129121826 is an even 9-digits composite number following 129121825
and preceding 129121827 . In scientific notation, it is written as 1.29121826 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 64096308 positive integers (up to 129121826) that are relatively prime to 129121826.
129121826 has 8 divisors, whose sum is 195076560
The reverse of 129121826 is 628121921
Previous prime number is 139
Is Prime? no Number parity even Number length 9 Sum of Digits 32 Digital Root 5
Name
one hundred twenty-nine million one hundred twenty-one thousand eight hundred twenty-six
Scientific notation
1.29121826 × 10^8
Engineering notation
1.29121826 × 10^6
Prime Factorization
2 × 139 × 464467
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
129121826 Product of the distinct prime numbers
The prime factorization of 129121826 is 2 × 139 × 464467.
Since it has a total of 3 prime factors.
4 , 6 , 99 , 51 , 885 , 144 , 6986 , 4409 , 87975 , 22689 , 739663 , 349156 , 7932541 , 5516249 , 33902939 , 68015710 , 685047449 , 672867549 , 8746345183 , 24718082
n×2
258243652
n×3
387365478
n×4
516487304
n×5
645609130
n÷2
64560913
n÷3
43040608.666667
n÷3
32280456.5
n÷5
25824365.2
n2
16672445949574276
n3
2.1527766648953E+24
n4
2.7797045394148E+32
n5
3.5892052586972E+40
2 √n11363.178516595
3 √n505.43644392336
4 √n106.59821066319
5 √n41.898640531546
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
-129121825 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 129121826 can be divided by 8 positive divisors.
The sum of these divisors (counting 129121826) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100011111000100010
3
Ternary
22222222001211212
4
Quaternary
13230203320202
5
Quinary
231023344301
6
Senary
20451310122
8
Octal
754437042
10
Decimal
129121826
12
Duodecimal
372ab342
16
Hexadecimal
7b23e22
20
Vigesimal
20704b6
36
Base36
24vj1e
md5
a793a7cbd4cc6e5e7377a2287f66d7e2
sha1
c2ab9a771f3185451cd2c61cd6f770060654cac1
sha256
44d49dfc3bc875a82250928b99cbf0e286a06c536016d091f23a1ce00e517daa
sha512
ce929bcd3c1ab7f5a9d1787e4e6277a6d6338383f033e2781c2711023a18aea64bdf2168fab6c52c9f027c2b63f0fccd81896cbd98a7c314b7ae8afb0c3f0af6
ripemd-160
dbe8a0d1765c249fae6dcf97cad607cfcb8bb3c9
Diameter
258243652
Circumference
811296359.9594
Area
5.2378033712555E+16
Volume
9.0175298070063E+24
Surface area
2.0951213485022E+17
Circumference
811296359.9594
Perimeter
516487304
Area
16672445949574276
Diagonal
182605837.52758
Surface area
100034675697445656
Volume
2.1527766648953E+24
Space diagonal
223645562.99807
Perimeter
387365478
Area
7.2193808677771E+15
Altitude
111822781.49903
Surface area
7.2193808677771E+15
Volume
2.5370716302128E+23
Height
60868612.509193