20997918 (number)

20997918 is an even 8-digits composite number following 20997917 and preceding 20997919. In scientific notation, it is written as 2.0997918 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 6975072 positive integers (up to 20997918) that are relatively prime to 20997918.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-seven thousand nine hundred eighteen

Notation

Scientific notation 2.0997918 × 10^7
Engineering notation 2.0997918 × 10^6

Prime Factorization of 20997918

Prime Factorization 2 × 3 × 3 × 313 × 3727

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6999306
Product of the distinct prime numbers

The prime factorization of 20997918 is 2 × 3 × 3 × 313 × 3727. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 5, 93, 11, 533, 558, 4461, 9074, 90058, 58594, 66034, 241120, 3419727, 6220028, 82402011, 14235435, 695404262, 564477019, 8800368337, 3506884289

Basic calculations (n = 20997918)

Multiplication

n×y
n×2 41995836
n×3 62993754
n×4 83991672
n×5 104989590

Division

n÷y
n÷2 10498959
n÷3 6999306
n÷3 5249479.5
n÷5 4199583.6

Exponentiation

ny
n2 440912560334724
n3 9.2582457870786E+21
n4 1.9440388586092E+29
n5 4.082076854189E+36

Nth Root

y√n
2√n 4582.3485245014
3√n 275.88329974926
4√n 67.693046352645
5√n 29.13635681906

Divisors of 20997918

1, 2, 3, 6, 9, 18, 313, 626, 939, 1878, 2817, 3727, 5634, 7454, 11181, 22362, 33543, 67086, 1166551, 2333102, 3499653, 6999306, 10498959, 20997918

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20997917
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20997918 can be divided by 24 positive divisors. The sum of these divisors (counting 20997918) is 1, the average is 0.041666666666667.

Base conversion 20997918

Base System Value
2 Binary 1010000000110011100011110
3 Ternary 1110111210201200
4 Quaternary 1100012130132
5 Quinary 20333413133
6 Senary 2030020330
8 Octal 120063436
10 Decimal 20997918
12 Duodecimal 70476a6
16 Hexadecimal 140671e
20 Vigesimal 6b4efi
36 Base36 ci23i

Cryptographic Hash Functions

md5 7385d6392ed0f93ad0c3c486d34f3888
sha1 5618b3cebeafefecf927cc8c483f212d5138da36
sha256 cbdb5f51adbbcd95931dcb25b1ae6e18564939b554025a9fe911d34e6ae56ccb
sha512 cedf2704e6e74d132db6dc4084ae4eaaf926c7f8ee1643c1f3040b056c0ac795f5a44df4dbe99e574266bb5ac73574604cf7601411a7076369a0561198023a2d
ripemd-160 238c1a36b93c68a5181df8a873dfd3fdc6eb3fb9

20997918 as geometric shapes

Circle

Radius = n
Diameter 41995836
Circumference 131933809.85896
Area 1.385167660423E+15

Sphere

Radius = n
Volume 3.878084926642E+22
Surface area 5.5406706416921E+15
Circumference 131933809.85896

Square

Length = n
Perimeter 83991672
Area 440912560334724
Diagonal 29695540.417198

Cube

Length = n
Surface area 2645475362008344
Volume 9.2582457870786E+21
Space diagonal 36369460.829165

Equilateral Triangle

Length = n
Perimeter 62993754
Area 1.9092073904876E+14
Altitude 18184730.414583

Triangular Pyramid

Length = n
Surface area 1.9092073904876E+14
Volume 1.0910947296558E+21
Height 9898513.4723994