129121495 is an odd 9-digits composite number following 129121494
and preceding 129121496 . In scientific notation, it is written as 1.29121495 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 103297192 positive integers (up to 129121495) that are relatively prime to 129121495.
129121495 has 4 divisors, whose sum is 154945800
The reverse of 129121495 is 594121921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-nine million one hundred twenty-one thousand four hundred ninety-five
Scientific notation
1.29121495 × 10^8
Engineering notation
1.29121495 × 10^6
Prime Factorization
5 × 25824299
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129121495
Product of the distinct prime numbers
The prime factorization of 129121495 is 5 × 25824299.
Since it has a total of 2 prime factors.
4 , 1 , 4 , 80 , 123 , 934 , 8406 , 4571 , 41922 , 64755 , 167004 , 565423 , 4464428 , 4531615 , 47313928 , 16504600 , 404377145 , 428920663 , 1805414192 , 9765507345
n×2
258242990
n×3
387364485
n×4
516485980
n×5
645607475
n÷2
64560747.5
n÷3
43040498.333333
n÷3
32280373.75
n÷5
25824299
n2
16672360471035025
n3
2.1527601091989E+24
n4
2.7796760367613E+32
n5
3.589159254823E+40
2 √n
11363.163951999
3 √n
505.43601203251
4 √n
106.59814234778
5 √n
41.898619050337
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129121494
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129121495 can be divided by 4 positive divisors.
The sum of these divisors (counting 129121495) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100100011110011010111
3
Ternary
22222222001101121
4
Quaternary
13230203303113
5
Quinary
231023341440
6
Senary
20451304411
8
Octal
754436327
10
Decimal
129121495
12
Duodecimal
372ab107
16
Hexadecimal
7b23cd7
20
Vigesimal
20703ef
36
Base36
24vis7
md5
f45f959ff464dd1b782c9b9481460bae
sha1
424b97bbdc89ae45c574ab5fbb0f1153c65d1457
sha256
93f44092c2e1c5095747b85157101bece62ea950f77bf5280eef7507e06c04e8
sha512
aa55c6a0f7e65518c097ae1a6b3f36584a6763f00cf367228bc0af3cc3f320ee28a5460fbb74d9449a68803a6e001e062ab76c17b0d45beaec00ce2632fa0b83
ripemd-160
aacf6088722df713f16c029222a80aa208f287c9
Diameter
258242990
Circumference
811294280.22506
Area
5.2377765173804E+16
Volume
9.0174604586674E+24
Surface area
2.0951106069522E+17
Circumference
811294280.22506
Perimeter
516485980
Area
16672360471035025
Diagonal
182605369.42289
Surface area
100034162826210150
Volume
2.1527601091989E+24
Space diagonal
223644989.68925
Perimeter
387364485
Area
7.2193438544839E+15
Altitude
111822494.84463
Surface area
7.2193438544839E+15
Volume
2.5370521191374E+23
Height
60868456.474297