129121395 is an odd 9-digits composite number following 129121394
and preceding 129121396 . In scientific notation, it is written as 1.29121395 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 62612352 positive integers (up to 129121395) that are relatively prime to 129121395.
129121395 has 16 divisors, whose sum is 150553088
The reverse of 129121395 is 593121921
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-nine million one hundred twenty-one thousand three hundred ninety-five
Scientific notation
1.29121395 × 10^8
Engineering notation
1.29121395 × 10^6
Prime Factorization
15 × 13 × 67 × 9883
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129121395
Product of the distinct prime numbers
The prime factorization of 129121395 is 15 × 13 × 67 × 9883.
Since it has a total of 4 prime factors.
7 , 4 , 89 , 77 , 111 , 348 , 6901 , 1424 , 23614 , 8552 , 841073 , 463619 , 8533980 , 9331051 , 89525893 , 51517918 , 581743658 , 169165485 , 7713480247 , 6910987174
n×2
258242790
n×3
387364185
n×4
516485580
n×5
645606975
n÷2
64560697.5
n÷3
43040465
n÷3
32280348.75
n÷5
25824279
n2
16672334646746025
n3
2.1527551074947E+24
n4
2.7796674257309E+32
n5
3.5891453564643E+40
2 √n
11363.159551815
3 √n
505.43588155175
4 √n
106.59812170866
5 √n
41.898612560538
1 , 13 , 15 , 67 , 195 , 871 , 1005 , 9883 , 13065 , 128479 , 148245 , 662161 , 1927185 , 8608093 , 9932415 , 129121395
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
-129121394
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 129121395 can be divided by 16 positive divisors.
The sum of these divisors (counting 129121395) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100100011110001110011
3
Ternary
22222222001020220
4
Quaternary
13230203301303
5
Quinary
231023341040
6
Senary
20451304123
8
Octal
754436163
10
Decimal
129121395
12
Duodecimal
372ab043
16
Hexadecimal
7b23c73
20
Vigesimal
207039f
36
Base36
24vipf
md5
468ee0e1892b56beca27ddc9129f0dfe
sha1
6aa89c7173d286549989d017cbbbf1f44d79826d
sha256
ddba944eef139b13a873deba85e849b51d4241c3dd350aa7a65a21c911248ec2
sha512
d3f4af6c561e51ed01a94015a086c033621ce7942805d41f5d873443c0021ae2aad16bd2b5beda8fa73ff1a98be0ad86131c25ad7a56bbd61010c42033c9ae2f
ripemd-160
544bfda56a8fa10c6bb82d8f1683f7f6cb8b9915
Diameter
258242790
Circumference
811293651.90653
Area
5.2377684044408E+16
Volume
9.0174395075776E+24
Surface area
2.0951073617763E+17
Circumference
811293651.90653
Perimeter
516485580
Area
16672334646746025
Diagonal
182605228.00153
Surface area
100034007880476150
Volume
2.1527551074947E+24
Space diagonal
223644816.48417
Perimeter
387364185
Area
7.2193326722388E+15
Altitude
111822408.24208
Surface area
7.2193326722388E+15
Volume
2.5370462245724E+23
Height
60868409.333845