255351985 (number)

255351985 is an odd 9-digits composite number following 255351984 and preceding 255351986. In scientific notation, it is written as 2.55351985 × 10^8. The sum of its digits is 43. It has a total of 6 prime factors and 48 positive divisors. There are 160247808 positive integers (up to 255351985) that are relatively prime to 255351985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.55351985 × 10^8
Engineering notation 2.55351985 × 10^6

Prime Factorization of 255351985

Prime Factorization 17 × 5 × 7 × 7 × 37 × 1657

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 36478855
Product of the distinct prime numbers

The prime factorization of 255351985 is 17 × 5 × 7 × 7 × 37 × 1657. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 5, 40, 22, 594, 165, 1979, 7416, 11364, 40790, 506300, 270098, 4341824, 2882021, 72648458, 32449229, 647566009, 155712114, 2838461632, 4341701188

Basic calculations (n = 255351985)

Multiplication

n×y
n×2 510703970
n×3 766055955
n×4 1021407940
n×5 1276759925

Division

n÷y
n÷2 127675992.5
n÷3 85117328.333333
n÷3 63837996.25
n÷5 51070397

Exponentiation

ny
n2 65204636243440225
n3 1.6650133295965E+25
n4 4.2516445876394E+33
n5 1.0856658849682E+42

Nth Root

y√n
2√n 15979.736699958
3√n 634.42420783569
4√n 126.41098330429
5√n 48.020629361027

Divisors of 255351985

1, 5, 7, 17, 35, 37, 49, 85, 119, 185, 245, 259, 595, 629, 833, 1295, 1657, 1813, 3145, 4165, 4403, 8285, 9065, 11599, 22015, 28169, 30821, 57995, 61309, 81193, 140845, 154105, 197183, 306545, 405965, 429163, 985915, 1042253, 1380281, 2145815, 3004141, 5211265, 6901405, 7295771, 15020705, 36478855, 51070397, 255351985

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -255351984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 255351985 can be divided by 48 positive divisors. The sum of these divisors (counting 255351985) is 1, the average is 0.020833333333333.

Base conversion 255351985

Base System Value
2 Binary 1111001110000101110010110001
3 Ternary 122210111020001221
4 Quaternary 33032011302301
5 Quinary 1010332230420
6 Senary 41201025041
8 Octal 1716056261
10 Decimal 255351985
12 Duodecimal 71625181
16 Hexadecimal f385cb1
20 Vigesimal 3jfijj5
36 Base36 4812up

Cryptographic Hash Functions

md5 b9515f89395f425cfb0967b2285358c0
sha1 32a1cf1ea40413452a1a663b9bf1e1cc7c6a505d
sha256 3d896655ffe4366e9da80a7d015a576520a142214b04cdfd6ec378e97a3f9d11
sha512 97c5c0b3d84fa1d8a4297056aad38085ee07f320d2a3be21d83ca6fd1bb67d0dd7588fc290ec8194b14efef6fdaf00bbc661b6d693a59efb8aceb3c333c7878a
ripemd-160 c16febd98d7c47f39048dbfd6eaa703df4da60ae

255351985 as geometric shapes

Circle

Radius = n
Diameter 510703970
Circumference 1604423840.3111
Area 2.0484640620239E+17

Sphere

Radius = n
Volume 6.9743915258528E+25
Surface area 8.1938562480955E+17
Circumference 1604423840.3111

Square

Length = n
Perimeter 1021407940
Area 65204636243440225
Diagonal 361122240.36589

Cube

Length = n
Surface area 391227817460641350
Volume 1.6650133295965E+25
Space diagonal 442282611.83357

Equilateral Triangle

Length = n
Perimeter 766055955
Area 2.8234435715671E+16
Altitude 221141305.91678

Triangular Pyramid

Length = n
Surface area 2.8234435715671E+16
Volume 1.9622370268728E+24
Height 120374080.12196