129804905 (number)

129804905 is an odd 9-digits composite number following 129804904 and preceding 129804906. In scientific notation, it is written as 1.29804905 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 100494000 positive integers (up to 129804905) that are relatively prime to 129804905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29804905 × 10^8
Engineering notation 1.29804905 × 10^6

Prime Factorization of 129804905

Prime Factorization 5 × 31 × 837451

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129804905
Product of the distinct prime numbers

The prime factorization of 129804905 is 5 × 31 × 837451. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129804905)

Multiplication

n×y
n×2 259609810
n×3 389414715
n×4 519219620
n×5 649024525

Division

n÷y
n÷2 64902452.5
n÷3 43268301.666667
n÷3 32451226.25
n÷5 25960981

Exponentiation

ny
n2 16849313362059025
n3 2.1871235202773E+24
n4 2.8389936077286E+32
n5 3.6851529554682E+40

Nth Root

y√n
2√n 11393.195556998
3√n 506.32616178736
4√n 106.73891304018
5√n 41.942877376105

Divisors of 129804905

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129804904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129804905 can be divided by 8 positive divisors. The sum of these divisors (counting 129804905) is 1, the average is 0.125.

Base conversion 129804905

Base System Value
2 Binary 111101111001010101001101001
3 Ternary 100001020202212002
4 Quaternary 13233022221221
5 Quinary 231212224110
6 Senary 20514100345
8 Octal 757125151
10 Decimal 129804905
12 Duodecimal 3757a6b5
16 Hexadecimal 7bcaa69
20 Vigesimal 20b5c55
36 Base36 25a63t

Cryptographic Hash Functions

md5 cec30ef1733f0e5696a5075f85b4d59e
sha1 81eb0f66636575dd5df030b875052fa5c2187c1b
sha256 b9eb44bf9d6d889143076e088e01c89b4c2d27e50cc66346d724c29f049cbb0b
sha512 e9bb2bc791c0d906c613d8131a574b6d1ddfbcae123419cc2a7632d63c90fb50a2e95b08cb18d93a77e671edab078417c374a9c017881576dad88d9f2e1eab11
ripemd-160 7340fca6dc2000a543266a7af2b7c33da162af51

129804905 as geometric shapes

Circle

Radius = n
Diameter 259609810
Circumference 815588271.89584
Area 5.2933679076277E+16

Sphere

Radius = n
Volume 9.1614015783955E+24
Surface area 2.1173471630511E+17
Circumference 815588271.89584

Square

Length = n
Perimeter 519219620
Area 16849313362059025
Diagonal 183571857.11355

Cube

Length = n
Surface area 101095880172354150
Volume 2.1871235202773E+24
Space diagonal 224828690.53165

Equilateral Triangle

Length = n
Perimeter 389414715
Area 7.2959667039339E+15
Altitude 112414345.26583

Triangular Pyramid

Length = n
Surface area 7.2959667039339E+15
Volume 2.5775497874678E+23
Height 61190619.03785