20138785 (number)

20138785 is an odd 8-digits composite number following 20138784 and preceding 20138786. In scientific notation, it is written as 2.0138785 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 16074240 positive integers (up to 20138785) that are relatively prime to 20138785.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand seven hundred eighty-five

Notation

Scientific notation 2.0138785 × 10^7
Engineering notation 2.0138785 × 10^6

Prime Factorization of 20138785

Prime Factorization 5 × 461 × 8737

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20138785
Product of the distinct prime numbers

The prime factorization of 20138785 is 5 × 461 × 8737. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138785)

Multiplication

n×y
n×2 40277570
n×3 60416355
n×4 80555140
n×5 100693925

Division

n÷y
n÷2 10069392.5
n÷3 6712928.3333333
n÷3 5034696.25
n÷5 4027757

Exponentiation

ny
n2 405570661276225
n3 8.1677003497497E+21
n4 1.6448756128803E+29
n5 3.312579631954E+36

Nth Root

y√n
2√n 4487.6257642544
3√n 272.06818233779
4√n 66.989743724352
5√n 28.893932447022

Divisors of 20138785

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 -20138784
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 20138785 can be divided by 8 positive divisors. The sum of these divisors (counting 20138785) is 1, the average is 0.125.

Base conversion 20138785

Base System Value
2 Binary 1001100110100101100100001
3 Ternary 1101220011012221
4 Quaternary 1030310230201
5 Quinary 20123420120
6 Senary 1555351041
8 Octal 114645441
10 Decimal 20138785
12 Duodecimal 68b2481
16 Hexadecimal 1334b21
20 Vigesimal 65h6j5
36 Base36 bzn6p

Cryptographic Hash Functions

md5 dc481531cf10001133bb51850406ce76
sha1 4e08f94b615bc066ca713b5e676b7504af4d50b1
sha256 21fec465c71bb03cb7c41cbf1e7f1526a1e6595d8d2d350c04e78b9064f78e57
sha512 4e8453667df5b7ce727008270ece2e7e9cb7bc11144bdf19832c4bebd935934e93b07a971390a119db304007c0f9dea8b7213ee376a38af4fc4ffc95ce60257a
ripemd-160 31f6183664992e0589293e9ad3d25ee58ed82399

20138785 as geometric shapes

Circle

Radius = n
Diameter 40277570
Circumference 126535718.01645
Area 1.2741378099769E+15

Sphere

Radius = n
Volume 3.4212783220662E+22
Surface area 5.0965512399078E+15
Circumference 126535718.01645

Square

Length = n
Perimeter 80555140
Area 405570661276225
Diagonal 28480542.876716

Cube

Length = n
Surface area 2433423967657350
Volume 8.1677003497497E+21
Space diagonal 34881398.822706

Equilateral Triangle

Length = n
Perimeter 60416355
Area 1.7561724784743E+14
Altitude 17440699.411353

Triangular Pyramid

Length = n
Surface area 1.7561724784743E+14
Volume 9.6257271733463E+20
Height 9493514.2922386