129121554 is an even 9-digits composite number following 129121553
and preceding 129121555 . In scientific notation, it is written as 1.29121554 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 42936960 positive integers (up to 129121554) that are relatively prime to 129121554.
129121554 has 16 divisors, whose sum is 258864480
The reverse of 129121554 is 455121921
Previous prime number is 419
Is Prime? no Number parity even Number length 9 Sum of Digits 30 Digital Root 3
Name
one hundred twenty-nine million one hundred twenty-one thousand five hundred fifty-four
Scientific notation
1.29121554 × 10^8
Engineering notation
1.29121554 × 10^6
Prime Factorization
2 × 3 × 419 × 51361
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
129121554 Product of the distinct prime numbers
The prime factorization of 129121554 is 2 × 3 × 419 × 51361.
Since it has a total of 4 prime factors.
5 , 4 , 86 , 87 , 817 , 202 , 2214 , 6094 , 15279 , 85112 , 269476 , 75549 , 1276520 , 578151 , 56837953 , 57147061 , 549065004 , 95756949 , 7870606445 , 6886143060
n×2
258243108
n×3
387364662
n×4
516486216
n×5
645607770
n÷2
64560777
n÷3
43040518
n÷3
32280388.5
n÷5
25824310.8
n2
16672375707374916
n3
2.1527630602081E+24
n4
2.7796811172787E+32
n5
3.5891674548748E+40
2 √n11363.166548106
3 √n505.43608901613
4 √n106.59815452486
5 √n41.898622879317
1 , 2 , 3 , 6 , 419 , 838 , 1257 , 2514 , 51361 , 102722 , 154083 , 308166 , 21520259 , 43040518 , 64560777 , 129121554
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
-129121553 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 129121554 can be divided by 16 positive divisors.
The sum of these divisors (counting 129121554) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100100011110100010010
3
Ternary
22222222001110210
4
Quaternary
13230203310102
5
Quinary
231023342204
6
Senary
20451304550
8
Octal
754436422
10
Decimal
129121554
12
Duodecimal
372ab156
16
Hexadecimal
7b23d12
20
Vigesimal
20703he
36
Base36
24vitu
md5
63ea8a982124cfe99a0ca702998c831d
sha1
32b5e553371614c5be80ac41fc9f7d138e76f084
sha256
7b52dd327accafd0745172c4dffaa12d1da8f7caa30a6b2adf9fcb8fb51a81bc
sha512
2a75847327734c61abdb4a29fa702e1eb5163467e4993e6180878b49e1d7bec6e566aea4039842cc8dd0b0eb1b9aa9bad27d0dfd3e21658ae40722c049dff4e8
ripemd-160
fb629b1da5b3a3f2ae8cadc6a194d4ec54c1d14e
Diameter
258243108
Circumference
811294650.933
Area
5.2377813040178E+16
Volume
9.0174728198257E+24
Surface area
2.0951125216071E+17
Circumference
811294650.933
Perimeter
516486216
Area
16672375707374916
Diagonal
182605452.86149
Surface area
100034254244249496
Volume
2.1527630602081E+24
Space diagonal
223645091.88025
Perimeter
387364662
Area
7.2193504520126E+15
Altitude
111822545.94012
Surface area
7.2193504520126E+15
Volume
2.5370555969351E+23
Height
60868484.287163