129856688 is an even 9-digits composite number following 129856687
and preceding 129856689 . In scientific notation, it is written as 1.29856688 × 10^8.
The sum of its digits is 53. It has a total of 6 prime factors and 20 positive divisors.
There are 59933760 positive integers (up to 129856688) that are relatively prime to 129856688.
129856688 has 20 divisors, whose sum is 270951408
The reverse of 129856688 is 886658921
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred twenty-nine million eight hundred fifty-six thousand six hundred eighty-eight
Scientific notation
1.29856688 × 10^8
Engineering notation
1.29856688 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 13 × 624311
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16232086
Product of the distinct prime numbers
The prime factorization of 129856688 is 2 × 2 × 2 × 2 × 13 × 624311.
Since it has a total of 6 prime factors.
9 , 10 , 75 , 99 , 894 , 861 , 5626 , 780 , 79759 , 56359 , 72733 , 601848 , 7203111 , 5974335 , 43239033 , 92129902 , 908584296 , 816289529 , 3084557039 , 1029407407
n×2
259713376
n×3
389570064
n×4
519426752
n×5
649283440
n÷2
64928344
n÷3
43285562.666667
n÷3
32464172
n÷5
25971337.6
n2
16862759418329344
n3
2.1897420886051E+24
n4
2.8435265520046E+32
n5
3.6925094028337E+40
2 √n
11395.467871044
3 √n
506.39348230936
4 √n
106.74955677212
5 √n
41.946223292076
1 , 2 , 4 , 8 , 13 , 16 , 26 , 52 , 104 , 208 , 624311 , 1248622 , 2497244 , 4994488 , 8116043 , 9988976 , 16232086 , 32464172 , 64928344 , 129856688
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129856687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129856688 can be divided by 20 positive divisors.
The sum of these divisors (counting 129856688) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101111010111010010110000
3
Ternary
100001100101212222
4
Quaternary
13233113102300
5
Quinary
231220403223
6
Senary
20515140212
8
Octal
757272260
10
Decimal
129856688
12
Duodecimal
375a4668
16
Hexadecimal
7bd74b0
20
Vigesimal
20bc1e8
36
Base36
25ba28
md5
00c9603a3965af38e700cbb2ddf82c9b
sha1
a252f0731a8bad51a09e7b946a28f6d3070de37f
sha256
775756fcba2c1664c9eb5ae003a214b0e2ab41a6a343561f82d35c32c4c4cae6
sha512
374d7fbe860d18d31089a0f7046e4197cbfd4005c496dabc3b30cb7e68bc45662172720697756153443e5748916e86cf889b6714294e78a68a070d0a601aaa93
ripemd-160
78f1ea1551382d65ff1f565471762ecbc8a1805a
Diameter
259713376
Circumference
815913634.0806
Area
5.2975921107876E+16
Volume
9.1723702117573E+24
Surface area
2.119036844315E+17
Circumference
815913634.0806
Perimeter
519426752
Area
16862759418329344
Diagonal
183645089.33445
Surface area
101176556509976064
Volume
2.1897420886051E+24
Space diagonal
224918381.31862
Perimeter
389570064
Area
7.3017890170893E+15
Altitude
112459190.65931
Surface area
7.3017890170893E+15
Volume
2.580635799837E+23
Height
61215029.778151