129489021 (number)

129489021 is an odd 9-digits composite number following 129489020 and preceding 129489022. In scientific notation, it is written as 1.29489021 × 10^8. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 86326008 positive integers (up to 129489021) that are relatively prime to 129489021.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million four hundred eighty-nine thousand twenty-one

Notation

Scientific notation 1.29489021 × 10^8
Engineering notation 1.29489021 × 10^6

Prime Factorization of 129489021

Prime Factorization 9 × 14387669

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129489021
Product of the distinct prime numbers

The prime factorization of 129489021 is 9 × 14387669. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129489021)

Multiplication

n×y
n×2 258978042
n×3 388467063
n×4 517956084
n×5 647445105

Division

n÷y
n÷2 64744510.5
n÷3 43163007
n÷3 32372255.25
n÷5 25897804.2

Exponentiation

ny
n2 16767406559538441
n3 2.1711950601036E+24
n4 2.8114592273285E+32
n5 3.6405310292819E+40

Nth Root

y√n
2√n 11379.324276951
3√n 505.91510837149
4√n 106.67391563522
5√n 41.922443634326

Divisors of 129489021

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 -129489020
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 129489021 can be divided by 4 positive divisors. The sum of these divisors (counting 129489021) is 1, the average is 0.25.

Base conversion 129489021

Base System Value
2 Binary 111101101111101100001111101
3 Ternary 100000122201112200
4 Quaternary 13231331201331
5 Quinary 231122122041
6 Senary 20503222113
8 Octal 755754175
10 Decimal 129489021
12 Duodecimal 37447939
16 Hexadecimal 7b7d87d
20 Vigesimal 20962b1
36 Base36 253ed9

Cryptographic Hash Functions

md5 2bebaa809487d0b8601a8075886af471
sha1 6cc1b97ca30f693238adf4f85a43db9b725a3bb3
sha256 80a320ef03775c5b9537b05f6d2cb43b7b2d94539b7a98819a6ec4f73132f1b3
sha512 d02f71bba130355aaacb6f3d25cb90d5c0cb9d70f00955b989b8310f22f1bdc7bf068b7058d35845c06c21b05994307f8e0dc239781a0eeccf6187f661c463b1
ripemd-160 3453b771833edfdd9b4867ced071de364a2652cd

129489021 as geometric shapes

Circle

Radius = n
Diameter 258978042
Circumference 813603514.18827
Area 5.2676361267199E+16

Sphere

Radius = n
Volume 9.0946806004426E+24
Surface area 2.107054450688E+17
Circumference 813603514.18827

Square

Length = n
Perimeter 517956084
Area 16767406559538441
Diagonal 183125129.67661

Cube

Length = n
Surface area 100604439357230646
Volume 2.1711950601036E+24
Space diagonal 224281563.39435

Equilateral Triangle

Length = n
Perimeter 388467063
Area 7.2605000180711E+15
Altitude 112140781.69718

Triangular Pyramid

Length = n
Surface area 7.2605000180711E+15
Volume 2.55877791713E+23
Height 61041709.892205