20421810 (number)

20421810 is an even 8-digits composite number following 20421809 and preceding 20421811. In scientific notation, it is written as 2.0421810 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 5390496 positive integers (up to 20421810) that are relatively prime to 20421810.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0421810 × 10^7
Engineering notation 2.0421810 × 10^6

Prime Factorization of 20421810

Prime Factorization 2 × 45 × 103 × 2203

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20421810
Product of the distinct prime numbers

The prime factorization of 20421810 is 2 × 45 × 103 × 2203. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 5, 58, 396, 799, 2681, 9325, 94835, 51553, 519052, 849838, 35649, 1722238, 81538360, 73255251, 617923554, 337762059, 7047264110, 5139503378

Basic calculations (n = 20421810)

Multiplication

n×y
n×2 40843620
n×3 61265430
n×4 81687240
n×5 102109050

Division

n÷y
n÷2 10210905
n÷3 6807270
n÷3 5105452.5
n÷5 4084362

Exponentiation

ny
n2 417050323676100
n3 8.5169224705518E+21
n4 1.7393097247834E+29
n5 3.5519852730679E+36

Nth Root

y√n
2√n 4519.0496788595
3√n 273.33678196455
4√n 67.223877297129
5√n 28.97469320988

Divisors of 20421810

1, 2, 45, 90, 103, 206, 2203, 4406, 4635, 9270, 99135, 198270, 226909, 453818, 10210905, 20421810

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20421809
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20421810 can be divided by 16 positive divisors. The sum of these divisors (counting 20421810) is 1, the average is 0.0625.

Base conversion 20421810

Base System Value
2 Binary 1001101111001110010110010
3 Ternary 1102102112110100
4 Quaternary 1031321302302
5 Quinary 20211444220
6 Senary 2005413230
8 Octal 115716262
10 Decimal 20421810
12 Duodecimal 6a0a216
16 Hexadecimal 1379cb2
20 Vigesimal 67ceaa
36 Base36 c5pki

Cryptographic Hash Functions

md5 a682391c0c3d102102ce2f13bbccbfef
sha1 6ef090c6d24dac8c4b0ebce5d57077dd1e0cb508
sha256 2738b46bce47e18d4e45a276386e65cbfd99ddf8416930278eb33e0516d0cdef
sha512 2a0d7bd8fd5ea92156596fa2c252245773fef5bd04dba4bb3de1859225085467150eeab05c199030608ff8cbadb31ed00d60e7d74f079316d871095e40010169
ripemd-160 95d21909b48dca18597ee7a484377788ebebcff4

20421810 as geometric shapes

Circle

Radius = n
Diameter 40843620
Circumference 128314016.53801
Area 1.3102022330381E+15

Sphere

Radius = n
Volume 3.5675601419573E+22
Surface area 5.2408089321523E+15
Circumference 128314016.53801

Square

Length = n
Perimeter 81687240
Area 417050323676100
Diagonal 28880800.670206

Cube

Length = n
Surface area 2502301942056600
Volume 8.5169224705518E+21
Space diagonal 35371612.502518

Equilateral Triangle

Length = n
Perimeter 61265430
Area 1.8058808748001E+14
Altitude 17685806.251259

Triangular Pyramid

Length = n
Surface area 1.8058808748001E+14
Volume 1.0037289389612E+21
Height 9626933.5567355