129478191 is an odd 9-digits composite number following 129478190
and preceding 129478192 . In scientific notation, it is written as 1.29478191 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 86289240 positive integers (up to 129478191) that are relatively prime to 129478191.
129478191 has 8 divisors, whose sum is 172696704
The reverse of 129478191 is 191874921
Previous prime number is 4007
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million four hundred seventy-eight thousand one hundred ninety-one
Scientific notation
1.29478191 × 10^8
Engineering notation
1.29478191 × 10^6
Prime Factorization
3 × 4007 × 10771
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129478191
Product of the distinct prime numbers
The prime factorization of 129478191 is 3 × 4007 × 10771.
Since it has a total of 3 prime factors.
3 , 6 , 97 , 48 , 867 , 394 , 1208 , 1829 , 42848 , 31446 , 902447 , 122080 , 6726862 , 1372796 , 39370822 , 64444478 , 303989320 , 276700474 , 5875693078 , 8413219551
n×2
258956382
n×3
388434573
n×4
517912764
n×5
647390955
n÷2
64739095.5
n÷3
43159397
n÷3
32369547.75
n÷5
25895638.2
n2
16764601944632481
n3
2.1706503326261E+24
n4
2.8105187836198E+32
n5
3.6390088787461E+40
2 √n
11378.848403947
3 √n
505.90100366635
4 √n
106.67168510878
5 √n
41.921742362124
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129478190
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129478191 can be divided by 8 positive divisors.
The sum of these divisors (counting 129478191) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101111010111000101111
3
Ternary
100000122011200120
4
Quaternary
13231322320233
5
Quinary
231121300231
6
Senary
20503100023
8
Octal
755727057
10
Decimal
129478191
12
Duodecimal
37441613
16
Hexadecimal
7b7ae2f
20
Vigesimal
2094f9b
36
Base36
25360f
md5
297332d0e1246d7aef9a163d7a4917ef
sha1
413f92d301a4be060b1bf76187ecd20b401c7ac4
sha256
804109da26b040463502224fc6d005b93abc055f420891449382c9bf000ca516
sha512
174736e8a94cf388cf159ee7708e7ade633311af589a628cd29fcaa6f194138d615d95972da70d01e47a25753e7b186c519bac64bbaee0c1303cfe831d2bf3f3
ripemd-160
4411501c563beec37781b439d5b42f8f608bed2b
Diameter
258956382
Circumference
813535467.29139
Area
5.2667550309615E+16
Volume
9.0923988513205E+24
Surface area
2.1067020123846E+17
Circumference
813535467.29139
Perimeter
517912764
Area
16764601944632481
Diagonal
183109813.74373
Surface area
100587611667794886
Volume
2.1706503326261E+24
Space diagonal
224262805.28411
Perimeter
388434573
Area
7.2592855841929E+15
Altitude
112131402.64205
Surface area
7.2592855841929E+15
Volume
2.5581359496412E+23
Height
61036604.581245