21909724 (number)

21909724 is an even 8-digits composite number following 21909723 and preceding 21909725. In scientific notation, it is written as 2.1909724 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 10944704 positive integers (up to 21909724) that are relatively prime to 21909724.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1909724 × 10^7
Engineering notation 2.1909724 × 10^6

Prime Factorization of 21909724

Prime Factorization 2 × 2 × 3527 × 1553

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10954862
Product of the distinct prime numbers

The prime factorization of 21909724 is 2 × 2 × 3527 × 1553. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 97, 32, 230, 413, 9746, 2342, 51218, 64288, 114406, 569055, 1245113, 1410267, 70606595, 97362848, 128087491, 853619809, 4301322577, 9043424028

Basic calculations (n = 21909724)

Multiplication

n×y
n×2 43819448
n×3 65729172
n×4 87638896
n×5 109548620

Division

n÷y
n÷2 10954862
n÷3 7303241.3333333
n÷3 5477431
n÷5 4381944.8

Exponentiation

ny
n2 480036005756176
n3 1.051745639618E+22
n4 2.3043456682234E+29
n5 5.0487577591371E+36

Nth Root

y√n
2√n 4680.7824132297
3√n 279.8201395919
4√n 68.416243781939
5√n 29.385114097367

Divisors of 21909724

1, 2, 4, 1553, 3106, 3527, 6212, 7054, 14108, 5477431, 10954862, 21909724

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 -21909723
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 21909724 can be divided by 12 positive divisors. The sum of these divisors (counting 21909724) is 1, the average is 0.083333333333333.

Base conversion 21909724

Base System Value
2 Binary 1010011100101000011011100
3 Ternary 1112020010111021
4 Quaternary 1103211003130
5 Quinary 21102102344
6 Senary 2101333524
8 Octal 123450334
10 Decimal 21909724
12 Duodecimal 74072a4
16 Hexadecimal 14e50dc
20 Vigesimal 6gie64
36 Base36 d1lng

Cryptographic Hash Functions

md5 6bb37a5a49756fc2b73ba77317890047
sha1 572ab866742073cbbc3b0c7f7606ef85a9bff890
sha256 7f77d17aeb385ac54c79e5e86273372f48d738e49768b0583115bf8f12bd2507
sha512 792facd8a68d6d333bc622befa976428650eb11af8a2bae480609c2ac5ff95d0ea1a03bc264f97c3bbe75d12329d3e8ab7709dafa373b2bdff48c6951c339688
ripemd-160 fb68a519d4c51124367c5d30d18708379492d740

21909724 as geometric shapes

Circle

Radius = n
Diameter 43819448
Circumference 137662855.92116
Area 1.5080775891422E+15

Sphere

Radius = n
Volume 4.4055418331588E+22
Surface area 6.0323103565688E+15
Circumference 137662855.92116

Square

Length = n
Perimeter 87638896
Area 480036005756176
Diagonal 30985028.828651

Cube

Length = n
Surface area 2880216034537056
Volume 1.051745639618E+22
Space diagonal 37948755.147811

Equilateral Triangle

Length = n
Perimeter 65729172
Area 2.0786168785803E+14
Altitude 18974377.573906

Triangular Pyramid

Length = n
Surface area 2.0786168785803E+14
Volume 1.2394941230955E+21
Height 10328342.942884