255131985 (number)

255131985 is an odd 9-digits composite number following 255131984 and preceding 255131986. In scientific notation, it is written as 2.55131985 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 130154112 positive integers (up to 255131985) that are relatively prime to 255131985.

Interesting facts

Basic properties

Name

Name two hundred fifty-five million one hundred thirty-one thousand nine hundred eighty-five

Notation

Scientific notation 2.55131985 × 10^8
Engineering notation 2.55131985 × 10^6

Prime Factorization of 255131985

Prime Factorization 15 × 23 × 739513

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 255131985
Product of the distinct prime numbers

The prime factorization of 255131985 is 15 × 23 × 739513. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 10, 48, 17, 699, 97, 8069, 4149, 71397, 46453, 341711, 422934, 3600077, 4682192, 77683498, 29476136, 525175584, 386158352, 5890840648, 9865991031

Basic calculations (n = 255131985)

Multiplication

n×y
n×2 510263970
n×3 765395955
n×4 1020527940
n×5 1275659925

Division

n÷y
n÷2 127565992.5
n÷3 85043995
n÷3 63782996.25
n÷5 51026397

Exponentiation

ny
n2 65092329770040225
n3 1.6607135302505E+25
n4 4.2370113948917E+33
n5 1.0809971276463E+42

Nth Root

y√n
2√n 15972.851498715
3√n 634.24195818746
4√n 126.38374697213
5√n 48.012352017016

Divisors of 255131985

1, 15, 23, 345, 739513, 11092695, 17008799, 255131985

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 -255131984
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 255131985 can be divided by 8 positive divisors. The sum of these divisors (counting 255131985) is 1, the average is 0.125.

Base conversion 255131985

Base System Value
2 Binary 1111001101010000000101010001
3 Ternary 122210002001021210
4 Quaternary 33031100011101
5 Quinary 1010303210420
6 Senary 41152210333
8 Octal 1715200521
10 Decimal 255131985
12 Duodecimal 715399a9
16 Hexadecimal f350151
20 Vigesimal 3jeb9j5
36 Base36 47wd3l

Cryptographic Hash Functions

md5 799d569fbae7b0372351f958b55a1d59
sha1 5ce15224ed02e81dd38159de5c48c1922a3c48f0
sha256 6421bd600fd9ce5c9824154c0a2d79fdc9e71249514ad14fa921a60a21681616
sha512 42458a33b33f1c33ed19ce7a8cdc425e30c5f2f1bb3180c0b024811c21ce193485bd171aa2353336662e4b249f83569dc26e1f2d4417dd8125f851dee1d00d29
ripemd-160 06fd370f424c5a21affdcd56f7d66551eca1919c

255131985 as geometric shapes

Circle

Radius = n
Diameter 510263970
Circumference 1603041539.5436
Area 2.044935850106E+17

Sphere

Radius = n
Volume 6.9563805684695E+25
Surface area 8.1797434004241E+17
Circumference 1603041539.5436

Square

Length = n
Perimeter 1020527940
Area 65092329770040225
Diagonal 360811113.38217

Cube

Length = n
Surface area 390553978620241350
Volume 1.6607135302505E+25
Space diagonal 441901560.6559

Equilateral Triangle

Length = n
Perimeter 765395955
Area 2.8185805586184E+16
Altitude 220950780.32795

Triangular Pyramid

Length = n
Surface area 2.8185805586184E+16
Volume 1.9571696647473E+24
Height 120270371.12739