129291808 is an even 9-digits composite number following 129291807
and preceding 129291809 . In scientific notation, it is written as 1.29291808 × 10^8.
The sum of its digits is 40. It has a total of 7 prime factors and 24 positive divisors.
There are 61243200 positive integers (up to 129291808) that are relatively prime to 129291808.
129291808 has 24 divisors, whose sum is 267941520
The reverse of 129291808 is 808192921
Previous prime number is 19
Is Prime? no Number parity even Number length 9 Sum of Digits 40 Digital Root 4
Name
one hundred twenty-nine million two hundred ninety-one thousand eight hundred eight
Scientific notation
1.29291808 × 10^8
Engineering notation
1.29291808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 19 × 212651
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
7 Total number of prime factors
rad Radical
8080738 Product of the distinct prime numbers
The prime factorization of 129291808 is 2 × 2 × 2 × 2 × 2 × 19 × 212651.
Since it has a total of 7 prime factors.
4 , 1 , 81 , 32 , 487 , 616 , 4983 , 1706 , 70780 , 27970 , 202153 , 584288 , 9236960 , 2097060 , 91393213 , 40083199 , 533259623 , 82682843 , 2492882232 , 1933274257
n×2
258583616
n×3
387875424
n×4
517167232
n×5
646459040
n÷2
64645904
n÷3
43097269.333333
n÷3
32322952
n÷5
25858361.6
n2
16716371615908864
n3
2.1612899094207E+24
n4
2.7943708000116E+32
n5
3.6128925295591E+40
2 √n11370.655565973
3 √n505.65814004539
4 √n106.63327607259
5 √n41.909666192495
1 , 2 , 4 , 8 , 16 , 19 , 32 , 38 , 76 , 152 , 304 , 608 , 212651 , 425302 , 850604 , 1701208 , 3402416 , 4040369 , 6804832 , 8080738 , 16161476 , 32322952 , 64645904 , 129291808
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
-129291807 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 129291808 can be divided by 24 positive divisors.
The sum of these divisors (counting 129291808) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101101001101011000100000
3
Ternary
100000021201000111
4
Quaternary
13231031120200
5
Quinary
231044314213
6
Senary
20455101104
8
Octal
755153040
10
Decimal
129291808
12
Duodecimal
37371794
16
Hexadecimal
7b4d620
20
Vigesimal
20819a8
36
Base36
24z674
md5
b28a0af425370604218759cdcfd6e306
sha1
d25b38f6f9474391b421b28a6596bf423e254e65
sha256
08bc66fb6099be4f658b20feca35115ef4284f6e51a35fe18c6052320b8de805
sha512
1ca305b99df0c79881fa79d1833c742b16cc8f609a92df17490aa1b46965736182ed5f8b57ebc3672586804bb2fdeb8c7aeccd7a8e01dcd9cc8af4462b0a6666
ripemd-160
7863c88a14bc24b681bee2605b6c6736d3b708a5
Diameter
258583616
Circumference
812364388.36428
Area
5.2516030263216E+16
Volume
9.0531900022853E+24
Surface area
2.1006412105286E+17
Circumference
812364388.36428
Perimeter
517167232
Area
16716371615908864
Diagonal
182846228.37734
Surface area
100298229695453184
Volume
2.1612899094207E+24
Space diagonal
223939980.45844
Perimeter
387875424
Area
7.2384012392391E+15
Altitude
111969990.22922
Surface area
7.2384012392391E+15
Volume
2.5471045851024E+23
Height
60948742.792446