20981318 (number)

20981318 is an even 8-digits composite number following 20981317 and preceding 20981319. In scientific notation, it is written as 2.0981318 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 10334016 positive integers (up to 20981318) that are relatively prime to 20981318.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0981318 × 10^7
Engineering notation 2.0981318 × 10^6

Prime Factorization of 20981318

Prime Factorization 2 × 67 × 156577

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20981318
Product of the distinct prime numbers

The prime factorization of 20981318 is 2 × 67 × 156577. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20981318)

Multiplication

n×y
n×2 41962636
n×3 62943954
n×4 83925272
n×5 104906590

Division

n÷y
n÷2 10490659
n÷3 6993772.6666667
n÷3 5245329.5
n÷5 4196263.6

Exponentiation

ny
n2 440215705017124
n3 9.2363056955585E+21
n4 1.9378986694372E+29
n5 4.065966823524E+36

Nth Root

y√n
2√n 4580.5368680975
3√n 275.81058031536
4√n 67.679663622815
5√n 29.131748585608

Divisors of 20981318

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20981317
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20981318 can be divided by 8 positive divisors. The sum of these divisors (counting 20981318) is 1, the average is 0.125.

Base conversion 20981318

Base System Value
2 Binary 1010000000010011001000110
3 Ternary 1110110221221212
4 Quaternary 1100002121012
5 Quinary 20332400233
6 Senary 2025411422
8 Octal 120023106
10 Decimal 20981318
12 Duodecimal 7039b72
16 Hexadecimal 1402646
20 Vigesimal 6b2d5i
36 Base36 chpae

Cryptographic Hash Functions

md5 93f29c6e86cbb45a478fd672d78add31
sha1 d0bf41483323e93e63b84576b489cdf9b663cfbc
sha256 d9eb444168ffc7e6c19a952aeb3e7bcb981f9e86ca349eb1dd50f4ff97e4c367
sha512 04456529e829cebb9fd667840443a21b1502d228e0b6c9076638dc36498d54fcb194cd4ec46d376328e93f2791df33576c5b490f572cb91c2ae7c2ea72cab2f2
ripemd-160 afc71bc1375f9a9df98f6a9b959395eba56126d7

20981318 as geometric shapes

Circle

Radius = n
Diameter 41962636
Circumference 131829508.98286
Area 1.3829784248766E+15

Sphere

Radius = n
Volume 3.8688946825968E+22
Surface area 5.5319136995066E+15
Circumference 131829508.98286

Square

Length = n
Perimeter 83925272
Area 440215705017124
Diagonal 29672064.472063

Cube

Length = n
Surface area 2641294230102744
Volume 9.2363056955585E+21
Space diagonal 36340708.785759

Equilateral Triangle

Length = n
Perimeter 62943954
Area 1.9061899184485E+14
Altitude 18170354.39288

Triangular Pyramid

Length = n
Surface area 1.9061899184485E+14
Volume 1.0885090650736E+21
Height 9890688.1573542