20191091 (number)

20191091 is an odd 8-digits composite number following 20191090 and preceding 20191092. In scientific notation, it is written as 2.0191091 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 19128060 positive integers (up to 20191091) that are relatively prime to 20191091.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0191091 × 10^7
Engineering notation 2.0191091 × 10^6

Prime Factorization of 20191091

Prime Factorization 361 × 55931

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20191091
Product of the distinct prime numbers

The prime factorization of 20191091 is 361 × 55931. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20191091)

Multiplication

n×y
n×2 40382182
n×3 60573273
n×4 80764364
n×5 100955455

Division

n÷y
n÷2 10095545.5
n÷3 6730363.6666667
n÷3 5047772.75
n÷5 4038218.2

Exponentiation

ny
n2 407680155770281
n3 8.2315071240519E+21
n4 1.6620310940888E+29
n5 3.3558221065577E+36

Nth Root

y√n
2√n 4493.449788303
3√n 272.3035241695
4√n 67.033199150145
5√n 28.908925986504

Divisors of 20191091

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 -20191090
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 20191091 can be divided by 4 positive divisors. The sum of these divisors (counting 20191091) is 1, the average is 0.25.

Base conversion 20191091

Base System Value
2 Binary 1001101000001011101110011
3 Ternary 1101222210222012
4 Quaternary 1031001131303
5 Quinary 20132103331
6 Senary 2000433135
8 Octal 115013563
10 Decimal 20191091
12 Duodecimal 69187ab
16 Hexadecimal 1341773
20 Vigesimal 663heb
36 Base36 c0rjn

Cryptographic Hash Functions

md5 8e53e76e27b1023b64b9683572a0b5fd
sha1 c02f6a6e498a4117ca3a0b2276b3b3a8727c1a7c
sha256 b04a1286a6a37a700b94cff08c67878d6ffc85bf93848ad4a84cd15b74bb2812
sha512 ed0f9708090eea655ed037a0aa1ca3f846b4370909235b4709f0ce45087d7bd3c6f46be160506f04c59c4e9ae9963d8f87c2c06e9bc8aaa4173233f940765e82
ripemd-160 4c7c315782f070ddc1e8e0e63d298dac009ab085

20191091 as geometric shapes

Circle

Radius = n
Diameter 40382182
Circumference 126864366.30713
Area 1.2807649823823E+15

Sphere

Radius = n
Volume 3.4480056411858E+22
Surface area 5.123059929529E+15
Circumference 126864366.30713

Square

Length = n
Perimeter 80764364
Area 407680155770281
Diagonal 28554514.731309

Cube

Length = n
Surface area 2446080934621686
Volume 8.2315071240519E+21
Space diagonal 34971995.472247

Equilateral Triangle

Length = n
Perimeter 60573273
Area 1.7653068575793E+14
Altitude 17485997.736123

Triangular Pyramid

Length = n
Surface area 1.7653068575793E+14
Volume 9.7009241780041E+20
Height 9518171.5771031