21449649 (number)

21449649 is an odd 8-digits composite number following 21449648 and preceding 21449650. In scientific notation, it is written as 2.1449649 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 13199472 positive integers (up to 21449649) that are relatively prime to 21449649.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred forty-nine thousand six hundred forty-nine

Notation

Scientific notation 2.1449649 × 10^7
Engineering notation 2.1449649 × 10^6

Prime Factorization of 21449649

Prime Factorization 3 × 13 × 13 × 42307

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1649973
Product of the distinct prime numbers

The prime factorization of 21449649 is 3 × 13 × 13 × 42307. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21449649)

Multiplication

n×y
n×2 42899298
n×3 64348947
n×4 85798596
n×5 107248245

Division

n÷y
n÷2 10724824.5
n÷3 7149883
n÷3 5362412.25
n÷5 4289929.8

Exponentiation

ny
n2 460087442223201
n3 9.8687141449954E+21
n4 2.1168045449149E+29
n5 4.5404714490029E+36

Nth Root

y√n
2√n 4631.3765772176
3√n 277.8476512874
4√n 68.054217923782
5√n 29.260654621454

Divisors of 21449649

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 -21449648
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 21449649 can be divided by 12 positive divisors. The sum of these divisors (counting 21449649) is 1, the average is 0.083333333333333.

Base conversion 21449649

Base System Value
2 Binary 1010001110100101110110001
3 Ternary 1111100202101110
4 Quaternary 1101310232301
5 Quinary 20442342044
6 Senary 2043423533
8 Octal 121645661
10 Decimal 21449649
12 Duodecimal 7224ba9
16 Hexadecimal 1474bb1
20 Vigesimal 6e1429
36 Base36 crqnl

Cryptographic Hash Functions

md5 6ba677b27c744b495eae39fa35bed7ed
sha1 0559cfc76f5822bc987b8e33759c38b2c862ff28
sha256 459db9e01ea0b65b72729c64b09551200084e1418d619238eb05b36bbf81d09e
sha512 cca28bb7a6e0c2098560080e1abf21db4961abd46202d2936f2eb1ab23f67b86b33a08d69f28c12bcb75f5c3522370ab45c86962b16462c149a130477f4d172c
ripemd-160 f9cf933f9f38e4d916674e95904b69a8dc22e617

21449649 as geometric shapes

Circle

Radius = n
Diameter 42899298
Circumference 134772119.44096
Area 1.4454073284973E+15

Sphere

Radius = n
Volume 4.1337973144394E+22
Surface area 5.7816293139893E+15
Circumference 134772119.44096

Square

Length = n
Perimeter 85798596
Area 460087442223201
Diagonal 30334384.523942

Cube

Length = n
Surface area 2760524653339206
Volume 9.8687141449954E+21
Space diagonal 37151881.872519

Equilateral Triangle

Length = n
Perimeter 64348947
Area 1.9922370646375E+14
Altitude 18575940.936259

Triangular Pyramid

Length = n
Surface area 1.9922370646375E+14
Volume 1.1630391155863E+21
Height 10111461.507981