129642688 is an even 9-digits composite number following 129642687
and preceding 129642689 . In scientific notation, it is written as 1.29642688 × 10^8.
The sum of its digits is 46. It has a total of 8 prime factors and 28 positive divisors.
There are 55560960 positive integers (up to 129642688) that are relatively prime to 129642688.
129642688 has 28 divisors, whose sum is 294012112
The reverse of 129642688 is 886246921
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred twenty-nine million six hundred forty-two thousand six hundred eighty-eight
Scientific notation
1.29642688 × 10^8
Engineering notation
1.29642688 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 7 × 289381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
4051334
Product of the distinct prime numbers
The prime factorization of 129642688 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 289381.
Since it has a total of 8 prime factors.
9 , 3 , 61 , 25 , 113 , 601 , 6507 , 9178 , 81465 , 72362 , 956527 , 91875 , 3360801 , 9198044 , 10377251 , 95421813 , 699214997 , 881366092 , 5977939716 , 6490569652
n×2
259285376
n×3
388928064
n×4
518570752
n×5
648213440
n÷2
64821344
n÷3
43214229.333333
n÷3
32410672
n÷5
25928537.6
n2
16807226551865344
n3
2.1789340280088E+24
n4
2.8248286436573E+32
n5
3.6621837850312E+40
2 √n
11386.074301532
3 √n
506.11515551015
4 √n
106.70554953484
5 √n
41.932388941334
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 32 , 56 , 64 , 112 , 224 , 448 , 289381 , 578762 , 1157524 , 2025667 , 2315048 , 4051334 , 4630096 , 8102668 , 9260192 , 16205336 , 18520384 , 32410672 , 64821344 , 129642688
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129642687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129642688 can be divided by 28 positive divisors.
The sum of these divisors (counting 129642688) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
111101110100011000011000000
3
Ternary
100000221112100001
4
Quaternary
13232203003000
5
Quinary
231142031223
6
Senary
20510405344
8
Octal
756430300
10
Decimal
129642688
12
Duodecimal
37500854
16
Hexadecimal
7ba30c0
20
Vigesimal
20a56e8
36
Base36
256oxs
md5
521e0c18c9a1a3aae350ac17861f88aa
sha1
92710f4ff2461b6509d72f07c4a7e41535fc3ab9
sha256
763a23274b65af2cf43f5fd32c86cee7ecdde5d12d0ad05fb3f420cdf996f5f7
sha512
07251fe722d5faf05b3bf96599fdc34725edc9f5f240419e5646f2d911876bf6446109059bcb008b786805965509713f3ede8ef6c39362063ce0a442343fe3fd
ripemd-160
f1e64008f08dd02783c9177faf2625e09090af6c
Diameter
259285376
Circumference
814569032.42487
Area
5.2801459462559E+16
Volume
9.127097513399E+24
Surface area
2.1120583785024E+17
Circumference
814569032.42487
Perimeter
518570752
Area
16807226551865344
Diagonal
183342447.6321
Surface area
100843359311192064
Volume
2.1789340280088E+24
Space diagonal
224547722.4458
Perimeter
388928064
Area
7.2777425805379E+15
Altitude
112273861.2229
Surface area
7.2777425805379E+15
Volume
2.5678983782719E+23
Height
61114149.210701