129116721 is an odd 9-digits composite number following 129116720
and preceding 129116722 . In scientific notation, it is written as 1.29116721 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 84618752 positive integers (up to 129116721) that are relatively prime to 129116721.
129116721 has 8 divisors, whose sum is 175073760
The reverse of 129116721 is 127611921
Previous prime number is 59
Is Prime? no Number parity odd Number length 9 Sum of Digits 30 Digital Root 3
Name
one hundred twenty-nine million one hundred sixteen thousand seven hundred twenty-one
Scientific notation
1.29116721 × 10^8
Engineering notation
1.29116721 × 10^6
Prime Factorization
3 × 59 × 729473
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
129116721 Product of the distinct prime numbers
The prime factorization of 129116721 is 3 × 59 × 729473.
Since it has a total of 3 prime factors.
9 , 10 , 37 , 2 , 145 , 113 , 7922 , 5765 , 89091 , 14730 , 906458 , 434546 , 1264093 , 5889096 , 44429470 , 24223164 , 700385851 , 420515553 , 1560674904 , 8363066228
n×2
258233442
n×3
387350163
n×4
516466884
n×5
645583605
n÷2
64558360.5
n÷3
43038907
n÷3
32279180.25
n÷5
25823344.2
n2
16671127641791841
n3
2.1525213364806E+24
n4
2.7792649684892E+32
n5
3.5884957952149E+40
2 √n11362.953885324
3 √n505.42978280564
4 √n106.59715702271
5 √n41.898309222813
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
-129116720 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 129116721 can be divided by 8 positive divisors.
The sum of these divisors (counting 129116721) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100010101000110001
3
Ternary
22222221210211210
4
Quaternary
13230202220301
5
Quinary
231023213341
6
Senary
20451230333
8
Octal
754425061
10
Decimal
129116721
12
Duodecimal
372a83a9
16
Hexadecimal
7b22a31
20
Vigesimal
206jbg1
36
Base36
24vf3l
md5
5d408573d099c432c51c84e9c50b0a40
sha1
2bcd436f81fb932b9953d5fefd22d0195d9173ba
sha256
738c6f9ff6542ccc85d8fea5667bf4f6c58650af3392b86f1918abe96ce95be4
sha512
367c9de5e877266fef94873616ce8744cb3aa5cb2f82cb20cfd4bb1efaf50029b83d1aedee617dded3641eb38ee76de9f573cefa67f3bb00b157b08228f58adf
ripemd-160
1ab2f1ed1019b49b8d157843318d46924bb6f51e
Diameter
258233442
Circumference
811264284.29841
Area
5.2373892126511E+16
Volume
9.0164602898438E+24
Surface area
2.0949556850604E+17
Circumference
811264284.29841
Perimeter
516466884
Area
16671127641791841
Diagonal
182598617.96734
Surface area
100026765850751046
Volume
2.1525213364806E+24
Space diagonal
223636720.8787
Perimeter
387350163
Area
7.2188100237623E+15
Altitude
111818360.43935
Surface area
7.2188100237623E+15
Volume
2.5367707227903E+23
Height
60866205.989114