20191025 (number)

20191025 is an odd 8-digits composite number following 20191024 and preceding 20191026. In scientific notation, it is written as 2.0191025 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 16116240 positive integers (up to 20191025) that are relatively prime to 20191025.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0191025 × 10^7
Engineering notation 2.0191025 × 10^6

Prime Factorization of 20191025

Prime Factorization 25 × 743 × 1087

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20191025
Product of the distinct prime numbers

The prime factorization of 20191025 is 25 × 743 × 1087. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20191025)

Multiplication

n×y
n×2 40382050
n×3 60573075
n×4 80764100
n×5 100955125

Division

n÷y
n÷2 10095512.5
n÷3 6730341.6666667
n÷3 5047756.25
n÷5 4038205

Exponentiation

ny
n2 407677490550625
n3 8.2314264036449E+21
n4 1.6620093630165E+29
n5 3.3557672598901E+36

Nth Root

y√n
2√n 4493.4424442737
3√n 272.30322747013
4√n 67.033144371077
5√n 28.908907087163

Divisors of 20191025

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 -20191024
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 20191025 can be divided by 8 positive divisors. The sum of these divisors (counting 20191025) is 1, the average is 0.125.

Base conversion 20191025

Base System Value
2 Binary 1001101000001011100110001
3 Ternary 1101222210212202
4 Quaternary 1031001130301
5 Quinary 20132103100
6 Senary 2000432545
8 Octal 115013461
10 Decimal 20191025
12 Duodecimal 6918755
16 Hexadecimal 1341731
20 Vigesimal 663hb5
36 Base36 c0rht

Cryptographic Hash Functions

md5 fef570c4442d8171a73b347e2e2634b8
sha1 f11d5fff1c26c5560586927dd08c7540f160a7d9
sha256 2c789b4e4c1f56b9be430553dba8796240befe0293d55201f9cb9e22a834aea8
sha512 0b34aecffc6582b33f286974c20b93f0e023e2f23fedb4b3e9e46002170d19e28bb791e2112e764dcadd0f79a62a496cad37b57c12a57d91f809522ad37a5744
ripemd-160 36db84319ca5d99926663a1b846ad2c6fe5b9478

20191025 as geometric shapes

Circle

Radius = n
Diameter 40382050
Circumference 126863951.6169
Area 1.2807566093478E+15

Sphere

Radius = n
Volume 3.4479718291008E+22
Surface area 5.1230264373911E+15
Circumference 126863951.6169

Square

Length = n
Perimeter 80764100
Area 407677490550625
Diagonal 28554421.393214

Cube

Length = n
Surface area 2446064943303750
Volume 8.2314264036449E+21
Space diagonal 34971881.156893

Equilateral Triangle

Length = n
Perimeter 60573075
Area 1.7652953168397E+14
Altitude 17485940.578447

Triangular Pyramid

Length = n
Surface area 1.7652953168397E+14
Volume 9.7008290480922E+20
Height 9518140.4644047