129986784 is an even 9-digits composite number following 129986783
and preceding 129986785 . In scientific notation, it is written as 1.29986784 × 10^8.
The sum of its digits is 54. It has a total of 7 prime factors and 24 positive divisors.
There are 43328832 positive integers (up to 129986784) that are relatively prime to 129986784.
129986784 has 24 divisors, whose sum is 284346720
The reverse of 129986784 is 487689921
Previous prime number is 9
Is Prime? no Number parity even Number length 9 Sum of Digits 54 Digital Root 9
Name
one hundred twenty-nine million nine hundred eighty-six thousand seven hundred eighty-four
Scientific notation
1.29986784 × 10^8
Engineering notation
1.29986784 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 9 × 451343
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
7 Total number of prime factors
rad Radical
8124174 Product of the distinct prime numbers
The prime factorization of 129986784 is 2 × 2 × 2 × 2 × 2 × 9 × 451343.
Since it has a total of 7 prime factors.
2 , 5 , 20 , 77 , 498 , 250 , 1429 , 8196 , 27041 , 84591 , 687131 , 756546 , 1592576 , 893395 , 63798750 , 79485770 , 25048698 , 304568219 , 2986354405 , 3202873917
n×2
259973568
n×3
389960352
n×4
519947136
n×5
649933920
n÷2
64993392
n÷3
43328928
n÷3
32496696
n÷5
25997356.8
n2
16896564014662656
n3
2.1963300169161E+24
n4
2.8549387550159E+32
n5
3.7110430728148E+40
2 √n11401.174676322
3 √n506.56253477105
4 √n106.77628330449
5 √n41.954624631161
1 , 2 , 4 , 8 , 9 , 16 , 18 , 32 , 36 , 72 , 144 , 288 , 451343 , 902686 , 1805372 , 3610744 , 4062087 , 7221488 , 8124174 , 14442976 , 16248348 , 32496696 , 64993392 , 129986784
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
-129986783 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 129986784 can be divided by 24 positive divisors.
The sum of these divisors (counting 129986784) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101111110111000011100000
3
Ternary
100001121000100100
4
Quaternary
13233313003200
5
Quinary
231234034114
6
Senary
20522022400
8
Octal
757670340
10
Decimal
129986784
12
Duodecimal
37647a00
16
Hexadecimal
7bf70e0
20
Vigesimal
20c86j4
36
Base36
25e2g0
md5
72d86344e1c718dcc3a791f185976a76
sha1
62e409e2278e00153b2857f08be2132d80ec48d9
sha256
14e0431ef4375095f4bfce046bae990589eb72b2d1ddc8d3688dbe8d82c59455
sha512
21de824fc014ca6c172cea279a04ef8c26628446dc0ff91b5dfa46eca134ead25531d66baa8bec01edb0cff2347c34646622580dd98ba9a66c81e98477f5e92d
ripemd-160
f141a141a2b8256a391ff327a5e1122e75a87ce0
Diameter
259973568
Circumference
816731051.35633
Area
5.3082121379374E+16
Volume
9.1999656613366E+24
Surface area
2.123284855175E+17
Circumference
816731051.35633
Perimeter
519947136
Area
16896564014662656
Diagonal
183829072.86206
Surface area
101379384087975936
Volume
2.1963300169161E+24
Space diagonal
225143714.20048
Perimeter
389960352
Area
7.3164268366839E+15
Altitude
112571857.10024
Surface area
7.3164268366839E+15
Volume
2.5883997478083E+23
Height
61276357.620687