21492494 (number)

21492494 is an even 8-digits composite number following 21492493 and preceding 21492495. In scientific notation, it is written as 2.1492494 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 10746246 positive integers (up to 21492494) that are relatively prime to 21492494.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492494 × 10^7
Engineering notation 2.1492494 × 10^6

Prime Factorization of 21492494

Prime Factorization 2 × 10746247

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21492494
Product of the distinct prime numbers

The prime factorization of 21492494 is 2 × 10746247. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492494)

Multiplication

n×y
n×2 42984988
n×3 64477482
n×4 85969976
n×5 107462470

Division

n÷y
n÷2 10746247
n÷3 7164164.6666667
n÷3 5373123.5
n÷5 4298498.8

Exponentiation

ny
n2 461927298340036
n3 9.9279696880094E+21
n4 2.1337682895172E+29
n5 4.586000215984E+36

Nth Root

y√n
2√n 4635.9997842968
3√n 278.0325255666
4√n 68.088176538198
5√n 29.272334740576

Divisors of 21492494

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 -21492493
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 21492494 can be divided by 4 positive divisors. The sum of these divisors (counting 21492494) is 1, the average is 0.25.

Base conversion 21492494

Base System Value
2 Binary 1010001111111001100001110
3 Ternary 1111102221011022
4 Quaternary 1101333030032
5 Quinary 21000224434
6 Senary 2044354142
8 Octal 121771416
10 Decimal 21492494
12 Duodecimal 7245952
16 Hexadecimal 147f30e
20 Vigesimal 6e6b4e
36 Base36 csnpq

Cryptographic Hash Functions

md5 56ed4e9aa8a970a141a468e4beac7603
sha1 d6f5a67955ee3308380cddfcab4ee6a624704117
sha256 6e2b325f7a57ae34c7b899b99b9c09b31e17142daf63da280141e1734bcec831
sha512 643aecef5cf3277e646d771b74268d70449f77d6821164e91eda8b663fd5753efbc5b633aec4bc2650cfae83f53582ba2d3f607b453badb237f7a6476151f302
ripemd-160 b4d2a17a73eabd71916a07d5de1bf7a9deabcbf7

21492494 as geometric shapes

Circle

Radius = n
Diameter 42984988
Circumference 135041322.51545
Area 1.4511874069576E+15

Sphere

Radius = n
Volume 4.158618218255E+22
Surface area 5.8047496278306E+15
Circumference 135041322.51545

Square

Length = n
Perimeter 85969976
Area 461927298340036
Diagonal 30394976.504022

Cube

Length = n
Surface area 2771563790040216
Volume 9.9279696880094E+21
Space diagonal 37226091.589369

Equilateral Triangle

Length = n
Perimeter 64477482
Area 2.0002038753199E+14
Altitude 18613045.794685

Triangular Pyramid

Length = n
Surface area 2.0002038753199E+14
Volume 1.170022448301E+21
Height 10131658.834674