21493492 (number)

21493492 is an even 8-digits composite number following 21493491 and preceding 21493493. In scientific notation, it is written as 2.1493492 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 10647936 positive integers (up to 21493492) that are relatively prime to 21493492.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand four hundred ninety-two

Notation

Scientific notation 2.1493492 × 10^7
Engineering notation 2.1493492 × 10^6

Prime Factorization of 21493492

Prime Factorization 2 × 2 × 109 × 49297

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10746746
Product of the distinct prime numbers

The prime factorization of 21493492 is 2 × 2 × 109 × 49297. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493492)

Multiplication

n×y
n×2 42986984
n×3 64480476
n×4 85973968
n×5 107467460

Division

n÷y
n÷2 10746746
n÷3 7164497.3333333
n÷3 5373373
n÷5 4298698.4

Exponentiation

ny
n2 461970198354064
n3 9.9293527625615E+21
n4 2.1341646416729E+29
n5 4.587065065248E+36

Nth Root

y√n
2√n 4636.1074189453
3√n 278.03682896303
4√n 68.088966939919
5√n 29.272606586621

Divisors of 21493492

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 -21493491
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 21493492 can be divided by 12 positive divisors. The sum of these divisors (counting 21493492) is 1, the average is 0.083333333333333.

Base conversion 21493492

Base System Value
2 Binary 1010001111111011011110100
3 Ternary 1111102222112021
4 Quaternary 1101333123310
5 Quinary 21000242432
6 Senary 2044402524
8 Octal 121773364
10 Decimal 21493492
12 Duodecimal 7246444
16 Hexadecimal 147f6f4
20 Vigesimal 6e6dec
36 Base36 csohg

Cryptographic Hash Functions

md5 e2eccd882fc9b281af0eb48b0a3e5eec
sha1 cccc0aa47343b2ae3d8819a45324cf0f92b6e380
sha256 c448383bdc369cf413fe34f1fc08df69a5d7800371446a8af2a135d0a1ad8e42
sha512 42be3eabf24e2d870f12acb145c760bcd6d6deddbabccd17c38d6b32804f43c6fe9b0e4ce0e195826ca9ed2ffa6ec97246d738f8feb82ddc5d13e1edac79df48
ripemd-160 027d4d7cd188127c2583518212a24fbdaf895cd7

21493492 as geometric shapes

Circle

Radius = n
Diameter 42986984
Circumference 135047593.13438
Area 1.4513221813265E+15

Sphere

Radius = n
Volume 4.1591975591686E+22
Surface area 5.8052887253062E+15
Circumference 135047593.13438

Square

Length = n
Perimeter 85973968
Area 461970198354064
Diagonal 30396387.889158

Cube

Length = n
Surface area 2771821190124384
Volume 9.9293527625615E+21
Space diagonal 37227820.176075

Equilateral Triangle

Length = n
Perimeter 64480476
Area 2.0003896378298E+14
Altitude 18613910.088038

Triangular Pyramid

Length = n
Surface area 2.0003896378298E+14
Volume 1.1701854452001E+21
Height 10132129.296386