129887 (number)

129887 is an odd 6-digits prime number following 129886 and preceding 129888. In scientific notation, it is written as 1.29887 × 10^5. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 129886 positive integers (up to 129887) that are relatively prime to 129887.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine thousand eight hundred eighty-seven

Notation

Scientific notation 1.29887 × 10^5
Engineering notation 1.29887 × 10^3

Prime Factorization of 129887

Prime Factorization 129887

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 129887
Product of the distinct prime numbers

The prime factorization of 129887 is 129887. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129887)

Multiplication

n×y
n×2 259774
n×3 389661
n×4 519548
n×5 649435

Division

n÷y
n÷2 64943.5
n÷3 43295.666666667
n÷3 32471.75
n÷5 25977.4

Exponentiation

ny
n2 16870632769
n3 2191275878467103
n4 2.8461825002646E+20
n5 3.6968210641186E+25

Nth Root

y√n
2√n 360.39839067343
3√n 50.643288114017
4√n 18.98416157415
5√n 10.53690676394

Divisors of 129887

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 129888
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 64944
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 360.39977802435
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999846021187
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129887 can be divided by 2 positive divisors. The sum of these divisors (counting 129887) is 129888, the average is 64944.

Base conversion 129887

Base System Value
2 Binary 11111101101011111
3 Ternary 20121011122
4 Quaternary 133231133
5 Quinary 13124022
6 Senary 2441155
8 Octal 375537
10 Decimal 129887
12 Duodecimal 631bb
16 Hexadecimal 1fb5f
20 Vigesimal g4e7
36 Base36 2s7z

Cryptographic Hash Functions

md5 200b721fa2752cdcc89a64f0d9163603
sha1 e9163e7a8a49f9d2bc8061392e8b932831be3728
sha256 1210bf154b9c7cc6aa0fde421e42cc2aebf10f21f5b305b0fc60b96d1a400519
sha512 f2657192f7f446109f0e09921d7cbf38a678bdd61c7b6f13c25622bbb4a6cdfce8fcb996ee0406782a367d40fbb1233dea29e5beff1935901a6afaa15517a6c9
ripemd-160 75c9e6c68c54babd8308028fd49c4499aad2c581

129887 as geometric shapes

Circle

Radius = n
Diameter 259774
Circumference 816104.08999363
Area 53000655968.502

Sphere

Radius = n
Volume 9.1787949357077E+15
Surface area 212002623874.01
Circumference 816104.08999363

Square

Length = n
Perimeter 519548
Area 16870632769
Diagonal 183687.95697595

Cube

Length = n
Surface area 101223796614
Volume 2191275878467103
Space diagonal 224970.8832427

Equilateral Triangle

Length = n
Perimeter 389661
Area 7305198277.9361
Altitude 112485.44162135

Triangular Pyramid

Length = n
Surface area 7305198277.9361
Volume 2.5824433885243E+14
Height 61229.318991985