287989964 (number)

287989964 is an even 9-digits composite number following 287989963 and preceding 287989965. In scientific notation, it is written as 2.87989964 × 10^8. The sum of its digits is 62. It has a total of 4 prime factors and 12 positive divisors. There are 142022304 positive integers (up to 287989964) that are relatively prime to 287989964.

Interesting facts

Basic properties

Name

Name two hundred eighty-seven million nine hundred eighty-nine thousand nine hundred sixty-four

Notation

Scientific notation 2.87989964 × 10^8
Engineering notation 2.87989964 × 10^6

Prime Factorization of 287989964

Prime Factorization 2 × 2 × 73 × 986267

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 143994982
Product of the distinct prime numbers

The prime factorization of 287989964 is 2 × 2 × 73 × 986267. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 8, 24, 11, 929, 255, 5659, 8220, 58644, 11036, 410997, 739309, 9455804, 9977442, 36673426, 80184890, 493974308, 340771826, 4418008825, 5698743867

Basic calculations (n = 287989964)

Multiplication

n×y
n×2 575979928
n×3 863969892
n×4 1151959856
n×5 1439949820

Division

n÷y
n÷2 143994982
n÷3 95996654.666667
n÷3 71997491
n÷5 57597992.8

Exponentiation

ny
n2 82938219364721296
n3 2.388537480907E+25
n4 6.8787482313906E+33
n5 1.9810104555233E+42

Nth Root

y√n
2√n 16970.267057415
3√n 660.37777882365
4√n 130.26997757509
5√n 49.189846883914

Divisors of 287989964

1, 2, 4, 73, 146, 292, 986267, 1972534, 3945068, 71997491, 143994982, 287989964

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 -287989963
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 287989964 can be divided by 12 positive divisors. The sum of these divisors (counting 287989964) is 1, the average is 0.083333333333333.

Base conversion 287989964

Base System Value
2 Binary 10001001010100110000011001100
3 Ternary 202001220101221222
4 Quaternary 101022212003030
5 Quinary 1042211134324
6 Senary 44324342512
8 Octal 2112460314
10 Decimal 287989964
12 Duodecimal 80544a38
16 Hexadecimal 112a60cc
20 Vigesimal 49jiei4
36 Base36 4rgmh8

Cryptographic Hash Functions

md5 75ef7d616eeb9f99beabf3f54074605f
sha1 88b8b8f9b123139ecea8ab2e28122de4ce804ec1
sha256 38592624c21ea577f795deffd13eb737d701793100a81543eb1da2ca9e3a1f9c
sha512 70f36ede9b7f362c773f0d538a457b9a1d702fbf2dad7691601a3202d4ef2d0d1e8575e74dd8350695b9397cf3286d207b4b72e1d1ec711f7dab3ccb3ead6bf3
ripemd-160 c5bb11f3bbd17fa9f1a4aef15907a0ccdf3475a8

287989964 as geometric shapes

Circle

Radius = n
Diameter 575979928
Circumference 1809494310.42
Area 2.6055810065803E+17

Sphere

Radius = n
Volume 1.0005082403788E+26
Surface area 1.0422324026321E+18
Circumference 1809494310.42

Square

Length = n
Perimeter 1151959856
Area 82938219364721296
Diagonal 407279312.91614

Cube

Length = n
Surface area 497629316188327776
Volume 2.388537480907E+25
Space diagonal 498813249.71793

Equilateral Triangle

Length = n
Perimeter 863969892
Area 3.5913302457248E+16
Altitude 249406624.85897

Triangular Pyramid

Length = n
Surface area 3.5913302457248E+16
Volume 2.814918416446E+24
Height 135759770.97205