21492493 (number)

21492493 is an odd 8-digits composite number following 21492492 and preceding 21492494. In scientific notation, it is written as 2.1492493 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 19538620 positive integers (up to 21492493) that are relatively prime to 21492493.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492493 × 10^7
Engineering notation 2.1492493 × 10^6

Prime Factorization of 21492493

Prime Factorization 11 × 1953863

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21492493
Product of the distinct prime numbers

The prime factorization of 21492493 is 11 × 1953863. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492493)

Multiplication

n×y
n×2 42984986
n×3 64477479
n×4 85969972
n×5 107462465

Division

n÷y
n÷2 10746246.5
n÷3 7164164.3333333
n÷3 5373123.25
n÷5 4298498.6

Exponentiation

ny
n2 461927255355049
n3 9.9279683022276E+21
n4 2.1337678923985E+29
n5 4.5859991490999E+36

Nth Root

y√n
2√n 4635.9996764452
3√n 278.03252125451
4√n 68.088175746198
5√n 29.27233446818

Divisors of 21492493

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492492
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492493 can be divided by 4 positive divisors. The sum of these divisors (counting 21492493) is 1, the average is 0.25.

Base conversion 21492493

Base System Value
2 Binary 1010001111111001100001101
3 Ternary 1111102221011021
4 Quaternary 1101333030031
5 Quinary 21000224433
6 Senary 2044354141
8 Octal 121771415
10 Decimal 21492493
12 Duodecimal 7245951
16 Hexadecimal 147f30d
20 Vigesimal 6e6b4d
36 Base36 csnpp

Cryptographic Hash Functions

md5 5f6f98c35081120c168b7b3f3735fe27
sha1 e8953f6b9ebbe925dcfbc4f78d4bd655764bd1cc
sha256 d06f306b852418e7560ebb11649aefb182bfee6eb05672b8d53ed4fc0a4206a9
sha512 5c567ac0577414ea82fbcdc089c18c5c1af324a0b647e0fe9d2ab23b27b1d786c2cd8b6b193d01f7f8fc09ad7c0412ae1cb585387d5db82603ba477fd1a25282
ripemd-160 fd630e98af63ee5fec83350cd04d804c7e69c4ca

21492493 as geometric shapes

Circle

Radius = n
Diameter 42984986
Circumference 135041316.23226
Area 1.4511872719163E+15

Sphere

Radius = n
Volume 4.1586176377801E+22
Surface area 5.8047490876653E+15
Circumference 135041316.23226

Square

Length = n
Perimeter 85969972
Area 461927255355049
Diagonal 30394975.089809

Cube

Length = n
Surface area 2771563532130294
Volume 9.9279683022276E+21
Space diagonal 37226089.857318

Equilateral Triangle

Length = n
Perimeter 64477479
Area 2.0002036891895E+14
Altitude 18613044.928659

Triangular Pyramid

Length = n
Surface area 2.0002036891895E+14
Volume 1.170022284985E+21
Height 10131658.36327