287897013 (number)

287897013 is an odd 9-digits composite number following 287897012 and preceding 287897014. In scientific notation, it is written as 2.87897013 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 190169856 positive integers (up to 287897013) that are relatively prime to 287897013.

Interesting facts

Basic properties

Name

Name two hundred eighty-seven million eight hundred ninety-seven thousand thirteen

Notation

Scientific notation 2.87897013 × 10^8
Engineering notation 2.87897013 × 10^6

Prime Factorization of 287897013

Prime Factorization 9 × 109 × 293473

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 287897013
Product of the distinct prime numbers

The prime factorization of 287897013 is 9 × 109 × 293473. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 10, 45, 75, 457, 173, 8479, 9167, 30127, 24916, 294681, 89047, 5310948, 5491343, 82589434, 52633172, 147467210, 847237508, 294142946, 1078805141

Basic calculations (n = 287897013)

Multiplication

n×y
n×2 575794026
n×3 863691039
n×4 1151588052
n×5 1439485065

Division

n÷y
n÷2 143948506.5
n÷3 95965671
n÷3 71974253.25
n÷5 57579402.6

Exponentiation

ny
n2 82884690094322169
n3 2.3862254701586E+25
n4 6.8698718520318E+33
n5 1.9778155858927E+42

Nth Root

y√n
2√n 16967.528193582
3√n 660.3067238244
4√n 130.25946489059
5√n 49.18667119279

Divisors of 287897013

1, 9, 109, 981, 293473, 2641257, 31988557, 287897013

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 -287897012
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 287897013 can be divided by 8 positive divisors. The sum of these divisors (counting 287897013) is 1, the average is 0.125.

Base conversion 287897013

Base System Value
2 Binary 10001001010001111010110110101
3 Ternary 202001201200110100
4 Quaternary 101022033112311
5 Quinary 1042200201023
6 Senary 44322344313
8 Octal 2112172665
10 Decimal 287897013
12 Duodecimal 804bb099
16 Hexadecimal 1128f5b5
20 Vigesimal 49j72ad
36 Base36 4remr9

Cryptographic Hash Functions

md5 2642a1d8189ea449d3263268cdb2ab94
sha1 70a74edad3d4bc20a57aea4ee7a648b5249012c9
sha256 d3f0f73828d660e8138effe809d348b5d8c1d32ca2434c5bf23391d03f081535
sha512 24abbc840e890408fefa57af1937edd3ea3bbb1df354f38d821abb07527139bcb69502877f1218c638bc3245b79306f3afe9725b0cbbb35546ff19e2dbe53789
ripemd-160 a4a129e2efb3cf502e03cc99b63207ca051bcc5d

287897013 as geometric shapes

Circle

Radius = n
Diameter 575794026
Circumference 1808910282.0625
Area 2.6038993349539E+17

Sphere

Radius = n
Volume 9.9953978758122E+25
Surface area 1.0415597339816E+18
Circumference 1808910282.0625

Square

Length = n
Perimeter 1151588052
Area 82884690094322169
Diagonal 407147860.3513

Cube

Length = n
Surface area 497308140565933014
Volume 2.3862254701586E+25
Space diagonal 498652253.86332

Equilateral Triangle

Length = n
Perimeter 863691039
Area 3.5890123603242E+16
Altitude 249326126.93166

Triangular Pyramid

Length = n
Surface area 3.5890123603242E+16
Volume 2.8121936856487E+24
Height 135715953.45043