129676987 is an odd 9-digits composite number following 129676986
and preceding 129676988 . In scientific notation, it is written as 1.29676987 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 117888160 positive integers (up to 129676987) that are relatively prime to 129676987.
129676987 has 4 divisors, whose sum is 141465816
The reverse of 129676987 is 789676921
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred twenty-nine million six hundred seventy-six thousand nine hundred eighty-seven
Scientific notation
1.29676987 × 10^8
Engineering notation
1.29676987 × 10^6
Prime Factorization
11 × 11788817
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129676987
Product of the distinct prime numbers
The prime factorization of 129676987 is 11 × 11788817.
Since it has a total of 2 prime factors.
7 , 2 , 47 , 55 , 593 , 714 , 5889 , 4853 , 46471 , 82388 , 685117 , 337588 , 6384708 , 9161740 , 77480121 , 4887275 , 980771815 , 450102885 , 2190658253 , 839377215
n×2
259353974
n×3
389030961
n×4
518707948
n×5
648384935
n÷2
64838493.5
n÷3
43225662.333333
n÷3
32419246.75
n÷5
25935397.4
n2
16816120957398169
n3
2.1806638987829E+24
n4
2.8278192405385E+32
n5
3.6670307889366E+40
2 √n
11387.580383909
3 √n
506.15978513363
4 √n
106.71260649009
5 √n
41.934607480384
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129676986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129676987 can be divided by 4 positive divisors.
The sum of these divisors (counting 129676987) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110101011011010111011
3
Ternary
100001000021101101
4
Quaternary
13232223122323
5
Quinary
231144130422
6
Senary
20511232231
8
Octal
756533273
10
Decimal
129676987
12
Duodecimal
37518677
16
Hexadecimal
7bab6bb
20
Vigesimal
20a9c97
36
Base36
257fej
md5
e7b24b7cd748838e2dad02dbdfdece19
sha1
e3207827735086c09066b3aaa7b88e2d0a25e963
sha256
1ce55c521d91e15167e9d9727228c2fd28eec0de2905c5a1dc0d05c889a6df09
sha512
d840806cb42a2103b0d316f0161b9583f3ab53f29c3a47bcd15c001966023ec67914c1d535846ecec384592c666bca8838ab0c5251ea3a217e717b6262bd4a68
ripemd-160
73e0e3aa7168925b7a5c9b8e4b08f031143485a3
Diameter
259353974
Circumference
814784539.39772
Area
5.2829402061639E+16
Volume
9.1343435791533E+24
Surface area
2.1131760824656E+17
Circumference
814784539.39772
Perimeter
518707948
Area
16816120957398169
Diagonal
183390953.74308
Surface area
100896725744389014
Volume
2.1806638987829E+24
Space diagonal
224607130.05645
Perimeter
389030961
Area
7.2815939711094E+15
Altitude
112303565.02822
Surface area
7.2815939711094E+15
Volume
2.5699370505302E+23
Height
61130317.91436