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.
129780909 has 8 divisors, whose sum is 144305920
The reverse of 129780909 is 909087921
Previous prime number is 1627
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-nine million seven hundred eighty thousand nine hundred nine
Scientific notation
1.29780909 × 10^8
Engineering notation
1.29780909 × 10^6
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.
4 , 7 , 2 , 85 , 14 , 684 , 2769 , 6069 , 15338 , 96368 , 90012 , 729390 , 3436517 , 3219196 , 67656929 , 21769670 , 184934693 , 200256088 , 8402028560 , 6141863599
n×2
259561818
n×3
389342727
n×4
519123636
n×5
648904545
n÷2
64890454.5
n÷3
43260303
n÷3
32445227.25
n÷5
25956181.8
n2
16843084340866281
n3
2.1859107961213E+24
n4
2.8368949011353E+32
n5
3.6817479900681E+40
2 √n
11392.142423618
3 √n
506.2949597016
4 √n
106.73397970477
5 √n
41.941326532219
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
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
md5
d917691d39965d37456c56820693829a
sha1
542034d99af1f060bc3158f05b37b8b26a53e37e
sha256
406ad850bb322984844bb8836347ca22af122e72431e6a583c1a387a04256cab
sha512
4afb7f9a2ed6674de51d05f87b0d69ddd90de65347e168c6d5f30add0b31540229f436cb6e8d21d936ddef4df907f7dce36f30d352efca170aacd21513a5ff37
ripemd-160
b720550717ba253550d22d42a7ac2a4e6796d846
Diameter
259561818
Circumference
815437500.58121
Area
5.2914110029059E+16
Volume
9.1563217313297E+24
Surface area
2.1165644011624E+17
Circumference
815437500.58121
Perimeter
519123636
Area
16843084340866281
Diagonal
183537921.64491
Surface area
101058506045197686
Volume
2.1859107961213E+24
Space diagonal
224787128.24047
Perimeter
389342727
Area
7.293269458637E+15
Altitude
112393564.12024
Surface area
7.293269458637E+15
Volume
2.5761205783438E+23
Height
61179307.21497