129715861 is an odd 9-digits composite number following 129715860
and preceding 129715862 . In scientific notation, it is written as 1.29715861 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 117923500 positive integers (up to 129715861) that are relatively prime to 129715861.
129715861 has 4 divisors, whose sum is 141508224
The reverse of 129715861 is 168517921
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-nine million seven hundred fifteen thousand eight hundred sixty-one
Scientific notation
1.29715861 × 10^8
Engineering notation
1.29715861 × 10^6
Prime Factorization
11 × 11792351
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129715861
Product of the distinct prime numbers
The prime factorization of 129715861 is 11 × 11792351.
Since it has a total of 2 prime factors.
2 , 5 , 76 , 13 , 466 , 174 , 1720 , 8892 , 31807 , 35372 , 62375 , 35867 , 9360157 , 5428257 , 89795999 , 1368518 , 17863162 , 694604424 , 4205968670 , 2462928790
n×2
259431722
n×3
389147583
n×4
518863444
n×5
648579305
n÷2
64857930.5
n÷3
43238620.333333
n÷3
32428965.25
n÷5
25943172.2
n2
16826204594971321
n3
2.1826256163989E+24
n4
2.8312116107183E+32
n5
3.6725305175753E+40
2 √n
11389.287115531
3 √n
506.21035820265
4 √n
106.72060305082
5 √n
41.937121373605
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129715860
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129715861 can be divided by 4 positive divisors.
The sum of these divisors (counting 129715861) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110110100111010010101
3
Ternary
100001002020201011
4
Quaternary
13232310322111
5
Quinary
231201401421
6
Senary
20512132221
8
Octal
756647225
10
Decimal
129715861
12
Duodecimal
37537071
16
Hexadecimal
7bb4e95
20
Vigesimal
20ae9d1
36
Base36
2589ed
md5
8dbb16aa4112d5432322d5e5145e474b
sha1
7a508dee7e27c1dba07008fc5279eacbd10143f5
sha256
31a21100869f401f09a5984bc8a576ef9a146cc750561b7dc6c2a5a5b8ca01f9
sha512
2943199c55cf787c01a18f65832dcb95bff3586aef4473c08c4947a88cb0649776830cc1fa9dd61135f17afede88aa820f5121c0e5b82698d6c64b865dc18db5
ripemd-160
e1424b00730b31b07a1fece6b9d32a2fe7cbc719
Diameter
259431722
Circumference
815028791.94335
Area
5.2861080743361E+16
Volume
9.1425608026874E+24
Surface area
2.1144432297344E+17
Circumference
815028791.94335
Perimeter
518863444
Area
16826204594971321
Diagonal
183445929.8811
Surface area
100957227569827926
Volume
2.1826256163989E+24
Space diagonal
224674461.79954
Perimeter
389147583
Area
7.2859603142598E+15
Altitude
112337230.89977
Surface area
7.2859603142598E+15
Volume
2.5722489569118E+23
Height
61148643.293701