129409818 is an even 9-digits composite number following 129409817
and preceding 129409819 . In scientific notation, it is written as 1.29409818 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 42717600 positive integers (up to 129409818) that are relatively prime to 129409818.
129409818 has 16 divisors, whose sum is 261333696
The reverse of 129409818 is 818904921
Previous prime number is 103
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million four hundred nine thousand eight hundred eighteen
Scientific notation
1.29409818 × 10^8
Engineering notation
1.29409818 × 10^6
Prime Factorization
2 × 3 × 103 × 209401
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129409818
Product of the distinct prime numbers
The prime factorization of 129409818 is 2 × 3 × 103 × 209401.
Since it has a total of 4 prime factors.
2 , 10 , 30 , 51 , 685 , 744 , 1158 , 727 , 56676 , 27569 , 826229 , 173324 , 773492 , 6131356 , 77078494 , 68085507 , 438533411 , 5532898 , 2136852487 , 1728970860
n×2
258819636
n×3
388229454
n×4
517639272
n×5
647049090
n÷2
64704909
n÷3
43136606
n÷3
32352454.5
n÷5
25881963.6
n2
16746900994793124
n3
2.1672134098002E+24
n4
2.804586929294E+32
n5
3.6294108408512E+40
2 √n
11375.843617069
3 √n
505.8119383202
4 √n
106.657599903
5 √n
41.917313939235
1 , 2 , 3 , 6 , 103 , 206 , 309 , 618 , 209401 , 418802 , 628203 , 1256406 , 21568303 , 43136606 , 64704909 , 129409818
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129409817
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129409818 can be divided by 16 positive divisors.
The sum of these divisors (counting 129409818) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101101010001100011010
3
Ternary
100000111200220020
4
Quaternary
13231222030122
5
Quinary
231112103233
6
Senary
20501411310
8
Octal
755521432
10
Decimal
129409818
12
Duodecimal
37409b36
16
Hexadecimal
7b6a31a
20
Vigesimal
208g4ai
36
Base36
251p96
md5
ddf793e83cc67990ebfb646560935b00
sha1
cdd8953e95ccfc23b32f6d1ed8a6337e6cb3392f
sha256
2fb595bf8abaeba34a32439436e475bb70baec4bbe0f7bde8af3e70a5175c991
sha512
437ade96177773d2a73af7e0f90344ebc52112c3e2bb69120b8649ab36b6e68eeeb2e290644403754bcc1e7fdf40e0e632cc1d2cabcd0d8c04123c6c4117ce9f
ripemd-160
04bbf2e3b88ff88e512ce6e12fa0e4fe1ae00231
Diameter
258819636
Circumference
813105867.06238
Area
5.2611941135638E+16
Volume
9.0780023026528E+24
Surface area
2.1044776454255E+17
Circumference
813105867.06238
Perimeter
517639272
Area
16746900994793124
Diagonal
183013119.71983
Surface area
100481405968758744
Volume
2.1672134098002E+24
Space diagonal
224144379.77424
Perimeter
388229454
Area
7.2516208480769E+15
Altitude
112072189.88712
Surface area
7.2516208480769E+15
Volume
2.5540854972469E+23
Height
61004373.239945