129021897 (number)

129021897 is an odd 9-digits composite number following 129021896 and preceding 129021898. In scientific notation, it is written as 1.29021897 × 10^8. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 86014596 positive integers (up to 129021897) that are relatively prime to 129021897.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million twenty-one thousand eight hundred ninety-seven

Notation

Scientific notation 1.29021897 × 10^8
Engineering notation 1.29021897 × 10^6

Prime Factorization of 129021897

Prime Factorization 3 × 43007299

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129021897
Product of the distinct prime numbers

The prime factorization of 129021897 is 3 × 43007299. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129021897)

Multiplication

n×y
n×2 258043794
n×3 387065691
n×4 516087588
n×5 645109485

Division

n÷y
n÷2 64510948.5
n÷3 43007299
n÷3 32255474.25
n÷5 25804379.4

Exponentiation

ny
n2 16646649905478609
n3 2.1477823494997E+24
n4 2.7711095307557E+32
n5 3.5753380845288E+40

Nth Root

y√n
2√n 11358.780612372
3√n 505.30602240568
4√n 106.577580252
5√n 41.892153346387

Divisors of 129021897

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 -129021896
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 129021897 can be divided by 4 positive divisors. The sum of these divisors (counting 129021897) is 1, the average is 0.25.

Base conversion 129021897

Base System Value
2 Binary 111101100001011011111001001
3 Ternary 22222202222202210
4 Quaternary 13230023133021
5 Quinary 231012200042
6 Senary 20445215333
8 Octal 754133711
10 Decimal 129021897
12 Duodecimal 37261549
16 Hexadecimal 7b0b7c9
20 Vigesimal 2067eeh
36 Base36 24tdxl

Cryptographic Hash Functions

md5 10e221803a9cef1d526b6216f0e405b0
sha1 cfabf83486e7c6411b245bdbc48a4e11c06832a5
sha256 6b6d11b20503184a02fea411cbdc51fca6db34949880c3e777e9729eb097e50f
sha512 1ffd37bee7003147a02114d4f7239d2b44446c1df1761d2dd644bff0f1a4a1ccf816a953f81f74970f3b33d4ed11343b89dea539cbc5dc3f2f661d37248b3cef
ripemd-160 c520cd63b061e6d84f6adf8d29d56528593d80c7

129021897 as geometric shapes

Circle

Radius = n
Diameter 258043794
Circumference 810668487.53484
Area 5.2296993049933E+16

Sphere

Radius = n
Volume 8.9966096675975E+24
Surface area 2.0918797219973E+17
Circumference 810668487.53484

Square

Length = n
Perimeter 516087588
Area 16646649905478609
Diagonal 182464516.5805

Cube

Length = n
Surface area 99879899432871654
Volume 2.1477823494997E+24
Space diagonal 223472480.89292

Equilateral Triangle

Length = n
Perimeter 387065691
Area 7.2082108530251E+15
Altitude 111736240.44646

Triangular Pyramid

Length = n
Surface area 7.2082108530251E+15
Volume 2.5311857730734E+23
Height 60821505.526835