20778940 (number)

20778940 is an even 8-digits composite number following 20778939 and preceding 20778941. In scientific notation, it is written as 2.0778940 × 10^7. The sum of its digits is 37. It has a total of 7 prime factors and 72 positive divisors. There are 6547968 positive integers (up to 20778940) that are relatively prime to 20778940.

Interesting facts

Basic properties

Name

Name twenty million seven hundred seventy-eight thousand nine hundred forty

Notation

Scientific notation 2.0778940 × 10^7
Engineering notation 2.0778940 × 10^6

Prime Factorization of 20778940

Prime Factorization 2 × 2 × 35 × 13 × 7 × 7 × 233

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1484210
Product of the distinct prime numbers

The prime factorization of 20778940 is 2 × 2 × 35 × 13 × 7 × 7 × 233. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 1, 65, 36, 829, 521, 3990, 7587, 58769, 83939, 234748, 150772, 3118631, 4812810, 51371781, 15121783, 23468583, 589943895, 4100606582, 8817169411

Basic calculations (n = 20778940)

Multiplication

n×y
n×2 41557880
n×3 62336820
n×4 83115760
n×5 103894700

Division

n÷y
n÷2 10389470
n÷3 6926313.3333333
n÷3 5194735
n÷5 4155788

Exponentiation

ny
n2 431764347523600
n3 8.971605471332E+21
n4 1.8642045179248E+29
n5 3.8736193825688E+36

Nth Root

y√n
2√n 4558.3922604357
3√n 274.92092492288
4√n 67.515866730982
5√n 29.075331687884

Divisors of 20778940

1, 2, 4, 7, 13, 14, 26, 28, 35, 49, 52, 70, 91, 98, 140, 182, 196, 233, 245, 364, 455, 466, 490, 637, 910, 932, 980, 1274, 1631, 1715, 1820, 2548, 3029, 3185, 3262, 3430, 6058, 6370, 6524, 6860, 8155, 11417, 12116, 12740, 16310, 21203, 22295, 22834, 32620, 42406, 44590, 45668, 57085, 84812, 89180, 106015, 114170, 148421, 212030, 228340, 296842, 399595, 424060, 593684, 742105, 799190, 1484210, 1598380, 2968420, 5194735, 10389470, 20778940

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20778939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20778940 can be divided by 72 positive divisors. The sum of these divisors (counting 20778940) is 1, the average is 0.013888888888889.

Base conversion 20778940

Base System Value
2 Binary 1001111010000111110111100
3 Ternary 1110002200100101
4 Quaternary 1033100332330
5 Quinary 20304411230
6 Senary 2021210444
8 Octal 117207674
10 Decimal 20778940
12 Duodecimal 6b60a24
16 Hexadecimal 13d0fbc
20 Vigesimal 69h770
36 Base36 cdd4s

Cryptographic Hash Functions

md5 26a3ed8134c67ee6e07c5cff9583511c
sha1 f51d5fa221dbe3bae8e2e7b125ca82c727d1f739
sha256 c74b0a1d3e7652b5ff97d1dde4a55350d155206bac6318d91cb74bea1becfc75
sha512 fe9cc13537b9e9d5779b3e221d7feb2c7a9e9085804002acf2e3fe3abc1be9b4388589e0847570587bb0c8c6d524d7f9c3523d9c5fa1a45f0b0f6160597dbc68
ripemd-160 4cc506a4fdaae680b6814493333d9154934cb55f

20778940 as geometric shapes

Circle

Radius = n
Diameter 41557880
Circumference 130557930.50677
Area 1.3564277022621E+15

Sphere

Radius = n
Volume 3.7580173119524E+22
Surface area 5.4257108090485E+15
Circumference 130557930.50677

Square

Length = n
Perimeter 83115760
Area 431764347523600
Diagonal 29385858.759737

Cube

Length = n
Surface area 2590586085141600
Volume 8.971605471332E+21
Space diagonal 35990179.807425

Equilateral Triangle

Length = n
Perimeter 62336820
Area 1.8695944670193E+14
Altitude 17995089.903713

Triangular Pyramid

Length = n
Surface area 1.8695944670193E+14
Volume 1.0573138444849E+21
Height 9795286.2532456