129771895 is an odd 9-digits composite number following 129771894
and preceding 129771896 . In scientific notation, it is written as 1.29771895 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 94379120 positive integers (up to 129771895) that are relatively prime to 129771895.
129771895 has 8 divisors, whose sum is 144144000
The reverse of 129771895 is 598177921
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred twenty-nine million seven hundred seventy-one thousand eight hundred ninety-five
Scientific notation
1.29771895 × 10^8
Engineering notation
1.29771895 × 10^6
Prime Factorization
55 × 11 × 214499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129771895
Product of the distinct prime numbers
The prime factorization of 129771895 is 55 × 11 × 214499.
Since it has a total of 3 prime factors.
8 , 2 , 55 , 94 , 661 , 594 , 2584 , 2054 , 33250 , 88167 , 728572 , 927628 , 2728340 , 3063269 , 62464452 , 67478351 , 817075968 , 698787623 , 7207724334 , 1777165113
n×2
259543790
n×3
389315685
n×4
519087580
n×5
648859475
n÷2
64885947.5
n÷3
43257298.333333
n÷3
32442973.75
n÷5
25954379
n2
16840744731891025
n3
2.1854553570688E+24
n4
2.8361068312472E+32
n5
3.6804695791339E+40
2 √n
11391.746793183
3 √n
506.28323777099
4 √n
106.73212634059
5 √n
41.940743904737
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
-129771894
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 129771895 can be divided by 8 positive divisors.
The sum of these divisors (counting 129771895) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101111000010100101110111
3
Ternary
100001012002120111
4
Quaternary
13233002211313
5
Quinary
231210200040
6
Senary
20513243451
8
Octal
757024567
10
Decimal
129771895
12
Duodecimal
37563587
16
Hexadecimal
7bc2977
20
Vigesimal
20b19ef
36
Base36
259gmv
md5
6d6d0287a36a55fbbda5733c34f7d13b
sha1
b89066fd6a82090396e94b7dff765b683201e7fe
sha256
6eb3467da7635c0729f47be36b688f1fd3efd2b71e16b36fb321d38b95c46191
sha512
2f01b7f03271f1a68088eca724d876d2db50871e565f3bbae4a65e0951a922e099179f6141a6a8b567ea63fccc931810b933f3ea39ec007eaf6b9f78e152b499
ripemd-160
e461514056d21b3731d62a4ae1372a7af88f9249
Diameter
259543790
Circumference
815380863.94885
Area
5.290675993069E+16
Volume
9.1544139926876E+24
Surface area
2.1162703972276E+17
Circumference
815380863.94885
Perimeter
519087580
Area
16840744731891025
Diagonal
183525173.92386
Surface area
101044468391346150
Volume
2.1854553570688E+24
Space diagonal
224771515.53449
Perimeter
389315685
Area
7.2922563782333E+15
Altitude
112385757.76725
Surface area
7.2922563782333E+15
Volume
2.575583838273E+23
Height
61175057.974619