129660646 is an even 9-digits composite number following 129660645
and preceding 129660647 . In scientific notation, it is written as 1.29660646 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 64009608 positive integers (up to 129660646) that are relatively prime to 129660646.
129660646 has 8 divisors, whose sum is 196953120
The reverse of 129660646 is 646066921
Previous prime number is 79
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-nine million six hundred sixty thousand six hundred forty-six
Scientific notation
1.29660646 × 10^8
Engineering notation
1.29660646 × 10^6
Prime Factorization
2 × 79 × 820637
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129660646
Product of the distinct prime numbers
The prime factorization of 129660646 is 2 × 79 × 820637.
Since it has a total of 3 prime factors.
5 , 3 , 59 , 79 , 63 , 845 , 8296 , 6463 , 66237 , 97704 , 830511 , 307360 , 6522348 , 4472899 , 89623886 , 4212214 , 482153449 , 820632001 , 1539497256 , 679702145
n×2
259321292
n×3
388981938
n×4
518642584
n×5
648303230
n÷2
64830323
n÷3
43220215.333333
n÷3
32415161.5
n÷5
25932129.2
n2
16811883121137316
n3
2.1798396259632E+24
n4
2.8263941407878E+32
n5
3.6647209014516E+40
2 √n
11386.862869114
3 √n
506.13852331818
4 √n
106.70924453445
5 √n
41.933550565075
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
-129660645
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 129660646 can be divided by 8 positive divisors.
The sum of these divisors (counting 129660646) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110100111011011100110
3
Ternary
100000222102222011
4
Quaternary
13232213123212
5
Quinary
231143120041
6
Senary
20511024434
8
Octal
756473346
10
Decimal
129660646
12
Duodecimal
3750b11a
16
Hexadecimal
7ba76e6
20
Vigesimal
20a7bc6
36
Base36
2572sm
md5
895d6c3d3e37c50cfcb8311ea8de1894
sha1
ceb70f8dadc177df22929c830a5f4cffe1b1b856
sha256
ed5cd79f5e7b2d5b0ccfa9857d12e2de17031e28013be9d2959bf4c059ba16a6
sha512
4b7b39526b6c1ef6775cf02677bc066f6212096cefbcda3d3246250c3bc9ff5a459f3f946d0398c4495555d5deb33296148b69ff1a5935f148a32fae247cdf0e
ripemd-160
860380191e943082afe44e65e234827efb8d6d4f
Diameter
259321292
Circumference
814681865.86661
Area
5.2816088506375E+16
Volume
9.1308908732397E+24
Surface area
2.112643540255E+17
Circumference
814681865.86661
Perimeter
518642584
Area
16811883121137316
Diagonal
183367844.07926
Surface area
100871298726823896
Volume
2.1798396259632E+24
Space diagonal
224578826.6142
Perimeter
388981938
Area
7.2797589341799E+15
Altitude
112289413.3071
Surface area
7.2797589341799E+15
Volume
2.5689656356962E+23
Height
61122614.693086