21492489 (number)

21492489 is an odd 8-digits composite number following 21492488 and preceding 21492490. In scientific notation, it is written as 2.1492489 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 14023376 positive integers (up to 21492489) that are relatively prime to 21492489.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand four hundred eighty-nine

Notation

Scientific notation 2.1492489 × 10^7
Engineering notation 2.1492489 × 10^6

Prime Factorization of 21492489

Prime Factorization 3 × 47 × 152429

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492489
Product of the distinct prime numbers

The prime factorization of 21492489 is 3 × 47 × 152429. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492489)

Multiplication

n×y
n×2 42984978
n×3 64477467
n×4 85969956
n×5 107462445

Division

n÷y
n÷2 10746244.5
n÷3 7164163
n÷3 5373122.25
n÷5 4298497.8

Exponentiation

ny
n2 461927083415121
n3 9.9279627591016E+21
n4 2.133766303924E+29
n5 4.5859948815657E+36

Nth Root

y√n
2√n 4635.9992450388
3√n 278.03250400616
4√n 68.0881725782
5√n 29.272333378597

Divisors of 21492489

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492488
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492489 can be divided by 8 positive divisors. The sum of these divisors (counting 21492489) is 1, the average is 0.125.

Base conversion 21492489

Base System Value
2 Binary 1010001111111001100001001
3 Ternary 1111102221011010
4 Quaternary 1101333030021
5 Quinary 21000224424
6 Senary 2044354133
8 Octal 121771411
10 Decimal 21492489
12 Duodecimal 7245949
16 Hexadecimal 147f309
20 Vigesimal 6e6b49
36 Base36 csnpl

Cryptographic Hash Functions

md5 40aef6b438bafc981d5acca89861da9d
sha1 5bfb396c793c527dda8ade5ba97e7a981a929355
sha256 22639544ee652b5045c2e6727deccf594e0e46596ebaefe2df8910947ffabf54
sha512 4431a8aab51a6d87ee6d18c81d87d8df94dbc9d9cd850b2e5165afce6a5c73096416c8f7aec6d9cc1d600b927f0441a63e643a1b14a7560c4aef04c4978d2c9b
ripemd-160 9281c5ef19ec04ee40cc973754ac819a8f31ed65

21492489 as geometric shapes

Circle

Radius = n
Diameter 42984978
Circumference 135041291.09952
Area 1.4511867317511E+15

Sphere

Radius = n
Volume 4.1586153158809E+22
Surface area 5.8047469270044E+15
Circumference 135041291.09952

Square

Length = n
Perimeter 85969956
Area 461927083415121
Diagonal 30394969.432955

Cube

Length = n
Surface area 2771562500490726
Volume 9.9279627591016E+21
Space diagonal 37226082.929115

Equilateral Triangle

Length = n
Perimeter 64477467
Area 2.0002029446677E+14
Altitude 18613041.464558

Triangular Pyramid

Length = n
Surface area 2.0002029446677E+14
Volume 1.1700216317214E+21
Height 10131656.477652