287132021 (number)

287132021 is an odd 9-digits composite number following 287132020 and preceding 287132022. In scientific notation, it is written as 2.87132021 × 10^8. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 260914240 positive integers (up to 287132021) that are relatively prime to 287132021.

Interesting facts

Basic properties

Name

Name two hundred eighty-seven million one hundred thirty-two thousand twenty-one

Notation

Scientific notation 2.87132021 × 10^8
Engineering notation 2.87132021 × 10^6

Prime Factorization of 287132021

Prime Factorization 11 × 3119 × 8369

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 287132021
Product of the distinct prime numbers

The prime factorization of 287132021 is 11 × 3119 × 8369. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 287132021)

Multiplication

n×y
n×2 574264042
n×3 861396063
n×4 1148528084
n×5 1435660105

Division

n÷y
n÷2 143566010.5
n÷3 95710673.666667
n÷3 71783005.25
n÷5 57426404.2

Exponentiation

ny
n2 82444797483544441
n3 2.3672541322386E+25
n4 6.7971446321027E+33
n5 1.9516778752449E+42

Nth Root

y√n
2√n 16944.970374716
3√n 659.72135543994
4√n 130.17284807023
5√n 49.160503872425

Divisors of 287132021

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 -287132020
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 287132021 can be divided by 8 positive divisors. The sum of these divisors (counting 287132021) is 1, the average is 0.125.

Base conversion 287132021

Base System Value
2 Binary 10001000111010100100101110101
3 Ternary 202000021211002022
4 Quaternary 101013110211311
5 Quinary 1042001211041
6 Senary 44254122525
8 Octal 2107244565
10 Decimal 287132021
12 Duodecimal 801b0445
16 Hexadecimal 111d4975
20 Vigesimal 49eba11
36 Base36 4qy8hh

Cryptographic Hash Functions

md5 35da886aa08b5e840d97f22cf4b7560d
sha1 2585ae28184cb6a14aeba0de0803c5a0ec19c4c4
sha256 addcb8e16d68be96ce2b67f444e8c5215dd29bafad25639cb85bbe81cb61eaf8
sha512 b92cfa105f64172f19e1bae06c30ff5a80012a5b31b8f4ab7089d3b613ed99c70a32e1d3ac6000a02bdd486edc8db1f164230f7868757debf55411eb12846908
ripemd-160 99ee704fc66aac4b3fef6e2e91a3a611a0f98149

287132021 as geometric shapes

Circle

Radius = n
Diameter 574264042
Circumference 1804103695.568
Area 2.59007970101E+17

Sphere

Radius = n
Volume 9.9159309213611E+25
Surface area 1.036031880404E+18
Circumference 1804103695.568

Square

Length = n
Perimeter 1148528084
Area 82444797483544441
Diagonal 406065998.2898

Cube

Length = n
Surface area 494668784901266646
Volume 2.3672541322386E+25
Space diagonal 497327248.85193

Equilateral Triangle

Length = n
Perimeter 861396063
Area 3.5699644515306E+16
Altitude 248663624.42597

Triangular Pyramid

Length = n
Surface area 3.5699644515306E+16
Volume 2.7898357494963E+24
Height 135355332.76327