129249905 (number)

129249905 is an odd 9-digits composite number following 129249904 and preceding 129249906. In scientific notation, it is written as 1.29249905 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 103399920 positive integers (up to 129249905) that are relatively prime to 129249905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29249905 × 10^8
Engineering notation 1.29249905 × 10^6

Prime Factorization of 129249905

Prime Factorization 5 × 25849981

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129249905
Product of the distinct prime numbers

The prime factorization of 129249905 is 5 × 25849981. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129249905)

Multiplication

n×y
n×2 258499810
n×3 387749715
n×4 516999620
n×5 646249525

Division

n÷y
n÷2 64624952.5
n÷3 43083301.666667
n÷3 32312476.25
n÷5 25849981

Exponentiation

ny
n2 16705537942509025
n3 2.1591891920432E+24
n4 2.7907499794861E+32
n5 3.6070416972733E+40

Nth Root

y√n
2√n 11368.812822806
3√n 505.60350682763
4√n 106.62463515908
5√n 41.906949286486

Divisors of 129249905

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129249904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129249905 can be divided by 4 positive divisors. The sum of these divisors (counting 129249905) is 1, the average is 0.25.

Base conversion 129249905

Base System Value
2 Binary 111101101000011001001110001
3 Ternary 100000012120112112
4 Quaternary 13231003021301
5 Quinary 231041444110
6 Senary 20454135105
8 Octal 755031161
10 Decimal 129249905
12 Duodecimal 37351495
16 Hexadecimal 7b43271
20 Vigesimal 207g4f5
36 Base36 24y9v5

Cryptographic Hash Functions

md5 d0df6023214ed06bd77e1e1fbd25b717
sha1 0353dfbf4dc6a96ad3a9be24134e3439bf2cc974
sha256 568b3620711891d5ee4111e0bcd1f2d81dafcdef2ea29fb3fecd5887bab26ffd
sha512 76c50ee3e75b9ab6db728a21e5fa77360f7eae90c7b38993fa3e93bbe810565ec9cb13f221fce0cbcffd5e33fc8d2af5b9d21551d704aa6d07df978a348189df
ripemd-160 8022ca96bd51676c53880ef6f3cdf3dc4b5eb3ee

129249905 as geometric shapes

Circle

Radius = n
Diameter 258499810
Circumference 812101104.05036
Area 5.2481995274452E+16

Sphere

Radius = n
Volume 9.0443905379111E+24
Surface area 2.0992798109781E+17
Circumference 812101104.05036

Square

Length = n
Perimeter 516999620
Area 16705537942509025
Diagonal 182786968.58643

Cube

Length = n
Surface area 100233227655054150
Volume 2.1591891920432E+24
Space diagonal 223867402.33345

Equilateral Triangle

Length = n
Perimeter 387749715
Area 7.2337101210488E+15
Altitude 111933701.16673

Triangular Pyramid

Length = n
Surface area 7.2337101210488E+15
Volume 2.5446288659307E+23
Height 60928989.528811