129718912 is an even 9-digits composite number following 129718911
and preceding 129718913 . In scientific notation, it is written as 1.29718912 × 10^8.
The sum of its digits is 40. It has a total of 8 prime factors and 16 positive divisors.
There are 64859392 positive integers (up to 129718912) that are relatively prime to 129718912.
129718912 has 16 divisors, whose sum is 258424650
The reverse of 129718912 is 219817921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-nine million seven hundred eighteen thousand nine hundred twelve
Scientific notation
1.29718912 × 10^8
Engineering notation
1.29718912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 1013429
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
2026858
Product of the distinct prime numbers
The prime factorization of 129718912 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 1013429.
Since it has a total of 8 prime factors.
9 , 1 , 22 , 25 , 809 , 232 , 9788 , 3699 , 87605 , 74123 , 284468 , 188080 , 308258 , 1076816 , 3637145 , 31287485 , 377115484 , 992547279 , 9603067863 , 4857116906
n×2
259437824
n×3
389156736
n×4
518875648
n×5
648594560
n÷2
64859456
n÷3
43239637.333333
n÷3
32429728
n÷5
25943782.4
n2
16826996130463744
n3
2.182779630272E+24
n4
2.8314779877464E+32
n5
3.6729624392241E+40
2 √n
11389.421056401
3 √n
506.21432696864
4 √n
106.72123057949
5 √n
41.937318649331
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 1013429 , 2026858 , 4053716 , 8107432 , 16214864 , 32429728 , 64859456 , 129718912
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129718911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129718912 can be divided by 16 positive divisors.
The sum of these divisors (counting 129718912) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110110101101010000000
3
Ternary
100001002101220011
4
Quaternary
13232311222000
5
Quinary
231202001122
6
Senary
20512154304
8
Octal
756655200
10
Decimal
129718912
12
Duodecimal
37538994
16
Hexadecimal
7bb5a80
20
Vigesimal
20aeh5c
36
Base36
258br4
md5
1fd2723bdcd2a9cc2f4e128166a8cdc1
sha1
14242a12c6fa2752e549df7bf1df71e78a5e7c5b
sha256
ffac49bb3a3f3c92d965fb51a5893ed3eb27a0f7474e3212cf409742b6a5854c
sha512
6b741fec26ce4635db618d27a1401fd54d0eec87c030b996e5412f1fca0608f0fd1b81199f761f83bb3cbaac02cdb02ee83f69c265860ee83cf784df830b6bb7
ripemd-160
aff6a8e41fcdda38ed1a000e36bd40088dcb7aee
Diameter
259437824
Circumference
815047961.94172
Area
5.2863567425449E+16
Volume
9.1432059344905E+24
Surface area
2.114542697018E+17
Circumference
815047961.94172
Perimeter
518875648
Area
16826996130463744
Diagonal
183450244.64668
Surface area
100961976782782464
Volume
2.182779630272E+24
Space diagonal
224679746.28656
Perimeter
389156736
Area
7.286303059182E+15
Altitude
112339873.14328
Surface area
7.286303059182E+15
Volume
2.572430464002E+23
Height
61150081.548894