129087890 (number)

129087890 is an even 9-digits composite number following 129087889 and preceding 129087891. In scientific notation, it is written as 1.29087890 × 10^8. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 51604224 positive integers (up to 129087890) that are relatively prime to 129087890.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million eighty-seven thousand eight hundred ninety

Notation

Scientific notation 1.29087890 × 10^8
Engineering notation 1.29087890 × 10^6

Prime Factorization of 129087890

Prime Factorization 2 × 5 × 2437 × 5297

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129087890
Product of the distinct prime numbers

The prime factorization of 129087890 is 2 × 5 × 2437 × 5297. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129087890)

Multiplication

n×y
n×2 258175780
n×3 387263670
n×4 516351560
n×5 645439450

Division

n÷y
n÷2 64543945
n÷3 43029296.666667
n÷3 32271972.5
n÷5 25817578

Exponentiation

ny
n2 16663683344652100
n3 2.1510797225893E+24
n4 2.7767834261084E+32
n5 3.584491134633E+40

Nth Root

y√n
2√n 11361.685174304
3√n 505.39216017833
4√n 106.59120589572
5√n 41.896437926746

Divisors of 129087890

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 -129087889
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 129087890 can be divided by 16 positive divisors. The sum of these divisors (counting 129087890) is 1, the average is 0.0625.

Base conversion 129087890

Base System Value
2 Binary 111101100011011100110010010
3 Ternary 22222220100021222
4 Quaternary 13230123212102
5 Quinary 231021303030
6 Senary 20450445042
8 Octal 754334622
10 Decimal 129087890
12 Duodecimal 37293782
16 Hexadecimal 7b1b992
20 Vigesimal 206fjea
36 Base36 24usuq

Cryptographic Hash Functions

md5 f62b2201179536869c64e752632e3a60
sha1 aab21682238bd2aecad4147b99c6a616272fdd66
sha256 a86af06c2205db0217780472ffa8dd2fafe90469bbecc292df6064dabe03b19b
sha512 942c8ff2567501614b85611c189c67c204d18f1eb3a0267a6c639e57fd8820c55752d5ef501b6336c89e447238354687d9dbb114f5fe7334564055225e963817
ripemd-160 6318ba2eed4b913a44318a26d56f9ac576e0fe95

129087890 as geometric shapes

Circle

Radius = n
Diameter 258175780
Circumference 811083133.78281
Area 5.2350505177306E+16

Sphere

Radius = n
Volume 9.0104216716966E+24
Surface area 2.0940202070922E+17
Circumference 811083133.78281

Square

Length = n
Perimeter 516351560
Area 16663683344652100
Diagonal 182557844.77613

Cube

Length = n
Surface area 99982100067912600
Volume 2.1510797225893E+24
Space diagonal 223586784.12186

Equilateral Triangle

Length = n
Perimeter 387263670
Area 7.2155865485442E+15
Altitude 111793392.06093

Triangular Pyramid

Length = n
Surface area 7.2155865485442E+15
Volume 2.5350717645263E+23
Height 60852614.925375