129786688 is an even 9-digits composite number following 129786687
and preceding 129786689 . In scientific notation, it is written as 1.29786688 × 10^8.
The sum of its digits is 55. It has a total of 8 prime factors and 28 positive divisors.
There are 64650240 positive integers (up to 129786688) that are relatively prime to 129786688.
129786688 has 28 divisors, whose sum is 258510532
The reverse of 129786688 is 886687921
Previous prime number is 277
Is Prime? no Number parity even Number length 9 Sum of Digits 55 Digital Root 1
Name
one hundred twenty-nine million seven hundred eighty-six thousand six hundred eighty-eight
Scientific notation
1.29786688 × 10^8
Engineering notation
1.29786688 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 277 × 7321
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
8 Total number of prime factors
rad Radical
4055834 Product of the distinct prime numbers
The prime factorization of 129786688 is 2 × 2 × 2 × 2 × 2 × 2 × 277 × 7321.
Since it has a total of 8 prime factors.
3 , 10 , 88 , 46 , 850 , 889 , 5691 , 7122 , 90343 , 9911 , 880062 , 33198 , 2168497 , 3177674 , 78523262 , 25026172 , 530417692 , 861048474 , 1610270822 , 319701570
n×2
259573376
n×3
389360064
n×4
519146752
n×5
648933440
n÷2
64893344
n÷3
43262229.333333
n÷3
32446672
n÷5
25957337.6
n2
16844584382009344
n3
2.1862028176775E+24
n4
2.8374002300263E+32
n5
3.6825677838556E+40
2 √n11392.396060531
3 √n506.30247450782
4 √n106.73516787138
5 √n41.941700045721
1 , 2 , 4 , 8 , 16 , 32 , 64 , 277 , 554 , 1108 , 2216 , 4432 , 7321 , 8864 , 14642 , 17728 , 29284 , 58568 , 117136 , 234272 , 468544 , 2027917 , 4055834 , 8111668 , 16223336 , 32446672 , 64893344 , 129786688
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
-129786687 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 129786688 can be divided by 28 positive divisors.
The sum of these divisors (counting 129786688) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
111101111000110001101000000
3
Ternary
100001012211212101
4
Quaternary
13233012031000
5
Quinary
231211133223
6
Senary
20513440144
8
Octal
757061500
10
Decimal
129786688
12
Duodecimal
37570054
16
Hexadecimal
7bc6340
20
Vigesimal
20b36e8
36
Base36
259s1s
md5
c80aa320dc239472c8ef703892220e78
sha1
437dda4d415138365df4d3c53b0fae8fb9a832d4
sha256
a7352fe21568b676d8bdcb7f76ad08bea16d89a7191ba3c554c02aebafb0d277
sha512
5aea74ed57b06c473aaf03a3330895b040e05c22fbd4183cb8067af39c3654929851879ddf89380fd3c6d63ae8de31e3dd0054bb4cb38de961630b804ac27067
ripemd-160
4d9d750af6e24823d19fba013252dd15f5668daa
Diameter
259573376
Circumference
815473811.1091
Area
5.2918822547294E+16
Volume
9.157544948364E+24
Surface area
2.1167529018918E+17
Circumference
815473811.1091
Perimeter
519146752
Area
16844584382009344
Diagonal
183546094.38509
Surface area
101067506292056064
Volume
2.1862028176775E+24
Space diagonal
224797137.76209
Perimeter
389360064
Area
7.2939189955053E+15
Altitude
112398568.88104
Surface area
7.2939189955053E+15
Volume
2.5764647290482E+23
Height
61182031.461695