129042981 (number)

129042981 is an odd 9-digits composite number following 129042980 and preceding 129042982. In scientific notation, it is written as 1.29042981 × 10^8. The sum of its digits is 36. It has a total of 3 prime factors and 6 positive divisors. There are 86028648 positive integers (up to 129042981) that are relatively prime to 129042981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29042981 × 10^8
Engineering notation 1.29042981 × 10^6

Prime Factorization of 129042981

Prime Factorization 3 × 3 × 14338109

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 43014327
Product of the distinct prime numbers

The prime factorization of 129042981 is 3 × 3 × 14338109. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 5, 12, 14, 63, 948, 2604, 1631, 25400, 69556, 178086, 634585, 9865760, 1264534, 37672945, 72267424, 503566974, 734316587, 2053811739, 4964744926

Basic calculations (n = 129042981)

Multiplication

n×y
n×2 258085962
n×3 387128943
n×4 516171924
n×5 645214905

Division

n÷y
n÷2 64521490.5
n÷3 43014327
n÷3 32260745.25
n÷5 25808596.2

Exponentiation

ny
n2 16652090945366361
n3 2.1488354554732E+24
n4 2.7729213285275E+32
n5 3.5782603431167E+40

Nth Root

y√n
2√n 11359.708667039
3√n 505.33354561982
4√n 106.58193405563
5√n 41.893522410791

Divisors of 129042981

1, 3, 9, 14338109, 43014327, 129042981

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129042980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129042981 can be divided by 6 positive divisors. The sum of these divisors (counting 129042981) is 1, the average is 0.16666666666667.

Base conversion 129042981

Base System Value
2 Binary 111101100010000101000100101
3 Ternary 22222211001200200
4 Quaternary 13230100220211
5 Quinary 231013333411
6 Senary 20445501113
8 Octal 754205045
10 Decimal 129042981
12 Duodecimal 37271799
16 Hexadecimal 7b10a25
20 Vigesimal 206a791
36 Base36 24tu79

Cryptographic Hash Functions

md5 f14085b5709bcea889ff0d3bf1533c78
sha1 34542cd3fd076ff3b7e0a81582062d958ab195ae
sha256 8d421d8325e59836d78cbb58b31b5152c07adf57b137e9aea3c8a6bda88917a9
sha512 9010b28e3549138572b539e0c4042fcc02b2af67f5c41d4b8d4cca76eedf684a42d147fa4c8d645c8fb1aa07739ee56847dcb7b9ea2ea08bd8dc8550ee860904
ripemd-160 8984c18fa2d8d8ca2ad5cda8a650a39cd66ec943

129042981 as geometric shapes

Circle

Radius = n
Diameter 258085962
Circumference 810800962.21385
Area 5.2314086580872E+16

Sphere

Radius = n
Volume 9.0010209075838E+24
Surface area 2.0925634632349E+17
Circumference 810800962.21385

Square

Length = n
Perimeter 516171924
Area 16652090945366361
Diagonal 182494333.85925

Cube

Length = n
Surface area 99912545672198166
Volume 2.1488354554732E+24
Space diagonal 223508999.45215

Equilateral Triangle

Length = n
Perimeter 387128943
Area 7.210566892408E+15
Altitude 111754499.72607

Triangular Pyramid

Length = n
Surface area 7.210566892408E+15
Volume 2.5324268703653E+23
Height 60831444.619751