21494442 (number)

21494442 is an even 8-digits composite number following 21494441 and preceding 21494443. In scientific notation, it is written as 2.1494442 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 7116432 positive integers (up to 21494442) that are relatively prime to 21494442.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494442 × 10^7
Engineering notation 2.1494442 × 10^6

Prime Factorization of 21494442

Prime Factorization 2 × 3 × 149 × 24043

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21494442
Product of the distinct prime numbers

The prime factorization of 21494442 is 2 × 3 × 149 × 24043. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 39, 64, 486, 675, 7695, 5023, 11608, 51280, 973444, 444923, 219192, 4893714, 80767957, 96962311, 247087436, 71384732, 5047519052, 225590632

Basic calculations (n = 21494442)

Multiplication

n×y
n×2 42988884
n×3 64483326
n×4 85977768
n×5 107472210

Division

n÷y
n÷2 10747221
n÷3 7164814
n÷3 5373610.5
n÷5 4298888.4

Exponentiation

ny
n2 462011036891364
n3 9.9306694358213E+21
n4 2.1345419820943E+29
n5 4.5880788830692E+36

Nth Root

y√n
2√n 4636.2098744556
3√n 278.04092525872
4√n 68.089719300755
5√n 29.272865348526

Divisors of 21494442

1, 2, 3, 6, 149, 298, 447, 894, 24043, 48086, 72129, 144258, 3582407, 7164814, 10747221, 21494442

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494441
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494442 can be divided by 16 positive divisors. The sum of these divisors (counting 21494442) is 1, the average is 0.0625.

Base conversion 21494442

Base System Value
2 Binary 1010001111111101010101010
3 Ternary 1111110000211110
4 Quaternary 1101333222222
5 Quinary 21000310232
6 Senary 2044411150
8 Octal 121775252
10 Decimal 21494442
12 Duodecimal 7246ab6
16 Hexadecimal 147faaa
20 Vigesimal 6e6g22
36 Base36 csp7u

Cryptographic Hash Functions

md5 3dc69540b244f8b6e45d8789b62e4c25
sha1 3e591e3ddf43a68f00554094f4265cef25d85cb9
sha256 d6c70e94e84b8732482331e77342f92e118f590075ea930ca78fb622ad6b82c7
sha512 f39d90cdf2bc3f7d75afe9bad7785943a1bcf448e8e8035b14f3e09037c7c7e1718f9d6a28fbd9e2b56c66c7fdcda84b4e5661bf91b467b3171a0d1e1b9eb4fb
ripemd-160 458776535ee127822699888f78f047cd6de0a83f

21494442 as geometric shapes

Circle

Radius = n
Diameter 42988884
Circumference 135053562.16042
Area 1.4514504793753E+15

Sphere

Radius = n
Volume 4.159749085974E+22
Surface area 5.8058019175012E+15
Circumference 135053562.16042

Square

Length = n
Perimeter 85977768
Area 462011036891364
Diagonal 30397731.392042

Cube

Length = n
Surface area 2772066221348184
Volume 9.9306694358213E+21
Space diagonal 37229465.624342

Equilateral Triangle

Length = n
Perimeter 64483326
Area 2.0005664738836E+14
Altitude 18614732.812171

Triangular Pyramid

Length = n
Surface area 2.0005664738836E+14
Volume 1.1703406166319E+21
Height 10132577.130681