20091385 (number)

20091385 is an odd 8-digits composite number following 20091384 and preceding 20091386. In scientific notation, it is written as 2.0091385 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 16073104 positive integers (up to 20091385) that are relatively prime to 20091385.

Interesting facts

Basic properties

Name

Name twenty million ninety-one thousand three hundred eighty-five

Notation

Scientific notation 2.0091385 × 10^7
Engineering notation 2.0091385 × 10^6

Prime Factorization of 20091385

Prime Factorization 5 × 4018277

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20091385
Product of the distinct prime numbers

The prime factorization of 20091385 is 5 × 4018277. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20091385)

Multiplication

n×y
n×2 40182770
n×3 60274155
n×4 80365540
n×5 100456925

Division

n÷y
n÷2 10045692.5
n÷3 6697128.3333333
n÷3 5022846.25
n÷5 4018277

Exponentiation

ny
n2 403663751218225
n3 8.1101638362696E+21
n4 1.6294442404757E+29
n5 3.273779157143E+36

Nth Root

y√n
2√n 4482.3414640119
3√n 271.85456199029
4√n 66.950290992735
5√n 28.880318282821

Divisors of 20091385

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 -20091384
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 20091385 can be divided by 4 positive divisors. The sum of these divisors (counting 20091385) is 1, the average is 0.25.

Base conversion 20091385

Base System Value
2 Binary 1001100101001000111111001
3 Ternary 1101210202012101
4 Quaternary 1030221013321
5 Quinary 20120411020
6 Senary 1554343401
8 Octal 114510771
10 Decimal 20091385
12 Duodecimal 688ab61
16 Hexadecimal 13291f9
20 Vigesimal 65b895
36 Base36 bymm1

Cryptographic Hash Functions

md5 c6266a39f16659213d33ee9984831803
sha1 55dc4d10b3676741d6af959ecedbceda16f06df6
sha256 d730036ee248747291cdde1fa33e69f6656332a3165084c483156f064a5a483a
sha512 fd4f9a5f72fbbe5f33b3f5bb63f5fc6f10e47796f363f329bb1997b715109ba7e46afed3bb441ac1ed4a9343d80d5b7f0a06fa25ed0488b004f954bcab8e15d4
ripemd-160 a1b4f01e591a827f7b1fa81b6750968703a767a5

20091385 as geometric shapes

Circle

Radius = n
Diameter 40182770
Circumference 126237895.03289
Area 1.2681470753477E+15

Sphere

Radius = n
Volume 3.3971774836579E+22
Surface area 5.0725883013907E+15
Circumference 126237895.03289

Square

Length = n
Perimeter 80365540
Area 403663751218225
Diagonal 28413509.153859

Cube

Length = n
Surface area 2421982507309350
Volume 8.1101638362696E+21
Space diagonal 34799299.614427

Equilateral Triangle

Length = n
Perimeter 60274155
Area 1.7479153157095E+14
Altitude 17399649.807214

Triangular Pyramid

Length = n
Surface area 1.7479153157095E+14
Volume 9.5579197419335E+20
Height 9471169.7179531