487991 (number)

487991 is an odd 6-digits composite number following 487990 and preceding 487992. In scientific notation, it is written as 4.87991 × 10^5. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 399168 positive integers (up to 487991) that are relatively prime to 487991.

Interesting facts

Basic properties

Name

Name four hundred eighty-seven thousand nine hundred ninety-one

Notation

Scientific notation 4.87991 × 10^5
Engineering notation 4.87991 × 10^3

Prime Factorization of 487991

Prime Factorization 7 × 7 × 23 × 433

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 69713
Product of the distinct prime numbers

The prime factorization of 487991 is 7 × 7 × 23 × 433. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 487991)

Multiplication

n×y
n×2 975982
n×3 1463973
n×4 1951964
n×5 2439955

Division

n÷y
n÷2 243995.5
n÷3 162663.66666667
n÷3 121997.75
n÷5 97598.2

Exponentiation

ny
n2 238135216081
n3 116207842230583271
n4 5.6708381137945E+22
n5 2.7673179619887E+28

Nth Root

y√n
2√n 698.56352610196
3√n 78.729459663513
4√n 26.430352364317
5√n 13.73037385416

Divisors of 487991

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -487990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 487991 can be divided by 12 positive divisors. The sum of these divisors (counting 487991) is 1, the average is 0.083333333333333.

Base conversion 487991

Base System Value
2 Binary 1110111001000110111
3 Ternary 220210101202
4 Quaternary 1313020313
5 Quinary 111103431
6 Senary 14243115
8 Octal 1671067
10 Decimal 487991
12 Duodecimal 1b649b
16 Hexadecimal 77237
20 Vigesimal 30jjb
36 Base36 agjb

Cryptographic Hash Functions

md5 842d7e572b5c4571ae7e6e95241a921b
sha1 f46bf4ce02a425e4312c16b72b98282e7f4e8f3d
sha256 ebb987b9c028073e4bddb0ec75a30c070917714b917d703a6e739f10e44014e3
sha512 e5ed376f615dc36270f4577d8d0f62111540c806de7455a5a124052b498ab24c7fcd9160dc48e7e2d6f1b03bba58d3d2c7d3cc7cde4c14d97f2ab0fff3de0cd8
ripemd-160 f071faea854517d26b36b40b223497d8042a497b

487991 as geometric shapes

Circle

Radius = n
Diameter 975982
Circumference 3066137.8812359
Area 748123845401.09

Sphere

Radius = n
Volume 4.8677027125483E+17
Surface area 2992495381604.4
Circumference 3066137.8812359

Square

Length = n
Perimeter 1951964
Area 238135216081
Diagonal 690123.49051601

Cube

Length = n
Surface area 1428811296486
Volume 116207842230583271
Space diagonal 845225.20563634

Equilateral Triangle

Length = n
Perimeter 1463973
Area 103115573330.92
Altitude 422612.60281817

Triangular Pyramid

Length = n
Surface area 103115573330.92
Volume 1.3695225544717E+16
Height 230041.16350534