6452219507181E+29
n5 3.313451507806E+36

Nth Root

y√n
2√n 4487.7438652401
3√n 272.07295566802
4√n 66.990625204129
5√n 28.894236605625

Divisors of 20139845

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 -20139844
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 20139845 can be divided by 4 positive divisors. The sum of these divisors (counting 20139845) is 1, the average is 0.25.

Base conversion 20139845

Base System Value
2 Binary 1001100110100111101000101
3 Ternary 1101220012200012
4 Quaternary 1030310331011
5 Quinary 20123433340
6 Senary 1555400005
8 Octal 114647505
10 Decimal 20139845
12 Duodecimal 68b3005
16 Hexadecimal 1334f45
20 Vigesimal 65h9c5
36 Base36 bzo05

Cryptographic Hash Functions

md5 8d897deeb6b99cdc0855cb193671dabd
sha1 23699f6b9122c11203173288682ec4b92a952974
sha256 454f6525096e431439ce9bc67a71ccd99103e5e6acd38b4938e93d91a5ef13b3
sha512 606a268dd492f8388b7ab494336b1df46a38e382b154fad755e608c822094a9152301b2748bf6da8668765fd24c4a17d9348e6a7d4871eb858f2900e7dc07007
ripemd-160 456764de724973c892692f92fedce9fffd480558

20139845 as geometric shapes

Circle

Radius = n
Diameter 40279690
Circumference 126542378.19287
Area 1.2742719413679E+15

Sphere

Radius = n
Volume 3.4218185849332E+22
Surface area 5.0970877654717E+15
Circumference 126542378.19287

Square

Length = n
Perimeter 80559380
Area 405613356624025
Diagonal 28482041.943092

Cube

Length = n
Surface area 2433680139744150
Volume 8.1689901323376E+21
Space diagonal 34883234.796562

Equilateral Triangle

Length = n
Perimeter 60419535
Area 1.7563573547534E+14
Altitude 17441617.398281

Triangular Pyramid

Length = n
Surface area 1.7563573547534E+14
Volume 9.6272471967032E+20
Height 9494013.9810307