129442890 (number)

129442890 is an even 9-digits composite number following 129442889 and preceding 129442891. In scientific notation, it is written as 1.29442890 × 10^8. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 34482560 positive integers (up to 129442890) that are relatively prime to 129442890.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million four hundred forty-two thousand eight hundred ninety

Notation

Scientific notation 1.29442890 × 10^8
Engineering notation 1.29442890 × 10^6

Prime Factorization of 129442890

Prime Factorization 2 × 3 × 5 × 1433 × 3011

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 129442890
Product of the distinct prime numbers

The prime factorization of 129442890 is 2 × 3 × 5 × 1433 × 3011. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129442890)

Multiplication

n×y
n×2 258885780
n×3 388328670
n×4 517771560
n×5 647214450

Division

n÷y
n÷2 64721445
n÷3 43147630
n÷3 32360722.5
n÷5 25888578

Exponentiation

ny
n2 16755461771552100
n3 2.1688753949942E+24
n4 2.8074549917794E+32
n5 3.6340508768086E+40

Nth Root

y√n
2√n 11377.29713069
3√n 505.8550231182
4√n 106.66441360965
5√n 41.919456199749

Divisors of 129442890

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 -129442889
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 129442890 can be divided by 32 positive divisors. The sum of these divisors (counting 129442890) is 1, the average is 0.03125.

Base conversion 129442890

Base System Value
2 Binary 111101101110010010001001010
3 Ternary 100000120101021010
4 Quaternary 13231302101022
5 Quinary 231114133030
6 Senary 20502224350
8 Octal 755622112
10 Decimal 129442890
12 Duodecimal 374250b6
16 Hexadecimal 7b7244a
20 Vigesimal 209074a
36 Base36 252eru

Cryptographic Hash Functions

md5 12f3744d1db7a30b105f71e82e0602b1
sha1 1b5574a992a0398047df793decebae306a80b837
sha256 37c24958fb5531de00d49e379fe37d5b5ea6102b22e0ed326d6de68cbb339c32
sha512 c1a56efb961f8d480372f243a4b186cc2b808af14905ba2fb992c2c3ff6adcb84d937f4a234544b498013d3ccafd57a0fd21f13d249efea27451f25a46de3b4d
ripemd-160 0f9ede252bb80e743cd486caa85db92952089160

129442890 as geometric shapes

Circle

Radius = n
Diameter 258885780
Circumference 813313664.56686
Area 5.2638835609013E+16

Sphere

Radius = n
Volume 9.084964009954E+24
Surface area 2.1055534243605E+17
Circumference 813313664.56686

Square

Length = n
Perimeter 517771560
Area 16755461771552100
Diagonal 183059890.59077

Cube

Length = n
Surface area 100532770629312600
Volume 2.1688753949942E+24
Space diagonal 224201662.15855

Equilateral Triangle

Length = n
Perimeter 388328670
Area 7.2553277731516E+15
Altitude 112100831.07927

Triangular Pyramid

Length = n
Surface area 7.2553277731516E+15
Volume 2.5560441655818E+23
Height 61019963.530256