129742780 (number)

129742780 is an even 9-digits composite number following 129742779 and preceding 129742781. In scientific notation, it is written as 1.29742780 × 10^8. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 51605760 positive integers (up to 129742780) that are relatively prime to 129742780.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred forty-two thousand seven hundred eighty

Notation

Scientific notation 1.29742780 × 10^8
Engineering notation 1.29742780 × 10^6

Prime Factorization of 129742780

Prime Factorization 2 × 2 × 5 × 179 × 36241

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 64871390
Product of the distinct prime numbers

The prime factorization of 129742780 is 2 × 2 × 5 × 179 × 36241. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129742780)

Multiplication

n×y
n×2 259485560
n×3 389228340
n×4 518971120
n×5 648713900

Division

n÷y
n÷2 64871390
n÷3 43247593.333333
n÷3 32435695
n÷5 25948556

Exponentiation

ny
n2 16833188962128400
n3 2.1839847322119E+24
n4 2.8335625063472E+32
n5 3.6763427687726E+40

Nth Root

y√n
2√n 11390.46882266
3√n 506.2453725127
4√n 106.72613935986
5√n 41.938861810994

Divisors of 129742780

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129742779
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129742780 can be divided by 24 positive divisors. The sum of these divisors (counting 129742780) is 1, the average is 0.041666666666667.

Base conversion 129742780

Base System Value
2 Binary 111101110111011011110111100
3 Ternary 100001010121122011
4 Quaternary 13232323132330
5 Quinary 231203232110
6 Senary 20512501004
8 Octal 756733674
10 Decimal 129742780
12 Duodecimal 3754a764
16 Hexadecimal 7bbb7bc
20 Vigesimal 20ahgj0
36 Base36 258u64

Cryptographic Hash Functions

md5 42c607955f0c785e15ca34e2cec30bc8
sha1 c8231c5b585cc92e2d963b9ef0e82186a2180e9d
sha256 3d326202c4245b515a1f6e6bca66f2acfc7e842a0263ac96a71e2b753812a917
sha512 a874d4ae34eff960761294ce2c9d4c352646480a34527cc98c763cc7c907141130899063968eac9c7101e1d14493dea901afbbff5f1b1c8e4bff9d31df9397f4
ripemd-160 53ee5f5a78de03623c661b9676d63be5e693b647

129742780 as geometric shapes

Circle

Radius = n
Diameter 259485560
Circumference 815197929.00863
Area 5.2883022779911E+16

Sphere

Radius = n
Volume 9.148253853692E+24
Surface area 2.1153209111965E+17
Circumference 815197929.00863

Square

Length = n
Perimeter 518971120
Area 16833188962128400
Diagonal 183483999.09599

Cube

Length = n
Surface area 100999133772770400
Volume 2.1839847322119E+24
Space diagonal 224721086.87523

Equilateral Triangle

Length = n
Perimeter 389228340
Area 7.2889846339535E+15
Altitude 112360543.43762

Triangular Pyramid

Length = n
Surface area 7.2889846339535E+15
Volume 2.5738506902581E+23
Height 61161333.031996