129486978 (number)

129486978 is an even 9-digits composite number following 129486977 and preceding 129486979. In scientific notation, it is written as 1.29486978 × 10^8. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 43162308 positive integers (up to 129486978) that are relatively prime to 129486978.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million four hundred eighty-six thousand nine hundred seventy-eight

Notation

Scientific notation 1.29486978 × 10^8
Engineering notation 1.29486978 × 10^6

Prime Factorization of 129486978

Prime Factorization 2 × 3 × 9 × 2397907

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129486978
Product of the distinct prime numbers

The prime factorization of 129486978 is 2 × 3 × 9 × 2397907. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 2, 100, 94, 616, 211, 8910, 9619, 51874, 17311, 420515, 600045, 9340704, 4552212, 59898740, 37459532, 277263201, 259830973, 5869315386, 3846122267

Basic calculations (n = 129486978)

Multiplication

n×y
n×2 258973956
n×3 388460934
n×4 517947912
n×5 647434890

Division

n÷y
n÷2 64743489
n÷3 43162326
n÷3 32371744.5
n÷5 25897395.6

Exponentiation

ny
n2 16766877471572484
n3 2.1710922942902E+24
n4 2.8112818014672E+32
n5 3.6402438477839E+40

Nth Root

y√n
2√n 11379.234508525
3√n 505.91244768259
4√n 106.67349487349
5√n 41.922311348064

Divisors of 129486978

1, 2, 3, 6, 9, 18, 27, 54, 2397907, 4795814, 7193721, 14387442, 21581163, 43162326, 64743489, 129486978

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129486977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129486978 can be divided by 16 positive divisors. The sum of these divisors (counting 129486978) is 1, the average is 0.0625.

Base conversion 129486978

Base System Value
2 Binary 111101101111101000010000010
3 Ternary 100000122121202000
4 Quaternary 13231331002002
5 Quinary 231122040403
6 Senary 20503204430
8 Octal 755750202
10 Decimal 129486978
12 Duodecimal 37446716
16 Hexadecimal 7b7d082
20 Vigesimal 2095h8i
36 Base36 253csi

Cryptographic Hash Functions

md5 9e9813a671aee1e6ea4e7760f83679f7
sha1 f401ae79f2b6a2565e186887341718e51f8cbef4
sha256 0b983df2935f0a00f57b5541900972162fc61b02e163ce476e7874c8da6fa05f
sha512 007970e48c533b7bad4118bae1ecc6bbd4647fb84fe09f01babdd5eea2aa18c918d99b3234040d789425e05da9e009a752409399a1a45b357047d3e1418c7599
ripemd-160 123f480ae82e610bda4e7a55ed0bac65d8955dbf

129486978 as geometric shapes

Circle

Radius = n
Diameter 258973956
Circumference 813590677.64069
Area 5.2674699088332E+16

Sphere

Radius = n
Volume 9.09425013601E+24
Surface area 2.1069879635333E+17
Circumference 813590677.64069

Square

Length = n
Perimeter 517947912
Area 16766877471572484
Diagonal 183122240.43831

Cube

Length = n
Surface area 100601264829434904
Volume 2.1710922942902E+24
Space diagonal 224278024.81455

Equilateral Triangle

Length = n
Perimeter 388460934
Area 7.2602709162614E+15
Altitude 112139012.40728

Triangular Pyramid

Length = n
Surface area 7.2602709162614E+15
Volume 2.5586568064574E+23
Height 61040746.812769