129121394 is an even 9-digits composite number following 129121393
and preceding 129121395 . In scientific notation, it is written as 1.29121394 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 63556752 positive integers (up to 129121394) that are relatively prime to 129121394.
129121394 has 16 divisors, whose sum is 196717248
The reverse of 129121394 is 493121921
Previous prime number is 107
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine million one hundred twenty-one thousand three hundred ninety-four
Scientific notation
1.29121394 × 10^8
Engineering notation
1.29121394 × 10^6
Prime Factorization
2 × 167 × 107 × 3613
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129121394
Product of the distinct prime numbers
The prime factorization of 129121394 is 2 × 167 × 107 × 3613.
Since it has a total of 4 prime factors.
9 , 9 , 87 , 69 , 835 , 799 , 7122 , 1357 , 7527 , 56232 , 824620 , 53209 , 566078 , 2864238 , 19669772 , 94263667 , 176768465 , 238227136 , 7918296642 , 5840228190
n×2
258242788
n×3
387364182
n×4
516485576
n×5
645606970
n÷2
64560697
n÷3
43040464.666667
n÷3
32280348.5
n÷5
25824278.8
n2
16672334388503236
n3
2.1527550574777E+24
n4
2.7796673396207E+32
n5
3.5891452174809E+40
2 √n
11363.159507813
3 √n
505.43588024694
4 √n
106.59812150227
5 √n
41.89861249564
1 , 2 , 107 , 167 , 214 , 334 , 3613 , 7226 , 17869 , 35738 , 386591 , 603371 , 773182 , 1206742 , 64560697 , 129121394
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
-129121393
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 129121394 can be divided by 16 positive divisors.
The sum of these divisors (counting 129121394) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100100011110001110010
3
Ternary
22222222001020212
4
Quaternary
13230203301302
5
Quinary
231023341034
6
Senary
20451304122
8
Octal
754436162
10
Decimal
129121394
12
Duodecimal
372ab042
16
Hexadecimal
7b23c72
20
Vigesimal
207039e
36
Base36
24vipe
md5
01eb276f74d8fb81df2ada2d91c3b234
sha1
afe1d811987058af92ac10101a62d9f7c8dd6136
sha256
f352f236f9a384186567f1b2c13c5a3068fee3f940e13069a806fb092ff3df12
sha512
ba5c821501581bddc35de375c1ff40d0fbb3f3e4a1812107b90970e5243692b852f78cd0179e06ef33660ddc48503ef0079c109f9899b929cdb1fc42bf22d81b
ripemd-160
c45e342520c1080076f85436fdc7db9604f9cf0e
Diameter
258242788
Circumference
811293645.62335
Area
5.2377683233114E+16
Volume
9.0174392980668E+24
Surface area
2.0951073293246E+17
Circumference
811293645.62335
Perimeter
516485576
Area
16672334388503236
Diagonal
182605226.58732
Surface area
100034006331019416
Volume
2.1527550574777E+24
Space diagonal
223644814.75212
Perimeter
387364182
Area
7.2193325604163E+15
Altitude
111822407.37606
Surface area
7.2193325604163E+15
Volume
2.5370461656268E+23
Height
60868408.86244