129121145 is an odd 9-digits composite number following 129121144
and preceding 129121146 . In scientific notation, it is written as 1.29121145 × 10^8.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 101713920 positive integers (up to 129121145) that are relatively prime to 129121145.
129121145 has 16 divisors, whose sum is 157339152
The reverse of 129121145 is 541121921
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
one hundred twenty-nine million one hundred twenty-one thousand one hundred forty-five
Scientific notation
1.29121145 × 10^8
Engineering notation
1.29121145 × 10^6
Prime Factorization
113 × 5 × 173 × 1321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129121145
Product of the distinct prime numbers
The prime factorization of 129121145 is 113 × 5 × 173 × 1321.
Since it has a total of 4 prime factors.
6 , 5 , 26 , 68 , 731 , 136 , 337 , 390 , 76616 , 57127 , 952495 , 841350 , 7175494 , 1108487 , 2453323 , 70669723 , 112778893 , 323046135 , 9615715595 , 6926157377
n×2
258242290
n×3
387363435
n×4
516484580
n×5
645605725
n÷2
64560572.5
n÷3
43040381.666667
n÷3
32280286.25
n÷5
25824229
n2
16672270086111025
n3
2.1527426032679E+24
n4
2.7796458982423E+32
n5
3.589110610756E+40
2 √n
11363.148551348
3 √n
505.43555534954
4 √n
106.5980701108
5 √n
41.898596336021
1 , 5 , 113 , 173 , 565 , 865 , 1321 , 6605 , 19549 , 97745 , 149273 , 228533 , 746365 , 1142665 , 25824229 , 129121145
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
-129121144
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 129121145 can be divided by 16 positive divisors.
The sum of these divisors (counting 129121145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100100011101101111001
3
Ternary
22222222000220122
4
Quaternary
13230203231321
5
Quinary
231023334040
6
Senary
20451303025
8
Octal
754435571
10
Decimal
129121145
12
Duodecimal
372aaa75
16
Hexadecimal
7b23b79
20
Vigesimal
20702h5
36
Base36
24viih
md5
4178d88fc075d69b9194b8d1a932d61b
sha1
2ddb0d7517ac7ada6182023ebe519fa93e1bdd41
sha256
85869045b7b06dea1f2773d8e28e49723ad9b4a8b3592dcd6372d6e6efd56b71
sha512
82c17a5a4fcdee24bf093c0d3f58dbb040317f2052e84ece643cb903ac5ef01bca9db8e897270a03ef937120b52024673575deac98eac0bee1e7c571aa4d429f
ripemd-160
55640f2de0492f34ba0be706650136b1ef20ef6f
Diameter
258242290
Circumference
811292081.1102
Area
5.2377481221191E+16
Volume
9.017387129995E+24
Surface area
2.0950992488477E+17
Circumference
811292081.1102
Perimeter
516484580
Area
16672270086111025
Diagonal
182604874.44814
Surface area
100033620516666150
Volume
2.1527426032679E+24
Space diagonal
223644383.47147
Perimeter
387363435
Area
7.2193047166638E+15
Altitude
111822191.73573
Surface area
7.2193047166638E+15
Volume
2.5370314881999E+23
Height
60868291.482714