129870 (number)

129870 is an even 6-digits composite number following 129869 and preceding 129871. In scientific notation, it is written as 1.29870 × 10^5. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 31104 positive integers (up to 129870) that are relatively prime to 129870.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine thousand eight hundred seventy

Notation

Scientific notation 1.29870 × 10^5
Engineering notation 1.29870 × 10^3

Prime Factorization of 129870

Prime Factorization 2 × 135 × 13 × 37

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129870
Product of the distinct prime numbers

The prime factorization of 129870 is 2 × 135 × 13 × 37. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 36, 29, 192, 745, 2156, 6640, 37939, 87713, 707715, 564450, 4884717, 466966, 5009686, 28718163, 956745439, 838520035, 6825763898, 6295920952

Basic calculations (n = 129870)

Multiplication

n×y
n×2 259740
n×3 389610
n×4 519480
n×5 649350

Division

n÷y
n÷2 64935
n÷3 43290
n÷3 32467.5
n÷5 25974

Exponentiation

ny
n2 16866216900
n3 2190415588803000
n4 2.8446927251785E+20
n5 3.6944024421893E+25

Nth Root

y√n
2√n 360.37480489069
3√n 50.641078569153
4√n 18.983540367663
5√n 10.536630929108

Divisors of 129870

1, 2, 13, 26, 37, 74, 135, 270, 481, 962, 1755, 3510, 4995, 9990, 64935, 129870

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129869
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129870 can be divided by 16 positive divisors. The sum of these divisors (counting 129870) is 1, the average is 0.0625.

Base conversion 129870

Base System Value
2 Binary 11111101101001110
3 Ternary 20121011000
4 Quaternary 133231032
5 Quinary 13123440
6 Senary 2441130
8 Octal 375516
10 Decimal 129870
12 Duodecimal 631a6
16 Hexadecimal 1fb4e
20 Vigesimal g4da
36 Base36 2s7i

Cryptographic Hash Functions

md5 45cb486a10c189d465741dad3e5bf794
sha1 ff617afae1a6022a4b54e3eee6eb555a9bc8b403
sha256 1d091600d5ab64001372689a293d8f13283390c1ff5f0400cda4fcbe9a7a7dde
sha512 5cda5043899963bcab2fd9227e35e002b93b315b2e4daac553007fb33f6ba07a28fe20f5b9c675cb87911cdbb24adf905bf6242c1c165eec854f4c456e7d82ff
ripemd-160 dfe740a1d3dfb59300c5d673016bb35b482c93f5

129870 as geometric shapes

Circle

Radius = n
Diameter 259740
Circumference 815997.27584341
Area 52986783106.892

Sphere

Radius = n
Volume 9.1751913627894E+15
Surface area 211947132427.57
Circumference 815997.27584341

Square

Length = n
Perimeter 519480
Area 16866216900
Diagonal 183663.91534539

Cube

Length = n
Surface area 101197301400
Volume 2190415588803000
Space diagonal 224941.43837897

Equilateral Triangle

Length = n
Perimeter 389610
Area 7303286150.5692
Altitude 112470.71918949

Triangular Pyramid

Length = n
Surface area 7303286150.5692
Volume 2.5814295274322E+14
Height 61221.305115131