21388246 (number)

21388246 is an even 8-digits composite number following 21388245 and preceding 21388247. In scientific notation, it is written as 2.1388246 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 9694080 positive integers (up to 21388246) that are relatively prime to 21388246.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eighty-eight thousand two hundred forty-six

Notation

Scientific notation 2.1388246 × 10^7
Engineering notation 2.1388246 × 10^6

Prime Factorization of 21388246

Prime Factorization 2 × 11 × 409 × 2377

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21388246
Product of the distinct prime numbers

The prime factorization of 21388246 is 2 × 11 × 409 × 2377. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 98, 72, 949, 82, 3859, 7891, 66116, 782, 321403, 561484, 1754203, 2645931, 47258156, 39252904, 392482512, 225243402, 2260542016, 4721653989

Basic calculations (n = 21388246)

Multiplication

n×y
n×2 42776492
n×3 64164738
n×4 85552984
n×5 106941230

Division

n÷y
n÷2 10694123
n÷3 7129415.3333333
n÷3 5347061.5
n÷5 4277649.2

Exponentiation

ny
n2 457457066956516
n3 9.7842042825044E+21
n4 2.0926696810846E+29
n5 4.4758533935779E+36

Nth Root

y√n
2√n 4624.7428036595
3√n 277.58227033409
4√n 68.005461572285
5√n 29.243882758734

Divisors of 21388246

1, 2, 11, 22, 409, 818, 2377, 4499, 4754, 8998, 26147, 52294, 972193, 1944386, 10694123, 21388246

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 -21388245
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 21388246 can be divided by 16 positive divisors. The sum of these divisors (counting 21388246) is 1, the average is 0.0625.

Base conversion 21388246

Base System Value
2 Binary 1010001100101101111010110
3 Ternary 1111020122011021
4 Quaternary 1101211233112
5 Quinary 20433410441
6 Senary 2042231354
8 Octal 121455726
10 Decimal 21388246
12 Duodecimal 71b555a
16 Hexadecimal 1465bd6
20 Vigesimal 6ddac6
36 Base36 cqf9y

Cryptographic Hash Functions

md5 7d78168ff421408501b7aa7bd2986e46
sha1 55f4151f1a725c0a1b5e4b6c9ce43669ab78395a
sha256 aceb7d3a774a23a948a7c87442cf205ddfd1c5ebe1412b786fe58cbae7c8f39e
sha512 c1e38b7e3adce8b95277c8903dbb98e05e427e305e97687e704afbfacaa6cc28bddea7cdf45e4ae935f0a9fd3185dd86a1b599a3d58473c3948336cc2763f37f
ripemd-160 3cc58ec5a14d229107b474b7f8182ad18a935f14

21388246 as geometric shapes

Circle

Radius = n
Diameter 42776492
Circumference 134386313.01354
Area 1.4371437608833E+15

Sphere

Radius = n
Volume 4.0983979060184E+22
Surface area 5.7485750435333E+15
Circumference 134386313.01354

Square

Length = n
Perimeter 85552984
Area 457457066956516
Diagonal 30247547.568572

Cube

Length = n
Surface area 2744742401739096
Volume 9.7842042825044E+21
Space diagonal 37045528.756782

Equilateral Triangle

Length = n
Perimeter 64164738
Area 1.9808472056253E+14
Altitude 18522764.378391

Triangular Pyramid

Length = n
Surface area 1.9808472056253E+14
Volume 1.1530795327789E+21
Height 10082515.856191