21492418 (number)

21492418 is an even 8-digits composite number following 21492417 and preceding 21492419. In scientific notation, it is written as 2.1492418 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 10727316 positive integers (up to 21492418) that are relatively prime to 21492418.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492418 × 10^7
Engineering notation 2.1492418 × 10^6

Prime Factorization of 21492418

Prime Factorization 2 × 587 × 18307

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492418
Product of the distinct prime numbers

The prime factorization of 21492418 is 2 × 587 × 18307. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492418)

Multiplication

n×y
n×2 42984836
n×3 64477254
n×4 85969672
n×5 107462090

Division

n÷y
n÷2 10746209
n÷3 7164139.3333333
n÷3 5373104.5
n÷5 4298483.6

Exponentiation

ny
n2 461924031486724
n3 9.9278643689578E+21
n4 2.1337381086495E+29
n5 4.5859191333624E+36

Nth Root

y√n
2√n 4635.9915875679
3√n 278.03219784758
4√n 68.088116346157
5√n 29.27231403846

Divisors of 21492418

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 -21492417
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 21492418 can be divided by 8 positive divisors. The sum of these divisors (counting 21492418) is 1, the average is 0.125.

Base conversion 21492418

Base System Value
2 Binary 1010001111111001011000010
3 Ternary 1111102221001111
4 Quaternary 1101333023002
5 Quinary 21000224133
6 Senary 2044353534
8 Octal 121771302
10 Decimal 21492418
12 Duodecimal 72458aa
16 Hexadecimal 147f2c2
20 Vigesimal 6e6b0i
36 Base36 csnnm

Cryptographic Hash Functions

md5 3379dff32360136d38039ff209da1113
sha1 63a2964d67cb31bc5d99c18913eb0268ec9a6d5d
sha256 cd47bb9e0a7c190027b93c9ccba80c546a2ade2568e4c54f3148cd02c8024d9c
sha512 b3672d37c64606cd4b1438720a25c8ecec50cb3e10b64fc0be40a834eeef898323a24e6e2d1dc06f93f93519d3e1ecab9fce7920d11521ee854974d1745b505e
ripemd-160 6a9956ef6cce8745ce5776b28b78468461b521ac

21492418 as geometric shapes

Circle

Radius = n
Diameter 42984836
Circumference 135040844.99336
Area 1.4511771438353E+15

Sphere

Radius = n
Volume 4.1585741023138E+22
Surface area 5.8047085753411E+15
Circumference 135040844.99336

Square

Length = n
Perimeter 85969672
Area 461924031486724
Diagonal 30394869.023792

Cube

Length = n
Surface area 2771544188920344
Volume 9.9278643689578E+21
Space diagonal 37225959.953508

Equilateral Triangle

Length = n
Perimeter 64477254
Area 2.0001897294301E+14
Altitude 18612979.976754

Triangular Pyramid

Length = n
Surface area 2.0001897294301E+14
Volume 1.1700100363317E+21
Height 10131623.007931