20188421 (number)

20188421 is an odd 8-digits composite number following 20188420 and preceding 20188422. In scientific notation, it is written as 2.0188421 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 17856720 positive integers (up to 20188421) that are relatively prime to 20188421.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-eight thousand four hundred twenty-one

Notation

Scientific notation 2.0188421 × 10^7
Engineering notation 2.0188421 × 10^6

Prime Factorization of 20188421

Prime Factorization 11 × 37 × 49603

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20188421
Product of the distinct prime numbers

The prime factorization of 20188421 is 11 × 37 × 49603. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 24, 92, 239, 780, 4851, 5639, 94167, 86321, 960532, 565366, 4739206, 3609306, 19471748, 12613555, 353637907, 110290023, 5986792305, 4468820954

Basic calculations (n = 20188421)

Multiplication

n×y
n×2 40376842
n×3 60565263
n×4 80753684
n×5 100942105

Division

n÷y
n÷2 10094210.5
n÷3 6729473.6666667
n÷3 5047105.25
n÷5 4037684.2

Exponentiation

ny
n2 407572342473241
n3 8.228242037806E+21
n4 1.6611521434912E+29
n5 3.3536038817854E+36

Nth Root

y√n
2√n 4493.1526793556
3√n 272.29152081516
4√n 67.030982980675
5√n 28.908161382794

Divisors of 20188421

1, 11, 37, 407, 49603, 545633, 1835311, 20188421

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 -20188420
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 20188421 can be divided by 8 positive divisors. The sum of these divisors (counting 20188421) is 1, the average is 0.125.

Base conversion 20188421

Base System Value
2 Binary 1001101000000110100000101
3 Ternary 1101222200022022
4 Quaternary 1031000310011
5 Quinary 20132012141
6 Senary 2000412525
8 Octal 115006405
10 Decimal 20188421
12 Duodecimal 6917145
16 Hexadecimal 1340d05
20 Vigesimal 663b11
36 Base36 c0phh

Cryptographic Hash Functions

md5 e87a9f5aca463d07edf6e5b574c332b3
sha1 92bca5f4fe200677e229ad553856b54048977569
sha256 6659ff9cd3cbf8fa31215d5f1d2d26702af8c2c3889c363a9de25d93ebde2134
sha512 07c032144936816b29cfefa3e0eaef3e6a24b7a24920d395ccbed317b797d11678898b348f6a5fffdcd71f3bf2860a1e4d140a41335379a43a97f13a0b28eb5b
ripemd-160 e18c5baf983030f5511a7846f8d5ca0548b68a15

20188421 as geometric shapes

Circle

Radius = n
Diameter 40376842
Circumference 126847590.20236
Area 1.2804262769203E+15

Sphere

Radius = n
Volume 3.4466379650573E+22
Surface area 5.1217051076813E+15
Circumference 126847590.20236

Square

Length = n
Perimeter 80753684
Area 407572342473241
Diagonal 28550738.781098

Cube

Length = n
Surface area 2445434054839446
Volume 8.228242037806E+21
Space diagonal 34967370.89659

Equilateral Triangle

Length = n
Perimeter 60565263
Area 1.7648400123088E+14
Altitude 17483685.448295

Triangular Pyramid

Length = n
Surface area 1.7648400123088E+14
Volume 9.6970762369614E+20
Height 9516912.9270326