129968587 is an odd 9-digits composite number following 129968586
and preceding 129968588 . In scientific notation, it is written as 1.29968587 × 10^8.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 104848512 positive integers (up to 129968587) that are relatively prime to 129968587.
129968587 has 8 divisors, whose sum is 157273056
The reverse of 129968587 is 785869921
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred twenty-nine million nine hundred sixty-eight thousand five hundred eighty-seven
Scientific notation
1.29968587 × 10^8
Engineering notation
1.29968587 × 10^6
Prime Factorization
17 × 7 × 1092173
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129968587
Product of the distinct prime numbers
The prime factorization of 129968587 is 17 × 7 × 1092173.
Since it has a total of 3 prime factors.
10 , 1 , 64 , 67 , 905 , 305 , 9951 , 4004 , 23648 , 58897 , 159099 , 617354 , 5085252 , 3352489 , 26724333 , 2583979 , 564445653 , 890323205 , 3327163217 , 4779296194
n×2
259937174
n×3
389905761
n×4
519874348
n×5
649842935
n÷2
64984293.5
n÷3
43322862.333333
n÷3
32492146.75
n÷5
25993717.4
n2
16891833606776569
n3
2.1954077457119E+24
n4
2.8533404259903E+32
n5
3.7084462339593E+40
2 √n
11400.376616586
3 √n
506.53889557651
4 √n
106.7725461745
5 √n
41.953449910109
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
-129968586
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 129968587 can be divided by 8 positive divisors.
The sum of these divisors (counting 129968587) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101111110010100111001011
3
Ternary
100001120002101101
4
Quaternary
13233302213023
5
Quinary
231232443322
6
Senary
20521402231
8
Octal
757624713
10
Decimal
129968587
12
Duodecimal
37639377
16
Hexadecimal
7bf29cb
20
Vigesimal
20c6197
36
Base36
25doej
md5
37ac73d1b5c6fd90ee2e6c202e9c807c
sha1
7d47e3ae000e3289cd21e399dbc3f77bfe7ac0f1
sha256
f8ac250a4a68f29595e18822dbf6b7dda7ee34440f0f82807b2d8b859bf87f77
sha512
9a36616f2bc7439aef78008151a45434a5f6d15f12084ef723a36082cf6e32ff46b84229df0baeb1952616fad8c57e21e88dcba28434f26e09e673b9435e0431
ripemd-160
2086b96b506acbe33211c5a9df2af4e7d83c87d0
Diameter
259937174
Circumference
816616716.23329
Area
5.306726036471E+16
Volume
9.19610246075E+24
Surface area
2.1226904145884E+17
Circumference
816616716.23329
Perimeter
519874348
Area
16891833606776569
Diagonal
183803338.41787
Surface area
101351001640659414
Volume
2.1954077457119E+24
Space diagonal
225112196.07194
Perimeter
389905761
Area
7.3143785099841E+15
Altitude
112556098.03597
Surface area
7.3143785099841E+15
Volume
2.5873128407706E+23
Height
61267779.472623