129869872 is an even 9-digits composite number following 129869871
and preceding 129869873 . In scientific notation, it is written as 1.29869872 × 10^8.
The sum of its digits is 52. It has a total of 6 prime factors and 20 positive divisors.
There are 59031680 positive integers (up to 129869872) that are relatively prime to 129869872.
129869872 has 20 divisors, whose sum is 274498056
The reverse of 129869872 is 278968921
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred twenty-nine million eight hundred sixty-nine thousand eight hundred seventy-two
Scientific notation
1.29869872 × 10^8
Engineering notation
1.29869872 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 11 × 737897
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16233734
Product of the distinct prime numbers
The prime factorization of 129869872 is 2 × 2 × 2 × 2 × 11 × 737897.
Since it has a total of 6 prime factors.
8 , 5 , 73 , 8 , 617 , 854 , 7250 , 2551 , 66337 , 81954 , 471956 , 19232 , 2393406 , 7671167 , 48979165 , 52741249 , 577732951 , 130266521 , 9439545354 , 9615582668
n×2
259739744
n×3
389609616
n×4
519479488
n×5
649349360
n÷2
64934936
n÷3
43289957.333333
n÷3
32467468
n÷5
25973974.4
n2
16866183653296384
n3
2.1904091121821E+24
n4
2.8446815102672E+32
n5
3.6943842361917E+40
2 √n
11396.046331952
3 √n
506.41061931848
4 √n
106.75226616776
5 √n
41.947074994917
1 , 2 , 4 , 8 , 11 , 16 , 22 , 44 , 88 , 176 , 737897 , 1475794 , 2951588 , 5903176 , 8116867 , 11806352 , 16233734 , 32467468 , 64934936 , 129869872
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129869871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129869872 can be divided by 20 positive divisors.
The sum of these divisors (counting 129869872) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101111011010100000110000
3
Ternary
100001101001222021
4
Quaternary
13233122200300
5
Quinary
231221313442
6
Senary
20515321224
8
Octal
757324060
10
Decimal
129869872
12
Duodecimal
375b0214
16
Hexadecimal
7bda830
20
Vigesimal
20bdedc
36
Base36
25bk8g
md5
08e3e1c93eafe7bd1758df40c982ab49
sha1
b545c5a43494ebf77bf2d7a018a8ce42996d7cac
sha256
2e36671213bd59bff28a5ba3d51d0a299c08e5e04614ddfc0ccf13b7079e3e56
sha512
976d13c61ba10054fe8dfecbba83efdf865de1599ce3a0907a5775428e77efa7b078bab4525fe7026cf656a75d55537249809a7ca461af9a253f122a67c76cdd
ripemd-160
408f307cb3414a940123dea07e051b74500cf851
Diameter
259739744
Circumference
815996471.59569
Area
5.2986678659292E+16
Volume
9.1751642335832E+24
Surface area
2.1194671463717E+17
Circumference
815996471.59569
Perimeter
519479488
Area
16866183653296384
Diagonal
183663734.32606
Surface area
101197101919778304
Volume
2.1904091121821E+24
Space diagonal
224941216.67647
Perimeter
389609616
Area
7.3032717543242E+15
Altitude
112470608.33823
Surface area
7.3032717543242E+15
Volume
2.5814218946613E+23
Height
61221244.775353