21468909 (number)

21468909 is an odd 8-digits composite number following 21468908 and preceding 21468910. In scientific notation, it is written as 2.1468909 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 10348800 positive integers (up to 21468909) that are relatively prime to 21468909.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred sixty-eight thousand nine hundred nine

Notation

Scientific notation 2.1468909 × 10^7
Engineering notation 2.1468909 × 10^6

Prime Factorization of 21468909

Prime Factorization 11 × 3 × 539 × 17 × 71

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21468909
Product of the distinct prime numbers

The prime factorization of 21468909 is 11 × 3 × 539 × 17 × 71. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 1, 70, 12, 222, 731, 1210, 3722, 37159, 40785, 282833, 686620, 7279015, 4530151, 18288135, 61183174, 413502334, 604961273, 7695755025, 6011564434

Basic calculations (n = 21468909)

Multiplication

n×y
n×2 42937818
n×3 64406727
n×4 85875636
n×5 107344545

Division

n÷y
n÷2 10734454.5
n÷3 7156303
n÷3 5367227.25
n÷5 4293781.8

Exponentiation

ny
n2 460914053650281
n3 9.895321874639E+21
n4 2.1244176485233E+29
n5 4.5608929174142E+36

Nth Root

y√n
2√n 4633.4554060658
3√n 277.93078776631
4√n 68.069489538748
5√n 29.265907461767

Divisors of 21468909

1, 3, 11, 17, 33, 51, 71, 187, 213, 539, 561, 781, 1207, 1617, 2343, 3621, 5929, 9163, 13277, 17787, 27489, 38269, 39831, 100793, 114807, 302379, 420959, 650573, 1262877, 1951719, 7156303, 21468909

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21468908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21468909 can be divided by 32 positive divisors. The sum of these divisors (counting 21468909) is 1, the average is 0.03125.

Base conversion 21468909

Base System Value
2 Binary 1010001111001011011101101
3 Ternary 1111101201210210
4 Quaternary 1101321123231
5 Quinary 20444001114
6 Senary 2044053033
8 Octal 121713355
10 Decimal 21468909
12 Duodecimal 7234179
16 Hexadecimal 14796ed
20 Vigesimal 6e3c59
36 Base36 cs5il

Cryptographic Hash Functions

md5 3a17a2af4c88f4464617654a5a00655c
sha1 681fa188fef1a0834bebe52651e596e2636731e7
sha256 5c8454a4d287585ded6f560e9ce10dd299afae6af449b6898cc33ce86e807f57
sha512 3455166c9192924b4d1f43707a4ce6d5444fb0be2c40920d2838494d388211752ad34ee61f4af367f944620e0d111d8012911ea151f146feb84ce6b3da4b3ee0
ripemd-160 d58ea314d57596c6a3e7540b99849b4e17b663f5

21468909 as geometric shapes

Circle

Radius = n
Diameter 42937818
Circumference 134893133.58998
Area 1.448004204884E+15

Sphere

Radius = n
Volume 4.1449427341696E+22
Surface area 5.7920168195361E+15
Circumference 134893133.58998

Square

Length = n
Perimeter 85875636
Area 460914053650281
Diagonal 30361622.277154

Cube

Length = n
Surface area 2765484321901686
Volume 9.895321874639E+21
Space diagonal 37185241.171073

Equilateral Triangle

Length = n
Perimeter 64406727
Area 1.995816397112E+14
Altitude 18592620.585536

Triangular Pyramid

Length = n
Surface area 1.995816397112E+14
Volume 1.1661748665968E+21
Height 10120540.759051