129391208 is an even 9-digits composite number following 129391207
and preceding 129391209 . In scientific notation, it is written as 1.29391208 × 10^8.
The sum of its digits is 35. It has a total of 5 prime factors and 16 positive divisors.
There are 64229616 positive integers (up to 129391208) that are relatively prime to 129391208.
129391208 has 16 divisors, whose sum is 244356000
The reverse of 129391208 is 802193921
Previous prime number is 139
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-nine million three hundred ninety-one thousand two hundred eight
Scientific notation
1.29391208 × 10^8
Engineering notation
1.29391208 × 10^6
Prime Factorization
2 × 2 × 2 × 139 × 116359
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32347802
Product of the distinct prime numbers
The prime factorization of 129391208 is 2 × 2 × 2 × 139 × 116359.
Since it has a total of 5 prime factors.
9 , 1 , 78 , 23 , 330 , 110 , 4550 , 4532 , 50623 , 71727 , 416760 , 809974 , 3731038 , 6382162 , 89929017 , 89610637 , 613293764 , 27039548 , 1599846398 , 9460515866
n×2
258782416
n×3
388173624
n×4
517564832
n×5
646956040
n÷2
64695604
n÷3
43130402.666667
n÷3
32347802
n÷5
25878241.6
n2
16742084707699264
n3
2.1662785647675E+24
n4
2.8029740035978E+32
n5
3.6268019231811E+40
2 √n
11375.025626345
3 √n
505.78769077448
4 √n
106.6537651766
5 √n
41.916108271689
1 , 2 , 4 , 8 , 139 , 278 , 556 , 1112 , 116359 , 232718 , 465436 , 930872 , 16173901 , 32347802 , 64695604 , 129391208
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
-129391207
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 129391208 can be divided by 16 positive divisors.
The sum of these divisors (counting 129391208) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101100101101001101000
3
Ternary
100000110202100222
4
Quaternary
13231211221220
5
Quinary
231111004313
6
Senary
20501145212
8
Octal
755455150
10
Decimal
129391208
12
Duodecimal
373bb208
16
Hexadecimal
7b65a68
20
Vigesimal
208di08
36
Base36
251aw8
md5
64a601f2a3f9e3991acd060b12e29a73
sha1
47bbff3eddaa99e43e70f86bf575c64e5b85822a
sha256
db6122f4d58c01e79e4e039c84b4ff70712b94736f4898029148962eff7ff660
sha512
b9ead934c7ef9e5b703a7263e3d01cd3dd0cfa4b65f02bdfc563cfd5e711c5616ca0edebe593fae7d63b3352c92342b1a7dbbc9d99d83dcf7d58029248c4b284
ripemd-160
18a5b57fe9417194154f6de90dc127c1896af585
Diameter
258782416
Circumference
812988936.98382
Area
5.2596810323486E+16
Volume
9.074086432937E+24
Surface area
2.1038724129394E+17
Circumference
812988936.98382
Perimeter
517564832
Area
16742084707699264
Diagonal
182986801.20544
Surface area
100452508246195584
Volume
2.1662785647675E+24
Space diagonal
224112146.30871
Perimeter
388173624
Area
7.2495353345893E+15
Altitude
112056073.15436
Surface area
7.2495353345893E+15
Volume
2.5529837718103E+23
Height
60995600.401813