129738215 is an odd 9-digits composite number following 129738214
and preceding 129738216 . In scientific notation, it is written as 1.29738215 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 103790568 positive integers (up to 129738215) that are relatively prime to 129738215.
129738215 has 4 divisors, whose sum is 155685864
The reverse of 129738215 is 512837921
Previous prime number is 5
Is Prime? no Number parity odd Number length 9 Sum of Digits 38 Digital Root 2
Name
one hundred twenty-nine million seven hundred thirty-eight thousand two hundred fifteen
Scientific notation
1.29738215 × 10^8
Engineering notation
1.29738215 × 10^6
Prime Factorization
5 × 25947643
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
129738215 Product of the distinct prime numbers
The prime factorization of 129738215 is 5 × 25947643.
Since it has a total of 2 prime factors.
3 , 9 , 83 , 26 , 260 , 703 , 6464 , 7472 , 31673 , 350 , 364931 , 371688 , 6519905 , 7306384 , 49720066 , 25860557 , 334619669 , 357866513 , 6129957350 , 4045217965
n×2
259476430
n×3
389214645
n×4
518952860
n×5
648691075
n÷2
64869107.5
n÷3
43246071.666667
n÷3
32434553.75
n÷5
25947643
n2
16832004431386225
n3
2.1837542098001E+24
n4
2.8331637317821E+32
n5
3.6756960536414E+40
2 √n11390.268434062
3 √n506.23943502821
4 √n106.72520055761
5 √n41.938566683052
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
-129738214 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 129738215 can be divided by 4 positive divisors.
The sum of these divisors (counting 129738215) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110111010010111100111
3
Ternary
100001010101101002
4
Quaternary
13232322113213
5
Quinary
231203110330
6
Senary
20512423515
8
Octal
756722747
10
Decimal
129738215
12
Duodecimal
37547b9b
16
Hexadecimal
7bba5e7
20
Vigesimal
20ah5af
36
Base36
258qnb
md5
ac400e4ca030339a0d5c087be0edd040
sha1
cd2fe004eba830719ddcf685a253792fd5573af2
sha256
0f3799e4b95404bcc6c1485d893c20bd0ec135cb778449ec4149807a42f40a57
sha512
314aef79d36d93a3eb35c5a1558c2fb5ca0eb3e61971d8b46ad9e19b6620735b9f67988457c3961dd2844f1b28ba17a484059ca926e230f63ca3793bac911cbf
ripemd-160
2fbc3d5155446d2f289f1c74f5f34fd290f58beb
Diameter
259476430
Circumference
815169246.26771
Area
5.2879301466834E+16
Volume
9.1472882436719E+24
Surface area
2.1151720586734E+17
Circumference
815169246.26771
Perimeter
518952860
Area
16832004431386225
Diagonal
183477543.21108
Surface area
100992026588317350
Volume
2.1837542098001E+24
Space diagonal
224713180.06329
Perimeter
389214645
Area
7.2884717170964E+15
Altitude
112356590.03165
Surface area
7.2884717170964E+15
Volume
2.5735790169906E+23
Height
61159181.070359