129281018 (number)

129281018 is an even 9-digits composite number following 129281017 and preceding 129281019. In scientific notation, it is written as 1.29281018 × 10^8. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 63473280 positive integers (up to 129281018) that are relatively prime to 129281018.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million two hundred eighty-one thousand eighteen

Notation

Scientific notation 1.29281018 × 10^8
Engineering notation 1.29281018 × 10^6

Prime Factorization of 129281018

Prime Factorization 2 × 131 × 97 × 5087

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129281018
Product of the distinct prime numbers

The prime factorization of 129281018 is 2 × 131 × 97 × 5087. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 75, 51, 141, 209, 2161, 9462, 9821, 36062, 329524, 785027, 5922270, 1827553, 65873655, 54993478, 974672809, 478130188, 1601301189, 520020508

Basic calculations (n = 129281018)

Multiplication

n×y
n×2 258562036
n×3 387843054
n×4 517124072
n×5 646405090

Division

n÷y
n÷2 64640509
n÷3 43093672.666667
n÷3 32320254.5
n÷5 25856203.6

Exponentiation

ny
n2 16713581615116324
n3 2.1607488456283E+24
n4 2.7934381040515E+32
n5 3.6113852181177E+40

Nth Root

y√n
2√n 11370.181089147
3√n 505.64407314973
4√n 106.63105124281
5√n 41.908966658006

Divisors of 129281018

1, 2, 97, 131, 194, 262, 5087, 10174, 12707, 25414, 493439, 666397, 986878, 1332794, 64640509, 129281018

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 -129281017
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 129281018 can be divided by 16 positive divisors. The sum of these divisors (counting 129281018) is 1, the average is 0.0625.

Base conversion 129281018

Base System Value
2 Binary 111101101001010101111111010
3 Ternary 100000021011012212
4 Quaternary 13231022233322
5 Quinary 231043443033
6 Senary 20454535122
8 Octal 755125772
10 Decimal 129281018
12 Duodecimal 373674a2
16 Hexadecimal 7b4abfa
20 Vigesimal 20802ai
36 Base36 24yxve

Cryptographic Hash Functions

md5 4a4ab3176b52b289d464d8d465236389
sha1 7914a7bf961ce7924c5e9a28fe0f46f510812bcf
sha256 d672a28549c93dcb43226b645c14f34fcad44c45d84b32fa73e080b632ac3dc0
sha512 bb53b28ed58d42cff5bfe06d32299671d2a406ee573cd839002b146afec87a2722ea16424923d40533bbbcbc6471ae6938733d1780ec6c41828c710b2a084430
ripemd-160 b0e0379dd38b21d4a600d435ec318b04b44a5418

129281018 as geometric shapes

Circle

Radius = n
Diameter 258562036
Circumference 812296592.79482
Area 5.2507265217223E+16

Sphere

Radius = n
Volume 9.0509235995714E+24
Surface area 2.1002906086889E+17
Circumference 812296592.79482

Square

Length = n
Perimeter 517124072
Area 16713581615116324
Diagonal 182830969.013

Cube

Length = n
Surface area 100281489690697944
Volume 2.1607488456283E+24
Space diagonal 223921291.63023

Equilateral Triangle

Length = n
Perimeter 387843054
Area 7.2371931334576E+15
Altitude 111960645.81511

Triangular Pyramid

Length = n
Surface area 7.2371931334576E+15
Volume 2.546466935308E+23
Height 60943656.337667