21909540 (number)

21909540 is an even 8-digits composite number following 21909539 and preceding 21909541. In scientific notation, it is written as 2.1909540 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 5842528 positive integers (up to 21909540) that are relatively prime to 21909540.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand five hundred forty

Notation

Scientific notation 2.1909540 × 10^7
Engineering notation 2.1909540 × 10^6

Prime Factorization of 21909540

Prime Factorization 2 × 2 × 3 × 5 × 365159

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10954770
Product of the distinct prime numbers

The prime factorization of 21909540 is 2 × 2 × 3 × 5 × 365159. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 6, 80, 91, 112, 318, 3993, 3755, 4270, 74615, 654515, 323604, 9877030, 9531349, 32192927, 51595177, 80538849, 820143416, 5593152643, 3111089522

Basic calculations (n = 21909540)

Multiplication

n×y
n×2 43819080
n×3 65728620
n×4 87638160
n×5 109547700

Division

n÷y
n÷2 10954770
n÷3 7303180
n÷3 5477385
n÷5 4381908

Exponentiation

ny
n2 480027943011600
n3 1.051719141853E+22
n4 2.3042682607195E+29
n5 5.0485457628964E+36

Nth Root

y√n
2√n 4680.7627583547
3√n 279.81935627076
4√n 68.416100139913
5√n 29.38506474139

Divisors of 21909540

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 365159, 730318, 1095477, 1460636, 1825795, 2190954, 3651590, 4381908, 5477385, 7303180, 10954770, 21909540

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21909539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21909540 can be divided by 24 positive divisors. The sum of these divisors (counting 21909540) is 1, the average is 0.041666666666667.

Base conversion 21909540

Base System Value
2 Binary 1010011100101000000100100
3 Ternary 1112020010020110
4 Quaternary 1103211000210
5 Quinary 21102101130
6 Senary 2101333020
8 Octal 123450044
10 Decimal 21909540
12 Duodecimal 7407170
16 Hexadecimal 14e5024
20 Vigesimal 6gidh0
36 Base36 d1lic

Cryptographic Hash Functions

md5 dc042487fb165bb5dbff88573f94064d
sha1 c36643bedba1748f19a8f7414dd211c58010618a
sha256 28d60d9c64d819f1e107445510a86c6198f2faf9a041e4ebbf0cb3ce630aeb2c
sha512 779140e3a4d63e226d9098e5bc1b654ca48999ef8f7090b13e286df7bfee06ae2fcb7a3887a34aba19accba3fa44cdad09e4d2962d7df0a4881f96a0914b74c3
ripemd-160 0eff05b043fda22b034ed82c02c94a72fcbd2429

21909540 as geometric shapes

Circle

Radius = n
Diameter 43819080
Circumference 137661699.81506
Area 1.5080522592831E+15

Sphere

Radius = n
Volume 4.4054308395804E+22
Surface area 6.0322090371322E+15
Circumference 137661699.81506

Square

Length = n
Perimeter 87638160
Area 480027943011600
Diagonal 30984768.613356

Cube

Length = n
Surface area 2880167658069600
Volume 1.051719141853E+22
Space diagonal 37948436.450463

Equilateral Triangle

Length = n
Perimeter 65728620
Area 2.0785819658722E+14
Altitude 18974218.225231

Triangular Pyramid

Length = n
Surface area 2.0785819658722E+14
Volume 1.23946289518E+21
Height 10328256.204452