129870909 (number)

129870909 is an odd 9-digits composite number following 129870908 and preceding 129870910. In scientific notation, it is written as 1.29870909 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 70305408 positive integers (up to 129870909) that are relatively prime to 129870909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29870909 × 10^8
Engineering notation 1.29870909 × 10^6

Prime Factorization of 129870909

Prime Factorization 9 × 7 × 19 × 108497

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129870909
Product of the distinct prime numbers

The prime factorization of 129870909 is 9 × 7 × 19 × 108497. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 26, 60, 142, 201, 9748, 7434, 23031, 62049, 260178, 984923, 2011834, 3051385, 63890713, 1436055, 232091997, 674292341, 8008214586, 6968223178

Basic calculations (n = 129870909)

Multiplication

n×y
n×2 259741818
n×3 389612727
n×4 519483636
n×5 649354545

Division

n÷y
n÷2 64935454.5
n÷3 43290303
n÷3 32467727.25
n÷5 25974181.8

Exponentiation

ny
n2 16866453004486281
n3 2.1904615832984E+24
n4 2.8447723695254E+32
n5 3.6945317352835E+40

Nth Root

y√n
2√n 11396.091830097
3√n 506.41196719696
4√n 106.75247926909
5√n 41.947141983476

Divisors of 129870909

1, 7, 9, 19, 63, 133, 171, 1197, 108497, 759479, 976473, 2061443, 6835311, 14430101, 18552987, 129870909

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 -129870908
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 129870909 can be divided by 16 positive divisors. The sum of these divisors (counting 129870909) is 1, the average is 0.0625.

Base conversion 129870909

Base System Value
2 Binary 111101111011010110000111101
3 Ternary 100001101010101200
4 Quaternary 13233122300331
5 Quinary 231221332114
6 Senary 20515330113
8 Octal 757326075
10 Decimal 129870909
12 Duodecimal 375b0939
16 Hexadecimal 7bdac3d
20 Vigesimal 20bdh59
36 Base36 25bl19

Cryptographic Hash Functions

md5 9b56554896b917d5da5802243085062c
sha1 707a5492caaa175f85cf63ce1ace9abadf3a1e9b
sha256 cc97d7721a5e86799c1c7aa08998dea890d910ce2185f167547743468d073063
sha512 e120fa5b41efa213dfbb7ca218075c80c719a186e9bef9cddcfbc5a47070ed6ed63fccf4ce89e3892dc54cd829abcdf151a532efee1f18202cf5e7f933e843c4
ripemd-160 ac7c1bcf3c03654b37a00029dbfea1c35610a55a

129870909 as geometric shapes

Circle

Radius = n
Diameter 259741818
Circumference 816002987.25886
Area 5.2987524851012E+16

Sphere

Radius = n
Volume 9.1753840240813E+24
Surface area 2.1195009940405E+17
Circumference 816002987.25886

Square

Length = n
Perimeter 519483636
Area 16866453004486281
Diagonal 183665200.86552

Cube

Length = n
Surface area 101198718026917686
Volume 2.1904615832984E+24
Space diagonal 224943012.81315

Equilateral Triangle

Length = n
Perimeter 389612727
Area 7.3033883868107E+15
Altitude 112471506.40658

Triangular Pyramid

Length = n
Surface area 7.3033883868107E+15
Volume 2.5814837324649E+23
Height 61221733.621841