51981808 (number)

51981808 is an even 8-digits composite number following 51981807 and preceding 51981809. In scientific notation, it is written as 5.1981808 × 10^7. The sum of its digits is 40. It has a total of 6 prime factors and 20 positive divisors. There are 25760000 positive integers (up to 51981808) that are relatively prime to 51981808.

Interesting facts

Basic properties

Name

Name fifty-one million nine hundred eighty-one thousand eight hundred eight

Notation

Scientific notation 5.1981808 × 10^7
Engineering notation 5.1981808 × 10^6

Prime Factorization of 51981808

Prime Factorization 2 × 2 × 2 × 2 × 113 × 28751

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 6497726
Product of the distinct prime numbers

The prime factorization of 51981808 is 2 × 2 × 2 × 2 × 113 × 28751. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 9, 87, 42, 528, 173, 4725, 4107, 22484, 39924, 228333, 855903, 7647890, 7633561, 91945062, 64394884, 19252349, 792732610, 3399211052, 4975078590

Basic calculations (n = 51981808)

Multiplication

n×y
n×2 103963616
n×3 155945424
n×4 207927232
n×5 259909040

Division

n÷y
n÷2 25990904
n÷3 17327269.333333
n÷3 12995452
n÷5 10396361.6

Exponentiation

ny
n2 2702108362948864
n3 1.40460478118E+23
n4 7.3013896051182E+30
n5 3.7953943258645E+38

Nth Root

y√n
2√n 7209.8410523395
3√n 373.20758378243
4√n 84.910782897931
5√n 34.927723162771

Divisors of 51981808

1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 28751, 57502, 115004, 230008, 460016, 3248863, 6497726, 12995452, 25990904, 51981808

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -51981807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 51981808 can be divided by 20 positive divisors. The sum of these divisors (counting 51981808) is 1, the average is 0.05.

Base conversion 51981808

Base System Value
2 Binary 11000110010010110111110000
3 Ternary 10121210221122011
4 Quaternary 3012102313300
5 Quinary 101301404213
6 Senary 5054052304
8 Octal 306226760
10 Decimal 51981808
12 Duodecimal 154aa094
16 Hexadecimal 3192df0
20 Vigesimal g4hea8
36 Base36 uy5f4

Cryptographic Hash Functions

md5 f42c6faf62aedde58deeb870fec2a735
sha1 230bc34baee808a6999581d2e36b58d56b7422c8
sha256 fd3922fb7577ab1b65c7312de0163467be17e8a4632bb2340186a9c383fb10f9
sha512 f4d31fa9fcd9f1ede2929ad25cff8a76792568e461dfc05825206bf5f19ee1d2f79c80d33a6bbb02519745f34a503e4819b3285d8bbe640b2b7fd459670692e4
ripemd-160 6e63fcc40757792ea6a87e81c63f8d5101a76c7b

51981808 as geometric shapes

Circle

Radius = n
Diameter 103963616
Circumference 326611332.26623
Area 8.4889237822437E+15

Sphere

Radius = n
Volume 5.883594749003E+23
Surface area 3.3955695128975E+16
Circumference 326611332.26623

Square

Length = n
Perimeter 207927232
Area 2702108362948864
Diagonal 73513377.870274

Cube

Length = n
Surface area 16212650177693184
Volume 1.40460478118E+23
Space diagonal 90035132.52529

Equilateral Triangle

Length = n
Perimeter 155945424
Area 1.170047243046E+15
Altitude 45017566.262645

Triangular Pyramid

Length = n
Surface area 1.170047243046E+15
Volume 1.6553426094324E+22
Height 24504459.290091