129621808 (number)

129621808 is an even 9-digits composite number following 129621807 and preceding 129621809. In scientific notation, it is written as 1.29621808 × 10^8. The sum of its digits is 37. It has a total of 5 prime factors and 10 positive divisors. There are 64810896 positive integers (up to 129621808) that are relatively prime to 129621808.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred twenty-one thousand eight hundred eight

Notation

Scientific notation 1.29621808 × 10^8
Engineering notation 1.29621808 × 10^6

Prime Factorization of 129621808

Prime Factorization 2 × 2 × 2 × 2 × 8101363

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 16202726
Product of the distinct prime numbers

The prime factorization of 129621808 is 2 × 2 × 2 × 2 × 8101363. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129621808)

Multiplication

n×y
n×2 259243616
n×3 388865424
n×4 518487232
n×5 648109040

Division

n÷y
n÷2 64810904
n÷3 43207269.333333
n÷3 32405452
n÷5 25924361.6

Exponentiation

ny
n2 16801813109188864
n3 2.1778813928912E+24
n4 2.8230092375611E+32
n5 3.6592356137337E+40

Nth Root

y√n
2√n 11385.157355083
3√n 506.08798274271
4√n 106.70125282809
5√n 41.931038144454

Divisors of 129621808

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129621807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129621808 can be divided by 10 positive divisors. The sum of these divisors (counting 129621808) is 1, the average is 0.1.

Base conversion 129621808

Base System Value
2 Binary 111101110011101111100110000
3 Ternary 100000220110200201
4 Quaternary 13232131330300
5 Quinary 231140344213
6 Senary 20510124544
8 Octal 756357460
10 Decimal 129621808
12 Duodecimal 374b0754
16 Hexadecimal 7b9df30
20 Vigesimal 20a2ea8
36 Base36 2568ts

Cryptographic Hash Functions

md5 b7e0ec865dada20259f4585668e578b6
sha1 d96024adc669370cb4ebdeb7401e305b24c219ce
sha256 4efd839a16481987cc23da04f53b0f73f03723c31990b882d87cdd120dc8cc08
sha512 9f9e6d8644ff3cf75950fb6f4c54550a8ff55fde8ba0f6e423dbc5db78c8090a15ca2c820697bfb809d756a1426a1b6ba7f4d96e72e112ed6b785d1dca08e47b
ripemd-160 98cb1217a58e2a5e70bcf04f3063315bb8b50f30

129621808 as geometric shapes

Circle

Radius = n
Diameter 259243616
Circumference 814437839.51565
Area 5.2784452630816E+16

Sphere

Radius = n
Volume 9.122688245729E+24
Surface area 2.1113781052327E+17
Circumference 814437839.51565

Square

Length = n
Perimeter 518487232
Area 16801813109188864
Diagonal 183312918.85292

Cube

Length = n
Surface area 100810878655133184
Volume 2.1778813928912E+24
Space diagonal 224511557.22494

Equilateral Triangle

Length = n
Perimeter 388865424
Area 7.275398491098E+15
Altitude 112255778.61247

Triangular Pyramid

Length = n
Surface area 7.275398491098E+15
Volume 2.5666578358889E+23
Height 61104306.284307