129485840 (number)

129485840 is an even 9-digits composite number following 129485839 and preceding 129485841. In scientific notation, it is written as 1.29485840 × 10^8. The sum of its digits is 41. It has a total of 8 prime factors and 80 positive divisors. There are 46824960 positive integers (up to 129485840) that are relatively prime to 129485840.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million four hundred eighty-five thousand eight hundred forty

Notation

Scientific notation 1.29485840 × 10^8
Engineering notation 1.29485840 × 10^6

Prime Factorization of 129485840

Prime Factorization 2 × 2 × 2 × 2 × 11 × 5 × 547 × 269

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 16185730
Product of the distinct prime numbers

The prime factorization of 129485840 is 2 × 2 × 2 × 2 × 11 × 5 × 547 × 269. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129485840)

Multiplication

n×y
n×2 258971680
n×3 388457520
n×4 517943360
n×5 647429200

Division

n÷y
n÷2 64742920
n÷3 43161946.666667
n÷3 32371460
n÷5 25897168

Exponentiation

ny
n2 16766582760505600
n3 2.1710350526736E+24
n4 2.8111829746488E+32
n5 3.640083888661E+40

Nth Root

y√n
2√n 11379.184505051
3√n 505.91096560293
4√n 106.67326049696
5√n 41.922237660719

Divisors of 129485840

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129485839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129485840 can be divided by 80 positive divisors. The sum of these divisors (counting 129485840) is 1, the average is 0.0125.

Base conversion 129485840

Base System Value
2 Binary 111101101111100110000010000
3 Ternary 100000122120011212
4 Quaternary 13231330300100
5 Quinary 231122021330
6 Senary 20503155252
8 Octal 755746020
10 Decimal 129485840
12 Duodecimal 37445b28
16 Hexadecimal 7b7cc10
20 Vigesimal 2095ec0
36 Base36 253bww

Cryptographic Hash Functions

md5 c91741c3d5407ad2dd48ca718260b9d8
sha1 29d2dfa54510af306052e18e494ecfac34d02762
sha256 b2ebf203748ec7891383ef5e596653ad7f80734c246a744464b84b0f71820e41
sha512 dbe663c9915b8038c5664d50f0c01c279cf77803ad8358bf326197b77673db177849ad52c20b47ef6a363c18c031fb53fecef1c02d731be093e04b6a51816fc0
ripemd-160 417f2ee9dfa7c797aa33bc7d64bac9a57acab82f

129485840 as geometric shapes

Circle

Radius = n
Diameter 258971680
Circumference 813583527.37581
Area 5.267377322621E+16

Sphere

Radius = n
Volume 9.094010362887E+24
Surface area 2.1069509290484E+17
Circumference 813583527.37581

Square

Length = n
Perimeter 517943360
Area 16766582760505600
Diagonal 183120631.06327

Cube

Length = n
Surface area 100599496563033600
Volume 2.1710350526736E+24
Space diagonal 224276053.74073

Equilateral Triangle

Length = n
Perimeter 388457520
Area 7.260143302626E+15
Altitude 112138026.87037

Triangular Pyramid

Length = n
Surface area 7.260143302626E+15
Volume 2.5585893465653E+23
Height 61040210.354424