129121397 is an odd 9-digits composite number following 129121396
and preceding 129121398 . In scientific notation, it is written as 1.29121397 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 122325192 positive integers (up to 129121397) that are relatively prime to 129121397.
129121397 has 6 divisors, whose sum is 136275318
The reverse of 129121397 is 793121921
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-nine million one hundred twenty-one thousand three hundred ninety-seven
Scientific notation
1.29121397 × 10^8
Engineering notation
1.29121397 × 10^6
Prime Factorization
19 × 19 × 357677
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6795863
Product of the distinct prime numbers
The prime factorization of 129121397 is 19 × 19 × 357677.
Since it has a total of 3 prime factors.
6 , 7 , 16 , 45 , 275 , 220 , 4555 , 566 , 19431 , 97622 , 526467 , 480698 , 617655 , 3776636 , 37086819 , 90391709 , 54164429 , 272940919 , 5232080157 , 6673482410
n×2
258242794
n×3
387364191
n×4
516485588
n×5
645606985
n÷2
64560698.5
n÷3
43040465.666667
n÷3
32280349.25
n÷5
25824279.4
n2
16672335163231609
n3
2.1527552075287E+24
n4
2.7796675979513E+32
n5
3.5891456344311E+40
2 √n
11363.159639818
3 √n
505.43588416136
4 √n
106.59812212144
5 √n
41.898612690334
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129121396
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129121397 can be divided by 6 positive divisors.
The sum of these divisors (counting 129121397) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111101100100011110001110101
3
Ternary
22222222001020222
4
Quaternary
13230203301311
5
Quinary
231023341042
6
Senary
20451304125
8
Octal
754436165
10
Decimal
129121397
12
Duodecimal
372ab045
16
Hexadecimal
7b23c75
20
Vigesimal
207039h
36
Base36
24viph
md5
eb6e4a57148cbb53dfcb6321e3552201
sha1
b6628e538d8c6826ed9f98ac7d711bcbf459c81d
sha256
12c68a6417750398edb6e5b14248d3ca2a4fa163d005a71ee57fe26d281c6b28
sha512
31000870da9e63de02460544d781cbd492215b39622655b7b5f031f00e1275b0147180a635084fa32092d29aa694d4f54312480b6c233d7a6c9cdaf5d1a8bd8c
ripemd-160
c298c008cf8ab1d63d5588e4ede8b2fec48b3bb3
Diameter
258242794
Circumference
811293664.4729
Area
5.2377685666995E+16
Volume
9.0174399265991E+24
Surface area
2.0951074266798E+17
Circumference
811293664.4729
Perimeter
516485588
Area
16672335163231609
Diagonal
182605230.82996
Surface area
100034010979389654
Volume
2.1527552075287E+24
Space diagonal
223644819.94827
Perimeter
387364191
Area
7.2193328958836E+15
Altitude
111822409.97414
Surface area
7.2193328958836E+15
Volume
2.5370463424636E+23
Height
60868410.276654