129123870 (number)

129123870 is an even 9-digits composite number following 129123869 and preceding 129123871. In scientific notation, it is written as 1.29123870 × 10^8. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 33701888 positive integers (up to 129123870) that are relatively prime to 129123870.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred twenty-three thousand eight hundred seventy

Notation

Scientific notation 1.29123870 × 10^8
Engineering notation 1.29123870 × 10^6

Prime Factorization of 129123870

Prime Factorization 2 × 15 × 89 × 137 × 353

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 129123870
Product of the distinct prime numbers

The prime factorization of 129123870 is 2 × 15 × 89 × 137 × 353. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129123870)

Multiplication

n×y
n×2 258247740
n×3 387371610
n×4 516495480
n×5 645619350

Division

n÷y
n÷2 64561935
n÷3 43041290
n÷3 32280967.5
n÷5 25824774

Exponentiation

ny
n2 16672973803776900
n3 2.1528789019523E+24
n4 2.7798805546143E+32
n5 3.5894893534955E+40

Nth Root

y√n
2√n 11363.268455863
3√n 505.43911093088
4√n 106.59863252342
5√n 41.898773181899

Divisors of 129123870

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129123869
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129123870 can be divided by 32 positive divisors. The sum of these divisors (counting 129123870) is 1, the average is 0.03125.

Base conversion 129123870

Base System Value
2 Binary 111101100100100011000011110
3 Ternary 22222222011122120
4 Quaternary 13230210120132
5 Quinary 231023430440
6 Senary 20451323410
8 Octal 754443036
10 Decimal 129123870
12 Duodecimal 372b0566
16 Hexadecimal 7b2461e
20 Vigesimal 20709da
36 Base36 24vkm6

Cryptographic Hash Functions

md5 4730fefacd06f8e3fdda4e2264f8c438
sha1 51aa1145fdd0b491cc433cb9645fb1c933cf2736
sha256 09da53c9b86203e7c1fe0463f130ded33025b7eed894f60e622312f37dd64b53
sha512 8d9786fb0ae0af73e9b43e1287f9503acb24c4f76c19032f614163a777835b9e225ec8f9c1aeb98bc54cad6ec785c74ee92fc1dd3ce6c0a3fc69e9dd26dbf33f
ripemd-160 2236c06befe4b81a20e499a92181e697d9ad0e70

129123870 as geometric shapes

Circle

Radius = n
Diameter 258247740
Circumference 811309202.79017
Area 5.2379692015441E+16

Sphere

Radius = n
Volume 9.017958056589E+24
Surface area 2.0951876806176E+17
Circumference 811309202.79017

Square

Length = n
Perimeter 516495480
Area 16672973803776900
Diagonal 182608728.1801

Cube

Length = n
Surface area 100037842822661400
Volume 2.1528789019523E+24
Space diagonal 223649103.30992

Equilateral Triangle

Length = n
Perimeter 387371610
Area 7.2196094353516E+15
Altitude 111824551.65496

Triangular Pyramid

Length = n
Surface area 7.2196094353516E+15
Volume 2.5371921177399E+23
Height 60869576.060033