21909836 (number)

21909836 is an even 8-digits composite number following 21909835 and preceding 21909837. In scientific notation, it is written as 2.1909836 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 18 positive divisors. There are 10111920 positive integers (up to 21909836) that are relatively prime to 21909836.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand eight hundred thirty-six

Notation

Scientific notation 2.1909836 × 10^7
Engineering notation 2.1909836 × 10^6

Prime Factorization of 21909836

Prime Factorization 2 × 2 × 13 × 13 × 32411

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 842686
Product of the distinct prime numbers

The prime factorization of 21909836 is 2 × 2 × 13 × 13 × 32411. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 7, 55, 34, 626, 767, 4722, 6100, 65864, 9802, 451576, 716923, 6078443, 5935724, 9714319, 47976966, 794496614, 840212645, 344338721, 1876085805

Basic calculations (n = 21909836)

Multiplication

n×y
n×2 43819672
n×3 65729508
n×4 87639344
n×5 109549180

Division

n÷y
n÷2 10954918
n÷3 7303278.6666667
n÷3 5477459
n÷5 4381967.2

Exponentiation

ny
n2 480040913546896
n3 1.0517617689103E+22
n4 2.3043927867894E+29
n5 5.0488868038138E+36

Nth Root

y√n
2√n 4680.7943770262
3√n 279.82061639392
4√n 68.416331215772
5√n 29.385144139973

Divisors of 21909836

1, 2, 4, 13, 26, 52, 169, 338, 676, 32411, 64822, 129644, 421343, 842686, 1685372, 5477459, 10954918, 21909836

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21909835
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21909836 can be divided by 18 positive divisors. The sum of these divisors (counting 21909836) is 1, the average is 0.055555555555556.

Base conversion 21909836

Base System Value
2 Binary 1010011100101000101001100
3 Ternary 1112020010122102
4 Quaternary 1103211011030
5 Quinary 21102103321
6 Senary 2101334232
8 Octal 123450514
10 Decimal 21909836
12 Duodecimal 7407378
16 Hexadecimal 14e514c
20 Vigesimal 6giebg
36 Base36 d1lqk

Cryptographic Hash Functions

md5 8b55648b6207abc0ba1a59286991361d
sha1 c10330522e84e153971ca50f200ee745c58b00f2
sha256 75d200230c311fd2fca96c4ccb128e69a45a4d54ba6b0d3de3ad1c9076db5186
sha512 33acffde0cbeb4ab3a6dfaa2e8c6af1cd0a92c1a1d380c35881a4045bc66acb40af124356e828e0a5d63bddd5372cae485a6e19b0831ceffa990c5c172189d90
ripemd-160 5456bcdb1b89b10b08a8586182fc8cb0cf08f9f7

21909836 as geometric shapes

Circle

Radius = n
Diameter 43819672
Circumference 137663559.63791
Area 1.5080930074215E+15

Sphere

Radius = n
Volume 4.4056093953801E+22
Surface area 6.0323720296858E+15
Circumference 137663559.63791

Square

Length = n
Perimeter 87639344
Area 480040913546896
Diagonal 30985187.22057

Cube

Length = n
Surface area 2880245481281376
Volume 1.0517617689103E+22
Space diagonal 37948949.137502

Equilateral Triangle

Length = n
Perimeter 65729508
Area 2.0786381299375E+14
Altitude 18974474.568751

Triangular Pyramid

Length = n
Surface area 2.0786381299375E+14
Volume 1.2395131316487E+21
Height 10328395.74019