129711261 is an odd 9-digits composite number following 129711260
and preceding 129711262 . In scientific notation, it is written as 1.29711261 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 86114880 positive integers (up to 129711261) that are relatively prime to 129711261.
129711261 has 8 divisors, whose sum is 173666944
The reverse of 129711261 is 162117921
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-nine million seven hundred eleven thousand two hundred sixty-one
Scientific notation
1.29711261 × 10^8
Engineering notation
1.29711261 × 10^6
Prime Factorization
3 × 241 × 179407
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129711261
Product of the distinct prime numbers
The prime factorization of 129711261 is 3 × 241 × 179407.
Since it has a total of 3 prime factors.
2 , 2 , 52 , 78 , 803 , 131 , 3093 , 3567 , 29997 , 10027 , 667309 , 921718 , 4587718 , 5425006 , 34731237 , 38279973 , 577437040 , 344571863 , 6369406278 , 9867120796
n×2
259422522
n×3
389133783
n×4
518845044
n×5
648556305
n÷2
64855630.5
n÷3
43237087
n÷3
32427815.25
n÷5
25942252.2
n2
16825011230210121
n3
2.1823934230097E+24
n4
2.830810028967E+32
n5
3.6718793850875E+40
2 √n
11389.085169582
3 √n
506.20437436702
4 √n
106.71965690341
5 √n
41.936823933503
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
-129711260
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 129711261 can be divided by 8 positive divisors.
The sum of these divisors (counting 129711261) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110110011110010011101
3
Ternary
100001002000101210
4
Quaternary
13232303302131
5
Quinary
231201230021
6
Senary
20512055033
8
Octal
756636235
10
Decimal
129711261
12
Duodecimal
37534479
16
Hexadecimal
7bb3c9d
20
Vigesimal
20adi31
36
Base36
2585ul
md5
a4dd6c32d110aeb97480ad43790a950d
sha1
f0e4c60d708ab976015a0f0515e381494b77f65a
sha256
5d4fbfc2fa1b7cd80634b37e8891693f4d25321a24e73782e0c669551909c40c
sha512
4f173671c59d4d491ea2a0292be6d459b51371779b743900a10b930d41fc1ed90411a407a893846fbfd573dcb16b4ab904330f6972c479deac4bb3c69b359de7
ripemd-160
dcf167299ebd54c6f4994404ada71119f6a55718
Diameter
259422522
Circumference
814999889.29094
Area
5.2857331677394E+16
Volume
9.1415881932933E+24
Surface area
2.1142932670958E+17
Circumference
814999889.29094
Perimeter
518845044
Area
16825011230210121
Diagonal
183439424.49872
Surface area
100950067381260726
Volume
2.1823934230097E+24
Space diagonal
224666494.36583
Perimeter
389133783
Area
7.2854435721602E+15
Altitude
112333247.18291
Surface area
7.2854435721602E+15
Volume
2.5719753143785E+23
Height
61146474.832905