129351681 is an odd 9-digits composite number following 129351680
and preceding 129351682 . In scientific notation, it is written as 1.29351681 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 86155344 positive integers (up to 129351681) that are relatively prime to 129351681.
129351681 has 8 divisors, whose sum is 134265600
The reverse of 129351681 is 186153921
Previous prime number is 2399
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-nine million three hundred fifty-one thousand six hundred eighty-one
Scientific notation
1.29351681 × 10^8
Engineering notation
1.29351681 × 10^6
Prime Factorization
27 × 2399 × 1997
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129351681
Product of the distinct prime numbers
The prime factorization of 129351681 is 27 × 2399 × 1997.
Since it has a total of 3 prime factors.
5 , 5 , 77 , 38 , 107 , 645 , 7728 , 6398 , 95951 , 773 , 153814 , 117661 , 5296809 , 176954 , 35260986 , 13960812 , 77226500 , 881252553 , 3174686387 , 9009734487
n×2
258703362
n×3
388055043
n×4
517406724
n×5
646758405
n÷2
64675840.5
n÷3
43117227
n÷3
32337920.25
n÷5
25870336.2
n2
16731857377525761
n3
2.1642938780352E+24
n4
2.7995505130186E+32
n5
3.6212656490337E+40
2 √n
11373.288046999
3 √n
505.73618210687
4 √n
106.64561897705
5 √n
41.913547014974
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
-129351680
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 129351681 can be divided by 8 positive divisors.
The sum of these divisors (counting 129351681) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101011100000000000001
3
Ternary
100000101202011000
4
Quaternary
13231130000001
5
Quinary
231103223211
6
Senary
20500242213
8
Octal
755340001
10
Decimal
129351681
12
Duodecimal
373a0369
16
Hexadecimal
7b5c001
20
Vigesimal
2088j41
36
Base36
250ge9
md5
5b8238e86bfe1ef80a63228f791dfceb
sha1
20c250534040bd8207bb9dbf07d069f6e535b79e
sha256
4e0cf782981976e660e5736feb839b01c77960770311cb235649733980493daa
sha512
d7ab9bc33ece5ee6fdf8579b63dce250874e51f4a28b728ab94165e04538ef10c0d070ead57defc43c8bc05a4e69f19ff7c86f38d965e3ca86c12bf5ab447410
ripemd-160
9a3722bfc4bafb76b53c08acdc1f179b32ab8d57
Diameter
258703362
Circumference
812740581.51818
Area
5.2564680218147E+16
Volume
9.065772996593E+24
Surface area
2.1025872087259E+17
Circumference
812740581.51818
Perimeter
517406724
Area
16731857377525761
Diagonal
182930901.58596
Surface area
100391144265154566
Volume
2.1642938780352E+24
Space diagonal
224043683.53644
Perimeter
388055043
Area
7.2451067707177E+15
Altitude
112021841.76822
Surface area
7.2451067707177E+15
Volume
2.5506447960654E+23
Height
60976967.195319