129379812 is an even 9-digits composite number following 129379811
and preceding 129379813 . In scientific notation, it is written as 1.29379812 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 43126600 positive integers (up to 129379812) that are relatively prime to 129379812.
129379812 has 12 divisors, whose sum is 301886256
The reverse of 129379812 is 218973921
Previous prime number is 3
Is Prime? no Number parity even Number length 9 Sum of Digits 42 Digital Root 6
Name
one hundred twenty-nine million three hundred seventy-nine thousand eight hundred twelve
Scientific notation
1.29379812 × 10^8
Engineering notation
1.29379812 × 10^6
Prime Factorization
2 × 2 × 3 × 10781651
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
64689906 Product of the distinct prime numbers
The prime factorization of 129379812 is 2 × 2 × 3 × 10781651.
Since it has a total of 4 prime factors.
5 , 9 , 68 , 28 , 598 , 67 , 3489 , 5817 , 98039 , 75524 , 274302 , 418907 , 8329335 , 2998540 , 17688449 , 71728378 , 874982255 , 567216101 , 7455701237 , 8768785371
n×2
258759624
n×3
388139436
n×4
517519248
n×5
646899060
n÷2
64689906
n÷3
43126604
n÷3
32344953
n÷5
25875962.4
n2
16739135753155344
n3
2.1657062367857E+24
n4
2.8019866576256E+32
n5
3.6252050699011E+40
2 √n11374.524693366
3 √n505.77284142513
4 √n106.65141674336
5 √n41.915369901893
1 , 2 , 3 , 4 , 6 , 12 , 10781651 , 21563302 , 32344953 , 43126604 , 64689906 , 129379812
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
-129379811 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 129379812 can be divided by 12 positive divisors.
The sum of these divisors (counting 129379812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101101100010110111100100
3
Ternary
100000110011201220
4
Quaternary
13231202313210
5
Quinary
231110123222
6
Senary
20501020340
8
Octal
755426744
10
Decimal
129379812
12
Duodecimal
373b46b0
16
Hexadecimal
7b62de4
20
Vigesimal
208c9ac
36
Base36
25123o
md5
5f86fa052e73182623e7295906af6537
sha1
fc09337c1ad017c0cb11c172f00263b689301b10
sha256
9d5f94a61debfc6902b8c80dd215e1bd1a614fea6c6cb5b045178148260e6ffa
sha512
4d24f63aac3b5c76457f2d36a621b68480cb43b01337f2e76600de0a894bb2f3dbe47d3b79f34095fd60e2f727062f925f82a876759f8b9eb453f5b66281e5d6
ripemd-160
027261e3ec918910e4fc013e4c9a0b4e543a53ed
Diameter
258759624
Circumference
812917333.80406
Area
5.2587545909555E+16
Volume
9.0716890710928E+24
Surface area
2.1035018363822E+17
Circumference
812917333.80406
Perimeter
517519248
Area
16739135753155344
Diagonal
182970684.82768
Surface area
100434814518932064
Volume
2.1657062367857E+24
Space diagonal
224092407.85771
Perimeter
388139436
Area
7.2482583998144E+15
Altitude
112046203.92885
Surface area
7.2482583998144E+15
Volume
2.5523092768153E+23
Height
60990228.275894