129281009 (number)

129281009 is an odd 9-digits composite number following 129281008 and preceding 129281010. In scientific notation, it is written as 1.29281009 × 10^8. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 107679360 positive integers (up to 129281009) that are relatively prime to 129281009.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million two hundred eighty-one thousand nine

Notation

Scientific notation 1.29281009 × 10^8
Engineering notation 1.29281009 × 10^6

Prime Factorization of 129281009

Prime Factorization 13 × 11 × 137 × 6599

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129281009
Product of the distinct prime numbers

The prime factorization of 129281009 is 13 × 11 × 137 × 6599. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129281009)

Multiplication

n×y
n×2 258562018
n×3 387843027
n×4 517124036
n×5 646405045

Division

n÷y
n÷2 64640504.5
n÷3 43093669.666667
n÷3 32320252.25
n÷5 25856201.8

Exponentiation

ny
n2 16713579288058081
n3 2.1607483943617E+24
n4 2.793437326182E+32
n5 3.6113839610708E+40

Nth Root

y√n
2√n 11370.180693375
3√n 505.64406141613
4√n 106.63104938701
5√n 41.908966074501

Divisors of 129281009

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 -129281008
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 129281009 can be divided by 16 positive divisors. The sum of these divisors (counting 129281009) is 1, the average is 0.0625.

Base conversion 129281009

Base System Value
2 Binary 111101101001010101111110001
3 Ternary 100000021011012112
4 Quaternary 13231022233301
5 Quinary 231043443014
6 Senary 20454535105
8 Octal 755125761
10 Decimal 129281009
12 Duodecimal 37367495
16 Hexadecimal 7b4abf1
20 Vigesimal 20802a9
36 Base36 24yxv5

Cryptographic Hash Functions

md5 f3672448c60c259a94539f39f473dc97
sha1 f43d7ab6670107f2c4f623c1a2e464c65c6651cd
sha256 db7db49703b4bc5d1539d721ea9d51177506fc8fae641a97670f88e215457c4f
sha512 7046338d0f8f699680f4ae6be02036526602fe614577ff02086e9029bfc317131fb8f4594556aff21438d1484dff089403bae97f8dde8864b4ac426029e1129e
ripemd-160 f147c1acaf3f3e9ff145fa8d3b9402a68f41b9a9

129281009 as geometric shapes

Circle

Radius = n
Diameter 258562018
Circumference 812296536.24615
Area 5.2507257906554E+16

Sphere

Radius = n
Volume 9.05092170931E+24
Surface area 2.1002903162622E+17
Circumference 812296536.24615

Square

Length = n
Perimeter 517124036
Area 16713579288058081
Diagonal 182830956.28508

Cube

Length = n
Surface area 100281475728348486
Volume 2.1607483943617E+24
Space diagonal 223921276.04177

Equilateral Triangle

Length = n
Perimeter 387843027
Area 7.2371921258119E+15
Altitude 111960638.02088

Triangular Pyramid

Length = n
Surface area 7.2371921258119E+15
Volume 2.5464664034851E+23
Height 60943652.095026