129715257 is an odd 9-digits composite number following 129715256
and preceding 129715258 . In scientific notation, it is written as 1.29715257 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 74122992 positive integers (up to 129715257) that are relatively prime to 129715257.
129715257 has 4 divisors, whose sum is 135892196
The reverse of 129715257 is 752517921
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-nine million seven hundred fifteen thousand two hundred fifty-seven
Scientific notation
1.29715257 × 10^8
Engineering notation
1.29715257 × 10^6
Prime Factorization
21 × 6176917
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129715257
Product of the distinct prime numbers
The prime factorization of 129715257 is 21 × 6176917.
Since it has a total of 2 prime factors.
6 , 3 , 27 , 78 , 671 , 948 , 2086 , 2237 , 75614 , 58188 , 586333 , 560059 , 7718690 , 5206363 , 72893189 , 40006539 , 404267912 , 597744609 , 1248395517 , 904859096
n×2
259430514
n×3
389145771
n×4
518861028
n×5
648576285
n÷2
64857628.5
n÷3
43238419
n÷3
32428814.25
n÷5
25943051.4
n2
16826047898576049
n3
2.1825951274581E+24
n4
2.8311588788518E+32
n5
3.6724450157809E+40
2 √n
11389.260599354
3 √n
506.20957250708
4 √n
106.72047881899
5 √n
41.937082318907
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
-129715256
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 129715257 can be divided by 4 positive divisors.
The sum of these divisors (counting 129715257) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110110100110000111001
3
Ternary
100001002012212210
4
Quaternary
13232310300321
5
Quinary
231201342012
6
Senary
20512125333
8
Octal
756646071
10
Decimal
129715257
12
Duodecimal
37536849
16
Hexadecimal
7bb4c39
20
Vigesimal
20ae82h
36
Base36
2588xl
md5
bcfd3b4ca9db93c79e4d9d8948e48e6c
sha1
aff59272732b8db26c98681bd07d4b6bc3c2a9b1
sha256
ca4b114067a59311539b608378e33f8c2c67017456fd155a87609fe669e1663e
sha512
54ee4a92e72321797f436e7cfdbfbdec3f4ba8f0145c585c3659c690fab13cbecf82b195492eacdff214bc6d95d08cea1654572b92da9aacd03a52b62a478b31
ripemd-160
92d136957c62358532f53dfbb0c533b1b21dc9e6
Diameter
259430514
Circumference
815024996.89942
Area
5.2860588467116E+16
Volume
9.142433090911E+24
Surface area
2.1144235386847E+17
Circumference
815024996.89942
Perimeter
518861028
Area
16826047898576049
Diagonal
183445075.69611
Surface area
100956287391456294
Volume
2.1825951274581E+24
Space diagonal
224673415.64085
Perimeter
389145771
Area
7.2858924627303E+15
Altitude
112336707.82043
Surface area
7.2858924627303E+15
Volume
2.5722130253506E+23
Height
61148358.565371