20402878 (number)

20402878 is an even 8-digits composite number following 20402877 and preceding 20402879. In scientific notation, it is written as 2.0402878 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 10157424 positive integers (up to 20402878) that are relatively prime to 20402878.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand eight hundred seventy-eight

Notation

Scientific notation 2.0402878 × 10^7
Engineering notation 2.0402878 × 10^6

Prime Factorization of 20402878

Prime Factorization 2 × 233 × 43783

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20402878
Product of the distinct prime numbers

The prime factorization of 20402878 is 2 × 233 × 43783. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20402878)

Multiplication

n×y
n×2 40805756
n×3 61208634
n×4 81611512
n×5 102014390

Division

n÷y
n÷2 10201439
n÷3 6800959.3333333
n÷3 5100719.5
n÷5 4080575.6

Exponentiation

ny
n2 416277430682884
n3 8.4932576323763E+21
n4 1.7328689929594E+29
n5 3.5355514653334E+36

Nth Root

y√n
2√n 4516.9545049735
3√n 273.25229040251
4√n 67.20829193614
5√n 28.969319029849

Divisors of 20402878

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 -20402877
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 20402878 can be divided by 8 positive divisors. The sum of these divisors (counting 20402878) is 1, the average is 0.125.

Base conversion 20402878

Base System Value
2 Binary 1001101110101001010111110
3 Ternary 1102101120111011
4 Quaternary 1031311022332
5 Quinary 20210343003
6 Senary 2005145434
8 Octal 115651276
10 Decimal 20402878
12 Duodecimal 69bb27a
16 Hexadecimal 13752be
20 Vigesimal 67a73i
36 Base36 c5aym

Cryptographic Hash Functions

md5 c841d05188147240f6795fcc88870da9
sha1 67c3bc844819a4ee325101d6b7b71916e79ba4c1
sha256 366dbd4732e2c7c52f497cffdf88b8e94df532b125342e6413e0875723e62462
sha512 ba96696d0abe87fbb053724daa20098605aab254ae4269e8712f8e6539150b402ff918007be2d6e2bc97fa5961e1274d32df3ea8e808599a01df4a2645634a8f
ripemd-160 26178661325fadf53e5837d6cb599f827f23e291

20402878 as geometric shapes

Circle

Radius = n
Diameter 40805756
Circumference 128195063.27378
Area 1.3077741180886E+15

Sphere

Radius = n
Volume 3.5576474377225E+22
Surface area 5.2310964723543E+15
Circumference 128195063.27378

Square

Length = n
Perimeter 81611512
Area 416277430682884
Diagonal 28854026.779044

Cube

Length = n
Surface area 2497664584097304
Volume 8.4932576323763E+21
Space diagonal 35338821.316629

Equilateral Triangle

Length = n
Perimeter 61208634
Area 1.8025341499675E+14
Altitude 17669410.658315

Triangular Pyramid

Length = n
Surface area 1.8025341499675E+14
Volume 1.0009400110363E+21
Height 9618008.9263479