129449905 (number)

129449905 is an odd 9-digits composite number following 129449904 and preceding 129449906. In scientific notation, it is written as 1.29449905 × 10^8. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 95431680 positive integers (up to 129449905) that are relatively prime to 129449905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29449905 × 10^8
Engineering notation 1.29449905 × 10^6

Prime Factorization of 129449905

Prime Factorization 5 × 13 × 2617 × 761

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129449905
Product of the distinct prime numbers

The prime factorization of 129449905 is 5 × 13 × 2617 × 761. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 4, 62, 10, 691, 230, 1727, 2760, 5082, 13032, 228687, 273205, 6161339, 6216185, 94566494, 81191388, 6120713, 140873196, 1450644979, 2410180280

Basic calculations (n = 129449905)

Multiplication

n×y
n×2 258899810
n×3 388349715
n×4 517799620
n×5 647249525

Division

n÷y
n÷2 64724952.5
n÷3 43149968.333333
n÷3 32362476.25
n÷5 25889981

Exponentiation

ny
n2 16757277904509025
n3 2.1692280327973E+24
n4 2.8080636276895E+32
n5 3.6350356983836E+40

Nth Root

y√n
2√n 11377.605415904
3√n 505.86416101905
4√n 106.66585871732
5√n 41.91991054469

Divisors of 129449905

1, 5, 13, 65, 761, 2617, 3805, 9893, 13085, 34021, 49465, 170105, 1991537, 9957685, 25889981, 129449905

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 -129449904
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 129449905 can be divided by 16 positive divisors. The sum of these divisors (counting 129449905) is 1, the average is 0.0625.

Base conversion 129449905

Base System Value
2 Binary 111101101110011111110110001
3 Ternary 100000120201212221
4 Quaternary 13231303332301
5 Quinary 231114344110
6 Senary 20502321041
8 Octal 755637661
10 Decimal 129449905
12 Duodecimal 37429181
16 Hexadecimal 7b73fb1
20 Vigesimal 20914f5
36 Base36 252k6p

Cryptographic Hash Functions

md5 b5dc9437f24d3ac07021c49da6f9a7ca
sha1 e807b968fb4a8c11c25dc8d5ed230b9f23c06ab5
sha256 fec1f1d7e6ce3a4579b1e3a32a2aa056d69d1fc177d38efc529877c3bfb33df1
sha512 1b22f74eb0c82eadeb809708a48aa0e1166f55850fe9e8ed16d120abac39f2e436e493fe9abc8e31f7e8b75cfa400d34cf3f6607f8c5424ccf8c7b7a032ce9c3
ripemd-160 9619ebcea4cd82e25285e42059e5152833fa9321

129449905 as geometric shapes

Circle

Radius = n
Diameter 258899810
Circumference 813357741.11179
Area 5.2644541158968E+16

Sphere

Radius = n
Volume 9.0864411357293E+24
Surface area 2.1057816463587E+17
Circumference 813357741.11179

Square

Length = n
Perimeter 517799620
Area 16757277904509025
Diagonal 183069811.29891

Cube

Length = n
Surface area 100543667427054150
Volume 2.1692280327973E+24
Space diagonal 224213812.49496

Equilateral Triangle

Length = n
Perimeter 388349715
Area 7.2561141817902E+15
Altitude 112106906.24748

Triangular Pyramid

Length = n
Surface area 7.2561141817902E+15
Volume 2.5564597532182E+23
Height 61023270.43297