129391168 is an even 9-digits composite number following 129391167
and preceding 129391169 . In scientific notation, it is written as 1.29391168 × 10^8.
The sum of its digits is 40. It has a total of 7 prime factors and 14 positive divisors.
There are 64695552 positive integers (up to 129391168) that are relatively prime to 129391168.
129391168 has 14 divisors, whose sum is 256760726
The reverse of 129391168 is 861193921
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 three hundred ninety-one thousand one hundred sixty-eight
Scientific notation
1.29391168 × 10^8
Engineering notation
1.29391168 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2021737
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
7 Total number of prime factors
rad Radical
4043474 Product of the distinct prime numbers
The prime factorization of 129391168 is 2 × 2 × 2 × 2 × 2 × 2 × 2021737.
Since it has a total of 7 prime factors.
1 , 1 , 55 , 67 , 442 , 511 , 9099 , 4854 , 48089 , 43486 , 519578 , 680595 , 7079497 , 6584468 , 48526664 , 38883030 , 502764611 , 5549301 , 2163571472 , 5268355272
n×2
258782336
n×3
388173504
n×4
517564672
n×5
646955840
n÷2
64695584
n÷3
43130389.333333
n÷3
32347792
n÷5
25878233.6
n2
16742074356404224
n3
2.166276555718E+24
n4
2.8029705375537E+32
n5
3.6267963172366E+40
2 √n11375.023868107
3 √n505.78763865474
4 √n106.65375693386
5 √n41.916105680099
1 , 2 , 4 , 8 , 16 , 32 , 64 , 2021737 , 4043474 , 8086948 , 16173896 , 32347792 , 64695584 , 129391168
14 divisors
τ Total Divisors
14 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129391167 Sum of the proper positive divisors of n
A Arithmetic Mean
0.071428571428571 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
14 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129391168 can be divided by 14 positive divisors.
The sum of these divisors (counting 129391168) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
111101101100101101001000000
3
Ternary
100000110202022111
4
Quaternary
13231211221000
5
Quinary
231111004133
6
Senary
20501145104
8
Octal
755455100
10
Decimal
129391168
12
Duodecimal
373bb194
16
Hexadecimal
7b65a40
20
Vigesimal
208dhi8
36
Base36
251av4
md5
9c1227ae175fb9d0aee018cc5be1727f
sha1
a0646dca43d5a07ef860b5ed4d37ec3122356d10
sha256
c7fbb46918491e0c61add50a462a6f2f59ab3c40c49b29a9e3c2bdb8f79fbba1
sha512
a1e1a8e311ac6100c82986bb8ca52b0ead52ffe81713a5530f6ac945c8604c4d44b3ad682aabed512c211bf35525bcd20eb63a6c5566125de2d5efec1c01c234
ripemd-160
b9e55e98717b3356b148903827384a99e3c46e30
Diameter
258782336
Circumference
812988685.65641
Area
5.2596777803934E+16
Volume
9.0740780174499E+24
Surface area
2.1038711121573E+17
Circumference
812988685.65641
Perimeter
517564672
Area
16742074356404224
Diagonal
182986744.6369
Surface area
100452446138425344
Volume
2.166276555718E+24
Space diagonal
224112077.02668
Perimeter
388173504
Area
7.249530852347E+15
Altitude
112056038.51334
Surface area
7.249530852347E+15
Volume
2.5529814041227E+23
Height
60995581.545632