129291812 is an even 9-digits composite number following 129291811
and preceding 129291813 . In scientific notation, it is written as 1.29291812 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 59673120 positive integers (up to 129291812) that are relatively prime to 129291812.
129291812 has 12 divisors, whose sum is 243665436
The reverse of 129291812 is 218192921
Previous prime number is 13
Is Prime? no Number parity even Number length 9 Sum of Digits 35 Digital Root 8
Name
one hundred twenty-nine million two hundred ninety-one thousand eight hundred twelve
Scientific notation
1.29291812 × 10^8
Engineering notation
1.29291812 × 10^6
Prime Factorization
2 × 2 × 13 × 2486381
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
64645906 Product of the distinct prime numbers
The prime factorization of 129291812 is 2 × 2 × 13 × 2486381.
Since it has a total of 4 prime factors.
3 , 4 , 94 , 57 , 641 , 96 , 880 , 1157 , 14951 , 17562 , 737269 , 116554 , 5181436 , 9362416 , 83790009 , 10352402 , 722966659 , 848335470 , 3950374794 , 4594617739
n×2
258583624
n×3
387875436
n×4
517167248
n×5
646459060
n÷2
64645906
n÷3
43097270.666667
n÷3
32322953
n÷5
25858362.4
n2
16716372650243344
n3
2.1612901100172E+24
n4
2.794371145818E+32
n5
3.6128930884333E+40
2 √n11370.655741865
3 √n505.65814526003
4 √n106.63327689734
5 √n41.909666451813
1 , 2 , 4 , 13 , 26 , 52 , 2486381 , 4972762 , 9945524 , 32322953 , 64645906 , 129291812
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
-129291811 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 129291812 can be divided by 12 positive divisors.
The sum of these divisors (counting 129291812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101101001101011000100100
3
Ternary
100000021201000122
4
Quaternary
13231031120210
5
Quinary
231044314222
6
Senary
20455101112
8
Octal
755153044
10
Decimal
129291812
12
Duodecimal
37371798
16
Hexadecimal
7b4d624
20
Vigesimal
20819ac
36
Base36
24z678
md5
acf57a1472203494de01823b050f2f61
sha1
2fa65a36764491fd08f009635ddaee3ce474ef10
sha256
39e6fc61ed9197402a224d6ea67d5622f110d9fd778f63f948198c8d3c9f829e
sha512
177bc50401c497786e373cf2ff54c891a903a1df0ff29a2ac1ee77649b3616cb9e92ad9bdb05520d8a9ce2040625f0bec38e52fa4e5cedfe1e5c51668ad9a735
ripemd-160
7260be5cbdcb052f6dfb49bc68ed5d8611fcd15e
Diameter
258583624
Circumference
812364413.49703
Area
5.2516033512674E+16
Volume
9.0531908425418E+24
Surface area
2.100641340507E+17
Circumference
812364413.49703
Perimeter
517167248
Area
16716372650243344
Diagonal
182846234.03419
Surface area
100298235901460064
Volume
2.1612901100172E+24
Space diagonal
223939987.38664
Perimeter
387875436
Area
7.2384016871191E+15
Altitude
111969993.69332
Surface area
7.2384016871191E+15
Volume
2.5471048215076E+23
Height
60948744.678064