21909723 (number)

21909723 is an odd 8-digits composite number following 21909722 and preceding 21909724. In scientific notation, it is written as 2.1909723 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 13027040 positive integers (up to 21909723) that are relatively prime to 21909723.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand seven hundred twenty-three

Notation

Scientific notation 2.1909723 × 10^7
Engineering notation 2.1909723 × 10^6

Prime Factorization of 21909723

Prime Factorization 3 × 11 × 53 × 12527

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21909723
Product of the distinct prime numbers

The prime factorization of 21909723 is 3 × 11 × 53 × 12527. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21909723)

Multiplication

n×y
n×2 43819446
n×3 65729169
n×4 87638892
n×5 109548615

Division

n÷y
n÷2 10954861.5
n÷3 7303241
n÷3 5477430.75
n÷5 4381944.6

Exponentiation

ny
n2 480035961936729
n3 1.0517454956072E+22
n4 2.3043452475252E+29
n5 5.0487566069644E+36

Nth Root

y√n
2√n 4680.7823064099
3√n 279.82013533473
4√n 68.416243001278
5√n 29.385113829128

Divisors of 21909723

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 -21909722
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 21909723 can be divided by 16 positive divisors. The sum of these divisors (counting 21909723) is 1, the average is 0.0625.

Base conversion 21909723

Base System Value
2 Binary 1010011100101000011011011
3 Ternary 1112020010111020
4 Quaternary 1103211003123
5 Quinary 21102102343
6 Senary 2101333523
8 Octal 123450333
10 Decimal 21909723
12 Duodecimal 74072a3
16 Hexadecimal 14e50db
20 Vigesimal 6gie63
36 Base36 d1lnf

Cryptographic Hash Functions

md5 3696d6a131f7a9671131f8205d8cb664
sha1 3ef55848405c5f6ec5cf42f15a03a6fedb1f7ed8
sha256 b18fdfab9e1e85036b34427f4be9c7a680cab8e08b7d3b431b62e8f2abc7c997
sha512 474e43debd65ca07bf9e7c2157e05f4e74edc5f167de0e5678ba7b16705c7e3b0fdd570d72fed5f46bde73b7721b99b5dc9c863211e5a2d170c8929000de081f
ripemd-160 ae8dbf52e1b3d0c0e60a1437aee6fb8c5be9892a

21909723 as geometric shapes

Circle

Radius = n
Diameter 43819446
Circumference 137662849.63797
Area 1.5080774514793E+15

Sphere

Radius = n
Volume 4.4055412299278E+22
Surface area 6.0323098059174E+15
Circumference 137662849.63797

Square

Length = n
Perimeter 87638892
Area 480035961936729
Diagonal 30985027.414438

Cube

Length = n
Surface area 2880215771620374
Volume 1.0517454956072E+22
Space diagonal 37948753.41576

Equilateral Triangle

Length = n
Perimeter 65729169
Area 2.0786166888365E+14
Altitude 18974376.70788

Triangular Pyramid

Length = n
Surface area 2.0786166888365E+14
Volume 1.2394939533771E+21
Height 10328342.471479