129121169 is an odd 9-digits composite number following 129121168
and preceding 129121170 . In scientific notation, it is written as 1.29121169 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 117780480 positive integers (up to 129121169) that are relatively prime to 129121169.
129121169 has 8 divisors, whose sum is 136093440
The reverse of 129121169 is 961121921
Previous prime number is 7967
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine million one hundred twenty-one thousand one hundred sixty-nine
Scientific notation
1.29121169 × 10^8
Engineering notation
1.29121169 × 10^6
Prime Factorization
19 × 7967 × 853
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129121169
Product of the distinct prime numbers
The prime factorization of 129121169 is 19 × 7967 × 853.
Since it has a total of 3 prime factors.
2 , 2 , 47 , 4 , 669 , 547 , 3906 , 1957 , 52176 , 84245 , 651522 , 744971 , 9259152 , 3291078 , 33942935 , 67011386 , 522431797 , 987872938 , 4495412890 , 5373880001
n×2
258242338
n×3
387363507
n×4
516484676
n×5
645605845
n÷2
64560584.5
n÷3
43040389.666667
n÷3
32280292.25
n÷5
25824233.8
n2
16672276283926561
n3
2.1527438036716E+24
n4
2.7796479648758E+32
n5
3.5891139463323E+40
2 √n
11363.149607393
3 √n
505.43558666497
4 √n
106.5980750642
5 √n
41.898597893575
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
-129121168
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 129121169 can be divided by 8 positive divisors.
The sum of these divisors (counting 129121169) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100011101110010001
3
Ternary
22222222000221112
4
Quaternary
13230203232101
5
Quinary
231023334134
6
Senary
20451303105
8
Octal
754435621
10
Decimal
129121169
12
Duodecimal
372aaa95
16
Hexadecimal
7b23b91
20
Vigesimal
20702i9
36
Base36
24vij5
md5
bb08a88b83767a9761c840aaea2fc649
sha1
e2ce3b4b192574eedacb397a8fef94fac7ba2741
sha256
681690bbfe63d6154a966716601c516a7b490b493bb169c073d96f2e8737e43d
sha512
a2a260bbcff0e697c5ca5be55c94519ee099c8ae1b219129a018e13188153aae1a069fc458647de2416b818848561ef49a3cfaefc0768e1977626f91e6281c0a
ripemd-160
3506a51e4c402e2ce1143dd2f609af9b3ef885ab
Diameter
258242338
Circumference
811292231.90665
Area
5.2377500692203E+16
Volume
9.0173921582341E+24
Surface area
2.0951000276881E+17
Circumference
811292231.90665
Perimeter
516484676
Area
16672276283926561
Diagonal
182604908.38927
Surface area
100033657703559366
Volume
2.1527438036716E+24
Space diagonal
223644425.04069
Perimeter
387363507
Area
7.2193074003966E+15
Altitude
111822212.52034
Surface area
7.2193074003966E+15
Volume
2.5370329028892E+23
Height
60868302.796423