268989991 (number)

268989991 is an odd 9-digits composite number following 268989990 and preceding 268989992. In scientific notation, it is written as 2.68989991 × 10^8. The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors. There are 256359840 positive integers (up to 268989991) that are relatively prime to 268989991.

Interesting facts

Basic properties

Name

Name two hundred sixty-eight million nine hundred eighty-nine thousand nine hundred ninety-one

Notation

Scientific notation 2.68989991 × 10^8
Engineering notation 2.68989991 × 10^6

Prime Factorization of 268989991

Prime Factorization 23 × 277 × 42221

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 268989991
Product of the distinct prime numbers

The prime factorization of 268989991 is 23 × 277 × 42221. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 268989991)

Multiplication

n×y
n×2 537979982
n×3 806969973
n×4 1075959964
n×5 1344949955

Division

n÷y
n÷2 134494995.5
n÷3 89663330.333333
n÷3 67247497.75
n÷5 53797998.2

Exponentiation

ny
n2 72355615258180081
n3 1.9462936297097E+25
n4 5.2353350593898E+33
n5 1.4082527305072E+42

Nth Root

y√n
2√n 16400.914334268
3√n 645.52347464441
4√n 128.06605457446
5√n 48.522953097765

Divisors of 268989991

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 -268989990
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 268989991 can be divided by 8 positive divisors. The sum of these divisors (counting 268989991) is 1, the average is 0.125.

Base conversion 268989991

Base System Value
2 Binary 10000000010000111011000100111
3 Ternary 200202011002220021
4 Quaternary 100002013120213
5 Quinary 1022330134431
6 Senary 42405220011
8 Octal 2002073047
10 Decimal 268989991
12 Duodecimal 76101607
16 Hexadecimal 10087627
20 Vigesimal 4413ejb
36 Base36 4g5e07

Cryptographic Hash Functions

md5 4847f5c260ed1c89a1d3fe48ed8659b8
sha1 2d01cb48bbd99186c78214f806242efeae6132c3
sha256 8b85b343892f08950ed8ac3ec8dc6784436e760d9530787e4d7af69d212f3fcc
sha512 c0aa46b353a20aac2f5bd26d0c427b6a12ebd5d5097ac90a03e5b3d5277fc9bbaeecf7f59244f11c6bb7a604ce92c01f0b52ab4b12703699b54f7956dc6896d7
ripemd-160 6bf4323061729f96512f9ef441e8eeb4bfe27370

268989991 as geometric shapes

Circle

Radius = n
Diameter 537979982
Circumference 1690113959.2296
Area 2.2731186934107E+17

Sphere

Radius = n
Volume 8.1526156917663E+25
Surface area 9.0924747736427E+17
Circumference 1690113959.2296

Square

Length = n
Perimeter 1075959964
Area 72355615258180081
Diagonal 380409293.41482

Cube

Length = n
Surface area 434133691549080486
Volume 1.9462936297097E+25
Space diagonal 465904331.1395

Equilateral Triangle

Length = n
Perimeter 806969973
Area 3.1330900460018E+16
Altitude 232952165.56975

Triangular Pyramid

Length = n
Surface area 3.1330900460018E+16
Volume 2.2937290395799E+24
Height 126803097.80494