129871018 (number)

129871018 is an even 9-digits composite number following 129871017 and preceding 129871019. In scientific notation, it is written as 1.29871018 × 10^8. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 62112204 positive integers (up to 129871018) that are relatively prime to 129871018.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million eight hundred seventy-one thousand eighteen

Notation

Scientific notation 1.29871018 × 10^8
Engineering notation 1.29871018 × 10^6

Prime Factorization of 129871018

Prime Factorization 2 × 23 × 2823283

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129871018
Product of the distinct prime numbers

The prime factorization of 129871018 is 2 × 23 × 2823283. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129871018)

Multiplication

n×y
n×2 259742036
n×3 389613054
n×4 519484072
n×5 649355090

Division

n÷y
n÷2 64935509
n÷3 43290339.333333
n÷3 32467754.5
n÷5 25974203.6

Exponentiation

ny
n2 16866481316356324
n3 2.1904670986332E+24
n4 2.84478191995E+32
n5 3.694547239319E+40

Nth Root

y√n
2√n 11396.096612437
3√n 506.41210887325
4√n 106.75250166828
5√n 41.947149024679

Divisors of 129871018

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129871017
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129871018 can be divided by 8 positive divisors. The sum of these divisors (counting 129871018) is 1, the average is 0.125.

Base conversion 129871018

Base System Value
2 Binary 111101111011010110010101010
3 Ternary 100001101010112201
4 Quaternary 13233122302222
5 Quinary 231221333033
6 Senary 20515330414
8 Octal 757326252
10 Decimal 129871018
12 Duodecimal 375b0a0a
16 Hexadecimal 7bdacaa
20 Vigesimal 20bdhai
36 Base36 25bl4a

Cryptographic Hash Functions

md5 a57723bda4f211dcaa6cb6b7a6e4e948
sha1 16d8a672330f78f29aefbf2c8118a96dbfb94374
sha256 071795a3a0640943a9ee0cc0416c78116f1a47c254c21dd748051f37efe574f8
sha512 c1af6b5da1ad5abcbd51b59dadc5571b861da7b8c9bee1bf0728596cfbf00c91fff39a9f52001838f30ccecba94cf5bf8c7c1f03e76fee54df70e5b297c119aa
ripemd-160 128bd1a9ee5702c7d87358042e0ed08d6c467dd4

129871018 as geometric shapes

Circle

Radius = n
Diameter 259742036
Circumference 816003672.12606
Area 5.2987613795375E+16

Sphere

Radius = n
Volume 9.1754071266615E+24
Surface area 2.119504551815E+17
Circumference 816003672.12606

Square

Length = n
Perimeter 519484072
Area 16866481316356324
Diagonal 183665355.0148

Cube

Length = n
Surface area 101198887898137944
Volume 2.1904670986332E+24
Space diagonal 224943201.60669

Equilateral Triangle

Length = n
Perimeter 389613054
Area 7.3034006462101E+15
Altitude 112471600.80335

Triangular Pyramid

Length = n
Surface area 7.3034006462101E+15
Volume 2.5814902323492E+23
Height 61221785.004933