129780420 (number)

129780420 is an even 9-digits composite number following 129780419 and preceding 129780421. In scientific notation, it is written as 1.29780420 × 10^8. The sum of its digits is 33. It has a total of 7 prime factors and 72 positive divisors. There are 26960640 positive integers (up to 129780420) that are relatively prime to 129780420.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29780420 × 10^8
Engineering notation 1.29780420 × 10^6

Prime Factorization of 129780420

Prime Factorization 2 × 2 × 15 × 11 × 7 × 7 × 4013

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 9270030
Product of the distinct prime numbers

The prime factorization of 129780420 is 2 × 2 × 15 × 11 × 7 × 7 × 4013. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129780420)

Multiplication

n×y
n×2 259560840
n×3 389341260
n×4 519121680
n×5 648902100

Division

n÷y
n÷2 64890210
n÷3 43260140
n÷3 32445105
n÷5 25956084

Exponentiation

ny
n2 16842957415376400
n3 2.1858860874097E+24
n4 2.8368521449618E+32
n5 3.6816786285105E+40

Nth Root

y√n
2√n 11392.120961436
3√n 506.29432381314
4√n 106.73387916419
5√n 41.941294926123

Divisors of 129780420

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129780419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129780420 can be divided by 72 positive divisors. The sum of these divisors (counting 129780420) is 1, the average is 0.013888888888889.

Base conversion 129780420

Base System Value
2 Binary 111101111000100101011000100
3 Ternary 100001012112021020
4 Quaternary 13233010223010
5 Quinary 231210433140
6 Senary 20513351140
8 Octal 757045304
10 Decimal 129780420
12 Duodecimal 375684b0
16 Hexadecimal 7bc4ac4
20 Vigesimal 20b2b10
36 Base36 259n7o

Cryptographic Hash Functions

md5 f32c20be145cdd4ee4d506c946d5b7c8
sha1 66ebe1d638349661fa2de8b460d2419c56008b4b
sha256 4e0cb396c368bd39bab9906d6f0ff9243728e7719b47a6f298d67e1ec01320a2
sha512 4f63e96d140e14ebd70dd71596dd2f38d2b6dadc60087f19f80bba3a3c2e65f0301d3b47c4c8de45f1738f90e132b0b574ebcc81570bf4dbded12c341973249c
ripemd-160 e7ed94d9846f4fbb22fa11a1a73c3316b05f9b9a

129780420 as geometric shapes

Circle

Radius = n
Diameter 259560840
Circumference 815434428.1036
Area 5.2913711280872E+16

Sphere

Radius = n
Volume 9.1562182317204E+24
Surface area 2.1165484512349E+17
Circumference 815434428.1036

Square

Length = n
Perimeter 519121680
Area 16842957415376400
Diagonal 183537230.09448

Cube

Length = n
Surface area 101057744492258400
Volume 2.1858860874097E+24
Space diagonal 224786281.26763

Equilateral Triangle

Length = n
Perimeter 389341260
Area 7.2932144982877E+15
Altitude 112393140.63381

Triangular Pyramid

Length = n
Surface area 7.2932144982877E+15
Volume 2.5760914588478E+23
Height 61179076.698159