129780909 (number)

129780909 is an odd 9-digits composite number following 129780908 and preceding 129780910. In scientific notation, it is written as 1.29780909 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 86457672 positive integers (up to 129780909) that are relatively prime to 129780909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29780909 × 10^8
Engineering notation 1.29780909 × 10^6

Prime Factorization of 129780909

Prime Factorization 9 × 1627 × 8863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129780909
Product of the distinct prime numbers

The prime factorization of 129780909 is 9 × 1627 × 8863. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129780909)

Multiplication

n×y
n×2 259561818
n×3 389342727
n×4 519123636
n×5 648904545

Division

n÷y
n÷2 64890454.5
n÷3 43260303
n÷3 32445227.25
n÷5 25956181.8

Exponentiation

ny
n2 16843084340866281
n3 2.1859107961213E+24
n4 2.8368949011353E+32
n5 3.6817479900681E+40

Nth Root

y√n
2√n 11392.142423618
3√n 506.2949597016
4√n 106.73397970477
5√n 41.941326532219

Divisors of 129780909

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 -129780908
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 129780909 can be divided by 8 positive divisors. The sum of these divisors (counting 129780909) is 1, the average is 0.125.

Base conversion 129780909

Base System Value
2 Binary 111101111000100110010101101
3 Ternary 100001012112221100
4 Quaternary 13233010302231
5 Quinary 231210442114
6 Senary 20513353313
8 Octal 757046255
10 Decimal 129780909
12 Duodecimal 37568839
16 Hexadecimal 7bc4cad
20 Vigesimal 20b2c59
36 Base36 259nl9

Cryptographic Hash Functions

md5 d917691d39965d37456c56820693829a
sha1 542034d99af1f060bc3158f05b37b8b26a53e37e
sha256 406ad850bb322984844bb8836347ca22af122e72431e6a583c1a387a04256cab
sha512 4afb7f9a2ed6674de51d05f87b0d69ddd90de65347e168c6d5f30add0b31540229f436cb6e8d21d936ddef4df907f7dce36f30d352efca170aacd21513a5ff37
ripemd-160 b720550717ba253550d22d42a7ac2a4e6796d846

129780909 as geometric shapes

Circle

Radius = n
Diameter 259561818
Circumference 815437500.58121
Area 5.2914110029059E+16

Sphere

Radius = n
Volume 9.1563217313297E+24
Surface area 2.1165644011624E+17
Circumference 815437500.58121

Square

Length = n
Perimeter 519123636
Area 16843084340866281
Diagonal 183537921.64491

Cube

Length = n
Surface area 101058506045197686
Volume 2.1859107961213E+24
Space diagonal 224787128.24047

Equilateral Triangle

Length = n
Perimeter 389342727
Area 7.293269458637E+15
Altitude 112393564.12024

Triangular Pyramid

Length = n
Surface area 7.293269458637E+15
Volume 2.5761205783438E+23
Height 61179307.21497