129121560 is an even 9-digits composite number following 129121559
and preceding 129121561 . In scientific notation, it is written as 1.29121560 × 10^8.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 34432128 positive integers (up to 129121560) that are relatively prime to 129121560.
129121560 has 16 divisors, whose sum is 243898320
The reverse of 129121560 is 065121921
Previous prime number is 135
Is Prime? no Number parity even Number length 9 Sum of Digits 27 Digital Root 9
Name
one hundred twenty-nine million one hundred twenty-one thousand five hundred sixty
Scientific notation
1.29121560 × 10^8
Engineering notation
1.29121560 × 10^6
Prime Factorization
2 × 2 × 2 × 135 × 119557
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
32280390 Product of the distinct prime numbers
The prime factorization of 129121560 is 2 × 2 × 2 × 135 × 119557.
Since it has a total of 5 prime factors.
9 , 8 , 66 , 6 , 598 , 694 , 955 , 7041 , 92630 , 21072 , 41141 , 309969 , 2478013 , 3808017 , 62003033 , 53948677 , 580576849 , 108558988 , 9654657074 , 4883944156
n×2
258243120
n×3
387364680
n×4
516486240
n×5
645607800
n÷2
64560780
n÷3
43040520
n÷3
32280390
n÷5
25824312
n2
16672377256833600
n3
2.1527633603109E+24
n4
2.7796816339418E+32
n5
3.5891682887792E+40
2 √n11363.166812117
3 √n505.43609684497
4 √n106.59815576321
5 √n41.898623268705
1 , 2 , 4 , 8 , 135 , 270 , 540 , 1080 , 119557 , 239114 , 478228 , 956456 , 16140195 , 32280390 , 64560780 , 129121560
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
-129121559 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 129121560 can be divided by 16 positive divisors.
The sum of these divisors (counting 129121560) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100100011110100011000
3
Ternary
22222222001111000
4
Quaternary
13230203310120
5
Quinary
231023342220
6
Senary
20451305000
8
Octal
754436430
10
Decimal
129121560
12
Duodecimal
372ab160
16
Hexadecimal
7b23d18
20
Vigesimal
20703i0
36
Base36
24viu0
md5
a84f389970eeff81f49a8f28504fa6f1
sha1
fa0ac68fb0c2d8bef4099d9cbd448eab471d9ffb
sha256
22a9b06d98ff01477bb123b0d279cfb1e30440fba4e6b4a207bb0f6baedd390c
sha512
56917144406c85caef1e13523a36b9820b9dad0fef273c5fb2ecb21fdaee9025cfb3d479b291b4f9d16adf76ccac89124d04b79cf931d4dfe89df2f05a4ca84a
ripemd-160
bc22399fe471d7639c8c41e943d6823803d9db60
Diameter
258243120
Circumference
811294688.63211
Area
5.2377817907946E+16
Volume
9.0174740768932E+24
Surface area
2.0951127163178E+17
Circumference
811294688.63211
Perimeter
516486240
Area
16672377256833600
Diagonal
182605461.34677
Surface area
100034263541001600
Volume
2.1527633603109E+24
Space diagonal
223645102.27255
Perimeter
387364680
Area
7.2193511229479E+15
Altitude
111822551.13628
Surface area
7.2193511229479E+15
Volume
2.5370559506096E+23
Height
60868487.11559