20421812 (number)

20421812 is an even 8-digits composite number following 20421811 and preceding 20421813. In scientific notation, it is written as 2.0421812 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors. There are 10120320 positive integers (up to 20421812) that are relatively prime to 20421812.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0421812 × 10^7
Engineering notation 2.0421812 × 10^6

Prime Factorization of 20421812

Prime Factorization 2 × 2 × 113 × 45181

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10210906
Product of the distinct prime numbers

The prime factorization of 20421812 is 2 × 2 × 113 × 45181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 86, 73, 292, 194, 9921, 1150, 31014, 80735, 974551, 174899, 64712, 8843803, 18403330, 72835916, 145341940, 859906810, 7281463107, 7848967956

Basic calculations (n = 20421812)

Multiplication

n×y
n×2 40843624
n×3 61265436
n×4 81687248
n×5 102109060

Division

n÷y
n÷2 10210906
n÷3 6807270.6666667
n÷3 5105453
n÷5 4084362.4

Exponentiation

ny
n2 417050405363344
n3 8.516924972854E+21
n4 1.7393104061373E+29
n5 3.551987012378E+36

Nth Root

y√n
2√n 4519.0499001449
3√n 273.33679088759
4√n 67.223878943014
5√n 28.974693777405

Divisors of 20421812

1, 2, 4, 113, 226, 452, 45181, 90362, 180724, 5105453, 10210906, 20421812

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20421811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20421812 can be divided by 12 positive divisors. The sum of these divisors (counting 20421812) is 1, the average is 0.083333333333333.

Base conversion 20421812

Base System Value
2 Binary 1001101111001110010110100
3 Ternary 1102102112110102
4 Quaternary 1031321302310
5 Quinary 20211444222
6 Senary 2005413232
8 Octal 115716264
10 Decimal 20421812
12 Duodecimal 6a0a218
16 Hexadecimal 1379cb4
20 Vigesimal 67ceac
36 Base36 c5pkk

Cryptographic Hash Functions

md5 f31aa9d9ebe7c0af1c41ca504a17905e
sha1 2516dbc8d81bdecd2459e4ed23a9c5caa43bb5ec
sha256 55de58f52419d066eaafab0d4cd5f3677255a16d3e33b4004ed1f0c5ca056767
sha512 b3dae05cd89e56cb0bbb3f0f1f61be00b0983b754388e7bd25281e45d1d056a00d862a7a2a303521dccdc0cdbf58c3c1fb290bb3a32cd8f1a73bda8fc592e6aa
ripemd-160 7bd3a8adc0772d57cbc4f7cea2b44cf3a1238959

20421812 as geometric shapes

Circle

Radius = n
Diameter 40843624
Circumference 128314029.10438
Area 1.3102024896661E+15

Sphere

Radius = n
Volume 3.5675611901191E+22
Surface area 5.2408099586645E+15
Circumference 128314029.10438

Square

Length = n
Perimeter 81687248
Area 417050405363344
Diagonal 28880803.498634

Cube

Length = n
Surface area 2502302432180064
Volume 8.516924972854E+21
Space diagonal 35371615.96662

Equilateral Triangle

Length = n
Perimeter 61265436
Area 1.8058812285163E+14
Altitude 17685807.98331

Triangular Pyramid

Length = n
Surface area 1.8058812285163E+14
Volume 1.0037292338604E+21
Height 9626934.4995445