129121165 is an odd 9-digits composite number following 129121164
and preceding 129121166 . In scientific notation, it is written as 1.29121165 × 10^8.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 102058432 positive integers (up to 129121165) that are relatively prime to 129121165.
129121165 has 16 divisors, whose sum is 156816000
The reverse of 129121165 is 561121921
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred twenty-nine million one hundred twenty-one thousand one hundred sixty-five
Scientific notation
1.29121165 × 10^8
Engineering notation
1.29121165 × 10^6
Prime Factorization
5 × 263 × 149 × 659
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129121165
Product of the distinct prime numbers
The prime factorization of 129121165 is 5 × 263 × 149 × 659.
Since it has a total of 4 prime factors.
3 , 2 , 41 , 30 , 879 , 184 , 2623 , 1023 , 3071 , 4791 , 100212 , 805163 , 398311 , 4031534 , 98682986 , 11059600 , 669653664 , 434616947 , 5340289740 , 2152840382
n×2
258242330
n×3
387363495
n×4
516484660
n×5
645605825
n÷2
64560582.5
n÷3
43040388.333333
n÷3
32280291.25
n÷5
25824233
n2
16672275250957225
n3
2.1527436036043E+24
n4
2.7796476204368E+32
n5
3.5891133904028E+40
2 √n
11363.149431386
3 √n
505.43558144573
4 √n
106.59807423864
5 √n
41.898597633983
1 , 5 , 149 , 263 , 659 , 745 , 1315 , 3295 , 39187 , 98191 , 173317 , 195935 , 490955 , 866585 , 25824233 , 129121165
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
-129121164
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 129121165 can be divided by 16 positive divisors.
The sum of these divisors (counting 129121165) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100100011101110001101
3
Ternary
22222222000221101
4
Quaternary
13230203232031
5
Quinary
231023334130
6
Senary
20451303101
8
Octal
754435615
10
Decimal
129121165
12
Duodecimal
372aaa91
16
Hexadecimal
7b23b8d
20
Vigesimal
20702i5
36
Base36
24vij1
md5
02f47987f596c9e9f63bd554fdd9c169
sha1
78e6d3dfcf3a312e5a34deb4cfb69f6f336770e0
sha256
c3c05ef9b18a42a6ba6a7c45ca869c58374d17c035321dcad06246f957a3559d
sha512
a280a6e0bc73437580bdf844e520ae8b8eb07ebe51edfe8c5e71915805684f36e7c235716953d5c4ca7de83c644ca4cdcf3ca5677a16b5b0f174eff4257a8aff
ripemd-160
8a9b22ed2dd66b6351c41b62444b65752a0343da
Diameter
258242330
Circumference
811292206.77391
Area
5.2377497447034E+16
Volume
9.0173913201941E+24
Surface area
2.0950998978814E+17
Circumference
811292206.77391
Perimeter
516484660
Area
16672275250957225
Diagonal
182604902.73241
Surface area
100033651505743350
Volume
2.1527436036043E+24
Space diagonal
223644418.11248
Perimeter
387363495
Area
7.2193069531078E+15
Altitude
111822209.05624
Surface area
7.2193069531078E+15
Volume
2.5370326671076E+23
Height
60868300.910805