129127979 (number)

129127979 is an odd 9-digits composite number following 129127978 and preceding 129127980. In scientific notation, it is written as 1.29127979 × 10^8. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 129094584 positive integers (up to 129127979) that are relatively prime to 129127979.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred twenty-seven thousand nine hundred seventy-nine

Notation

Scientific notation 1.29127979 × 10^8
Engineering notation 1.29127979 × 10^6

Prime Factorization of 129127979

Prime Factorization 4463 × 28933

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129127979
Product of the distinct prime numbers

The prime factorization of 129127979 is 4463 × 28933. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129127979)

Multiplication

n×y
n×2 258255958
n×3 387383937
n×4 516511916
n×5 645639895

Division

n÷y
n÷2 64563989.5
n÷3 43042659.666667
n÷3 32281994.75
n÷5 25825595.8

Exponentiation

ny
n2 16674034960624441
n3 2.1530844362408E+24
n4 2.7802344186813E+32
n5 3.5900605163055E+40

Nth Root

y√n
2√n 11363.449256278
3√n 505.44447226151
4√n 106.59948056289
5√n 41.899039840368

Divisors of 129127979

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 -129127978
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 129127979 can be divided by 4 positive divisors. The sum of these divisors (counting 129127979) is 1, the average is 0.25.

Base conversion 129127979

Base System Value
2 Binary 111101100100101011000101011
3 Ternary 22222222101021202
4 Quaternary 13230211120223
5 Quinary 231024043404
6 Senary 20451354415
8 Octal 754453053
10 Decimal 129127979
12 Duodecimal 372b2a0b
16 Hexadecimal 7b2562b
20 Vigesimal 2070jij
36 Base36 24vnsb

Cryptographic Hash Functions

md5 262ea15d8879eea0680c13cc3469c451
sha1 1144fc6673eba35dbed18b6068ead6758159806a
sha256 cf2551995998a550863aa391098e96510b6ea613ee67801a7fa198310f038c65
sha512 ff9f9ec5afd76ff475b87f53fb694f6c01bc021d071f9da82e7fb9d3a7e2a270ab0525ae2e248d87cfc0556fc03219696f9e4bf37c1fb55b23a260a50b0494b2
ripemd-160 47f088261180db3b755fe7835dd37b9daebcf15c

129127979 as geometric shapes

Circle

Radius = n
Diameter 258255958
Circumference 811335020.39859
Area 5.2383025737997E+16

Sphere

Radius = n
Volume 9.0188189966034E+24
Surface area 2.0953210295199E+17
Circumference 811335020.39859

Square

Length = n
Perimeter 516511916
Area 16674034960624441
Diagonal 182614539.18363

Cube

Length = n
Surface area 100044209763746646
Volume 2.1530844362408E+24
Space diagonal 223656220.30669

Equilateral Triangle

Length = n
Perimeter 387383937
Area 7.2200689297453E+15
Altitude 111828110.15334

Triangular Pyramid

Length = n
Surface area 7.2200689297453E+15
Volume 2.5374343422218E+23
Height 60871513.061209