129521705 is an odd 9-digits composite number following 129521704
and preceding 129521706 . In scientific notation, it is written as 1.29521705 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 103539328 positive integers (up to 129521705) that are relatively prime to 129521705.
129521705 has 8 divisors, whose sum is 155543112
The reverse of 129521705 is 507125921
Previous prime number is 1433
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine million five hundred twenty-one thousand seven hundred five
Scientific notation
1.29521705 × 10^8
Engineering notation
1.29521705 × 10^6
Prime Factorization
5 × 1433 × 18077
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129521705
Product of the distinct prime numbers
The prime factorization of 129521705 is 5 × 1433 × 18077.
Since it has a total of 3 prime factors.
6 , 1 , 84 , 64 , 547 , 855 , 1799 , 224 , 9351 , 16822 , 383978 , 380754 , 9869778 , 878649 , 41915724 , 60158048 , 832006294 , 175739715 , 4223104549 , 9251960594
n×2
259043410
n×3
388565115
n×4
518086820
n×5
647608525
n÷2
64760852.5
n÷3
43173901.666667
n÷3
32380426.25
n÷5
25904341
n2
16775872066107025
n3
2.1728395528641E+24
n4
2.8142988357839E+32
n5
3.6451278359025E+40
2 √n
11380.760299734
3 √n
505.95767037985
4 √n
106.68064632225
5 √n
41.924559728524
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
-129521704
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 129521705 can be divided by 8 positive divisors.
The sum of these divisors (counting 129521705) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110000101100000101001
3
Ternary
100000201101101012
4
Quaternary
13232011200221
5
Quinary
231124143310
6
Senary
20504033305
8
Octal
756054051
10
Decimal
129521705
12
Duodecimal
37462835
16
Hexadecimal
7b85829
20
Vigesimal
209a455
36
Base36
2543l5
md5
84762608687ac52fe826846e58f690b4
sha1
3564d4d717ec7833094c3e7a98421d3259eb7573
sha256
223747c3ffaffa6e618d7979fafd0582bff22e310b5dfd6458939b52cc47baed
sha512
fa2a34ab81862c51d048da915b67c78949c11c0d9de8e1d17d7eaed26da3aa0179518491c09859e1be635719e47f5d5013017336a6eddd7e9b3eee877cefb101
ripemd-160
d10a86dc271fa5e4034c0d6b22721a374f9098fc
Diameter
259043410
Circumference
813808873.81685
Area
5.2702956440444E+16
Volume
9.1015690356094E+24
Surface area
2.1081182576178E+17
Circumference
813808873.81685
Perimeter
518086820
Area
16775872066107025
Diagonal
183171351.83269
Surface area
100655232396642150
Volume
2.1728395528641E+24
Space diagonal
224338173.74295
Perimeter
388565115
Area
7.2641656899432E+15
Altitude
112169086.87147
Surface area
7.2641656899432E+15
Volume
2.5607159704342E+23
Height
61057117.277562