129123750 (number)

129123750 is an even 9-digits composite number following 129123749 and preceding 129123751. In scientific notation, it is written as 1.29123750 × 10^8. The sum of its digits is 30. It has a total of 6 prime factors and 64 positive divisors. There are 29508000 positive integers (up to 129123750) that are relatively prime to 129123750.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred twenty-three thousand seven hundred fifty

Notation

Scientific notation 1.29123750 × 10^8
Engineering notation 1.29123750 × 10^6

Prime Factorization of 129123750

Prime Factorization 2 × 7 × 15 × 25 × 5 × 4919

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 129123750
Product of the distinct prime numbers

The prime factorization of 129123750 is 2 × 7 × 15 × 25 × 5 × 4919. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129123750)

Multiplication

n×y
n×2 258247500
n×3 387371250
n×4 516495000
n×5 645618750

Division

n÷y
n÷2 64561875
n÷3 43041250
n÷3 32280937.5
n÷5 25824750

Exponentiation

ny
n2 16672942814062500
n3 2.1528728996873E+24
n4 2.77987022081E+32
n5 3.5894726742431E+40

Nth Root

y√n
2√n 11363.26317569
3√n 505.43895435587
4√n 106.59860775681
5√n 41.898765394253

Divisors of 129123750

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129123749
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129123750 can be divided by 64 positive divisors. The sum of these divisors (counting 129123750) is 1, the average is 0.015625.

Base conversion 129123750

Base System Value
2 Binary 111101100100100010110100110
3 Ternary 22222222011111010
4 Quaternary 13230210112212
5 Quinary 231023430000
6 Senary 20451323050
8 Octal 754442646
10 Decimal 129123750
12 Duodecimal 372b0486
16 Hexadecimal 7b245a6
20 Vigesimal 207097a
36 Base36 24vkiu

Cryptographic Hash Functions

md5 b060500fb2e7f691ddfa6e68d81dbde9
sha1 6a92479d2432f2943eb36307ff647de6f123279e
sha256 5acfb8bc286f7a35439d06efd11c14531b85f998c151bdfb749df755b63e2143
sha512 2ba1458e0716f5cee08ff072f86ee3cbeeb1ab0a46111a5d6ca654a9f879e554c6e389d9f660cf95c211d023e58275175e201dcba9b46b44f31a8fe081466dd0
ripemd-160 b79c4abb32bacea0bb97e41015d19b4ef2e5bc9c

129123750 as geometric shapes

Circle

Radius = n
Diameter 258247500
Circumference 811308448.80793
Area 5.2379594658381E+16

Sphere

Radius = n
Volume 9.0179329143602E+24
Surface area 2.0951837863353E+17
Circumference 811308448.80793

Square

Length = n
Perimeter 516495000
Area 16672942814062500
Diagonal 182608558.47447

Cube

Length = n
Surface area 100037656884375000
Volume 2.1528728996873E+24
Space diagonal 223648895.46382

Equilateral Triangle

Length = n
Perimeter 387371250
Area 7.2195960164117E+15
Altitude 111824447.73191

Triangular Pyramid

Length = n
Surface area 7.2195960164117E+15
Volume 2.5371850440027E+23
Height 60869519.491491