21356494 (number)

21356494 is an even 8-digits composite number following 21356493 and preceding 21356495. In scientific notation, it is written as 2.1356494 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 10088064 positive integers (up to 21356494) that are relatively prime to 21356494.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-six thousand four hundred ninety-four

Notation

Scientific notation 2.1356494 × 10^7
Engineering notation 2.1356494 × 10^6

Prime Factorization of 21356494

Prime Factorization 2 × 19 × 557 × 1009

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21356494
Product of the distinct prime numbers

The prime factorization of 21356494 is 2 × 19 × 557 × 1009. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 91, 61, 393, 483, 7540, 6872, 97493, 6984, 566256, 511166, 6264089, 2611585, 39960759, 89440939, 929763702, 659685191, 6653358296, 2513979618

Basic calculations (n = 21356494)

Multiplication

n×y
n×2 42712988
n×3 64069482
n×4 85425976
n×5 106782470

Division

n÷y
n÷2 10678247
n÷3 7118831.3333333
n÷3 5339123.5
n÷5 4271298.8

Exponentiation

ny
n2 456099835972036
n3 9.7406934103378E+21
n4 2.0802706037372E+29
n5 4.4427286667089E+36

Nth Root

y√n
2√n 4621.3086891053
3√n 277.44484037428
4√n 67.980208069006
5√n 29.235194775148

Divisors of 21356494

1, 2, 19, 38, 557, 1009, 1114, 2018, 10583, 19171, 21166, 38342, 562013, 1124026, 10678247, 21356494

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 -21356493
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 21356494 can be divided by 16 positive divisors. The sum of these divisors (counting 21356494) is 1, the average is 0.0625.

Base conversion 21356494

Base System Value
2 Binary 1010001011101111111001110
3 Ternary 1111012000121021
4 Quaternary 1101131333032
5 Quinary 20431401434
6 Senary 2041424354
8 Octal 121357716
10 Decimal 21356494
12 Duodecimal 719b0ba
16 Hexadecimal 145dfce
20 Vigesimal 6d9b4e
36 Base36 cpqry

Cryptographic Hash Functions

md5 af4fd923f9f3bfee349fd8bce59b294b
sha1 f4771e5400f95a6cd2e7126d381caaaf3acd7b2b
sha256 0c9754f547f62384999765393316886a9f30b0599003a3362d6c1308fc88316e
sha512 6aae72d3037064ebb4fe7a7eebb11bb701f0ce6c6fa605ea610739f62c4c5f2a011331ea1ebdafa5950eb84c4db5362b79418517fe87149fcf3d7b292129d983
ripemd-160 c1eadc978ff7d5a6e8e2a7b5720a0118e413485f

21356494 as geometric shapes

Circle

Radius = n
Diameter 42712988
Circumference 134186809.31367
Area 1.4328798939933E+15

Sphere

Radius = n
Volume 4.080172114505E+22
Surface area 5.731519575973E+15
Circumference 134186809.31367

Square

Length = n
Perimeter 85425976
Area 456099835972036
Diagonal 30202643.45954

Cube

Length = n
Surface area 2736599015832216
Volume 9.7406934103378E+21
Space diagonal 36990532.67954

Equilateral Triangle

Length = n
Perimeter 64069482
Area 1.9749702230685E+14
Altitude 18495266.33977

Triangular Pyramid

Length = n
Surface area 1.9749702230685E+14
Volume 1.1479517273182E+21
Height 10067547.819847