129660640 is an even 9-digits composite number following 129660639
and preceding 129660641 . In scientific notation, it is written as 1.29660640 × 10^8.
The sum of its digits is 34. It has a total of 7 prime factors and 24 positive divisors.
There are 51864192 positive integers (up to 129660640) that are relatively prime to 129660640.
129660640 has 24 divisors, whose sum is 306323640
The reverse of 129660640 is 046066921
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-nine million six hundred sixty thousand six hundred forty
Scientific notation
1.29660640 × 10^8
Engineering notation
1.29660640 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 5 × 810379
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
8103790
Product of the distinct prime numbers
The prime factorization of 129660640 is 2 × 2 × 2 × 2 × 2 × 5 × 810379.
Since it has a total of 7 prime factors.
2 , 6 , 19 , 5 , 440 , 756 , 8391 , 4905 , 27841 , 44834 , 69139 , 884222 , 6733551 , 3624711 , 3233625 , 82655403 , 70962625 , 152059281 , 636095953 , 9866219183
n×2
259321280
n×3
388981920
n×4
518642560
n×5
648303200
n÷2
64830320
n÷3
43220213.333333
n÷3
32415160
n÷5
25932128
n2
16811881565209600
n3
2.1798393233493E+24
n4
2.8263936176263E+32
n5
3.6647200535335E+40
2 √n
11386.862605652
3 √n
506.13851551105
4 √n
106.70924329997
5 √n
41.933550176983
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 32 , 40 , 80 , 160 , 810379 , 1620758 , 3241516 , 4051895 , 6483032 , 8103790 , 12966064 , 16207580 , 25932128 , 32415160 , 64830320 , 129660640
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129660639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129660640 can be divided by 24 positive divisors.
The sum of these divisors (counting 129660640) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101110100111011011100000
3
Ternary
100000222102221221
4
Quaternary
13232213123200
5
Quinary
231143120030
6
Senary
20511024424
8
Octal
756473340
10
Decimal
129660640
12
Duodecimal
3750b114
16
Hexadecimal
7ba76e0
20
Vigesimal
20a7bc0
36
Base36
2572sg
md5
7f8e1c0893b1b4c5a9b87256dfe78c4c
sha1
736046b0b7f83d0d7b4b0ed425819a02ad7f0a7f
sha256
bfd138d0d5d48914fa166fb9bf708f09730ed7f1f7e27ab6ece5f0a55bf370c9
sha512
f507e6b70cf4ca06447dcbd2d768581f52c80b3102cc65dd8ef317d8d70ce11d2b680f909b0816051490fd54598d800ec14e44f9f57fc25400fa85451c5771fc
ripemd-160
a92fee594f912c3ca7a93f5132c5eaf772b27ca7
Diameter
259321280
Circumference
814681828.1675
Area
5.2816083618284E+16
Volume
9.1308896056537E+24
Surface area
2.1126433447314E+17
Circumference
814681828.1675
Perimeter
518642560
Area
16811881565209600
Diagonal
183367835.59398
Surface area
100871289391257600
Volume
2.1798393233493E+24
Space diagonal
224578816.2219
Perimeter
388981920
Area
7.2797582604434E+15
Altitude
112289408.11095
Surface area
7.2797582604434E+15
Volume
2.5689652790623E+23
Height
61122611.864658