129287612 is an even 9-digits composite number following 129287611
and preceding 129287613 . In scientific notation, it is written as 1.29287612 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 64308480 positive integers (up to 129287612) that are relatively prime to 129287612.
129287612 has 12 divisors, whose sum is 227426976
The reverse of 129287612 is 216782921
Previous prime number is 193
Is Prime? no Number parity even Number length 9 Sum of Digits 38 Digital Root 2
Name
one hundred twenty-nine million two hundred eighty-seven thousand six hundred twelve
Scientific notation
1.29287612 × 10^8
Engineering notation
1.29287612 × 10^6
Prime Factorization
2 × 2 × 193 × 167471
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
64643806 Product of the distinct prime numbers
The prime factorization of 129287612 is 2 × 2 × 193 × 167471.
Since it has a total of 4 prime factors.
5 , 4 , 57 , 23 , 337 , 251 , 7887 , 2204 , 62266 , 71955 , 856711 , 766908 , 219417 , 6132850 , 28744276 , 21455365 , 946386414 , 201426785 , 8048429557 , 9157274797
n×2
258575224
n×3
387862836
n×4
517150448
n×5
646438060
n÷2
64643806
n÷3
43095870.666667
n÷3
32321903
n÷5
25857522.4
n2
16715286616662544
n3
2.1610794905639E+24
n4
2.7940080667718E+32
n5
3.6123063086166E+40
2 √n11370.471054446
3 √n505.65266982382
4 √n106.63241090047
5 √n41.909394164058
1 , 2 , 4 , 193 , 386 , 772 , 167471 , 334942 , 669884 , 32321903 , 64643806 , 129287612
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129287611 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129287612 can be divided by 12 positive divisors.
The sum of these divisors (counting 129287612) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101101001100010110111100
3
Ternary
100000021111021002
4
Quaternary
13231030112330
5
Quinary
231044200422
6
Senary
20455025432
8
Octal
755142674
10
Decimal
129287612
12
Duodecimal
3736b278
16
Hexadecimal
7b4c5bc
20
Vigesimal
2080j0c
36
Base36
24z2yk
md5
6ef64b504d4cbb9ebf08c724a6175ff7
sha1
db94cb18d9dfaad705206c52028756fb24493e20
sha256
f21899769a6955a80df191751b869db84827b3585efa24186551b07e460dc64a
sha512
7b569b48e1a29f9fead4a8de6c0369d2fadf74f3aa88899b134cd4f7fd500f48a2593fe74a673460c97ad5ab6fde541b9423bfaf96a53758e0ff6b691b534a5e
ripemd-160
ccfdb3505245ba4475d33f18eb305a6e38ec82a1
Diameter
258575224
Circumference
812338024.11874
Area
5.2512621637555E+16
Volume
9.0523086018387E+24
Surface area
2.1005048655022E+17
Circumference
812338024.11874
Perimeter
517150448
Area
16715286616662544
Diagonal
182840294.33723
Surface area
100291719699975264
Volume
2.1610794905639E+24
Space diagonal
223932712.77325
Perimeter
387862836
Area
7.2379314207839E+15
Altitude
111966356.38663
Surface area
7.2379314207839E+15
Volume
2.5468566041015E+23
Height
60946764.779077