21086918 (number)

21086918 is an even 8-digits composite number following 21086917 and preceding 21086919. In scientific notation, it is written as 2.1086918 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 10373160 positive integers (up to 21086918) that are relatively prime to 21086918.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand nine hundred eighteen

Notation

Scientific notation 2.1086918 × 10^7
Engineering notation 2.1086918 × 10^6

Prime Factorization of 21086918

Prime Factorization 2 × 107 × 467 × 211

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21086918
Product of the distinct prime numbers

The prime factorization of 21086918 is 2 × 107 × 467 × 211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 5, 80, 7, 127, 178, 2117, 1378, 11879, 96574, 82441, 495642, 2210858, 4127759, 8956497, 42870142, 302037987, 106168053, 7406830604, 8258593863

Basic calculations (n = 21086918)

Multiplication

n×y
n×2 42173836
n×3 63260754
n×4 84347672
n×5 105434590

Division

n÷y
n÷2 10543459
n÷3 7028972.6666667
n÷3 5271729.5
n÷5 4217383.6

Exponentiation

ny
n2 444658110738724
n3 9.3764691191824E+21
n4 1.9772083544573E+29
n5 4.1693230439356E+36

Nth Root

y√n
2√n 4592.0494335318
3√n 276.27252889163
4√n 67.764662129548
5√n 29.16101403018

Divisors of 21086918

1, 2, 107, 211, 214, 422, 467, 934, 22577, 45154, 49969, 98537, 99938, 197074, 10543459, 21086918

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 -21086917
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 21086918 can be divided by 16 positive divisors. The sum of these divisors (counting 21086918) is 1, the average is 0.0625.

Base conversion 21086918

Base System Value
2 Binary 1010000011100001011000110
3 Ternary 1110200022210222
4 Quaternary 1100130023012
5 Quinary 20344240133
6 Senary 2031544342
8 Octal 120341306
10 Decimal 21086918
12 Duodecimal 708b0b2
16 Hexadecimal 141c2c6
20 Vigesimal 6bfh5i
36 Base36 cjyrq

Cryptographic Hash Functions

md5 a602e3d21e89e722b7fee72fbcc66a66
sha1 5c6decbca7155381f3cfefe53370e55f8af84983
sha256 af64a94a0bc4bd2d31c7fd4088d57a201a80017f9b7df1d897e634b3c6908989
sha512 7791d54407ab4692e82b43fd38f53c6d16920caa921420eb4fb58e356db9f610d90b93080c14f0aabd1ee18afa39b10f41c3fbd3c7d3b003fc6c2efbc210b16e
ripemd-160 9640514f53750c4b219a67d36549f7e876877b49

21086918 as geometric shapes

Circle

Radius = n
Diameter 42173836
Circumference 132493013.3513
Area 1.3969346540559E+15

Sphere

Radius = n
Volume 3.9276062001913E+22
Surface area 5.5877386162236E+15
Circumference 132493013.3513

Square

Length = n
Perimeter 84347672
Area 444658110738724
Diagonal 29821405.424249

Cube

Length = n
Surface area 2667948664432344
Volume 9.3764691191824E+21
Space diagonal 36523613.351039

Equilateral Triangle

Length = n
Perimeter 63260754
Area 1.9254260994926E+14
Altitude 18261806.675519

Triangular Pyramid

Length = n
Surface area 1.9254260994926E+14
Volume 1.10502748296E+21
Height 9940468.4747498