68129898 is an even 8-digits composite number following 68129897
and preceding 68129899 . In scientific notation, it is written as 6.8129898 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 22709964 positive integers (up to 68129898) that are relatively prime to 68129898.
68129898 has 8 divisors, whose sum is 136259808
The reverse of 68129898 is 89892186
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-eight million one hundred twenty-nine thousand eight hundred ninety-eight
Scientific notation
6.8129898 × 10^7
Engineering notation
6.8129898 × 10^6
Prime Factorization
2 × 3 × 11354983
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68129898
Product of the distinct prime numbers
The prime factorization of 68129898 is 2 × 3 × 11354983.
Since it has a total of 3 prime factors.
8 , 7 , 91 , 22 , 639 , 282 , 1531 , 7696 , 17034 , 61511 , 927690 , 914552 , 3974020 , 5485275 , 83601818 , 27844567 , 160359638 , 134652768 , 1840507705 , 1119645610
n×2
136259796
n×3
204389694
n×4
272519592
n×5
340649490
n÷2
34064949
n÷3
22709966
n÷3
17032474.5
n÷5
13625979.6
n2
4641683001490404
n3
3.1623738943988E+23
n4
2.1545221086325E+31
n5
1.4678737149988E+39
2 √n
8254.0837165612
3 √n
408.42524626308
4 √n
90.851987961525
5 √n
36.869525444717
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
-68129897
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 68129898 can be divided by 8 positive divisors.
The sum of these divisors (counting 68129898) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000011111001010001101010
3
Ternary
11202012100122120
4
Quaternary
10003321101222
5
Quinary
114420124043
6
Senary
10432132110
8
Octal
403712152
10
Decimal
68129898
12
Duodecimal
1a997036
16
Hexadecimal
40f946a
20
Vigesimal
115g4ei
36
Base36
14k9d6
md5
c866721dbde8e31f408026c8de7cbf5e
sha1
82fdc983986cd639c6356762a1ea32b19cceb748
sha256
eb69316652071c6d2053778e399b893e929a72c942298c1e241c9b213a4e9205
sha512
ea9f5a2b07f4eac4d862eb04eb87f91a189eef686310b70f6dffffea44aed3a9b3ddd28252ceeaaf027948caef5339769e7a8a22135e632e4c9bae30b324470d
ripemd-160
699dd3b603ac2a81d80c3190b7bf630d1fd66aca
Diameter
136259796
Circumference
428072774.09324
Area
1.4582277217775E+16
Volume
1.324652079273E+24
Surface area
5.8329108871099E+16
Circumference
428072774.09324
Perimeter
272519592
Area
4641683001490404
Diagonal
96350225.754696
Surface area
27850098008942424
Volume
3.1623738943988E+23
Space diagonal
118004444.85049
Perimeter
204389694
Area
2.0099076978025E+15
Altitude
59002222.425243
Surface area
2.0099076978025E+15
Volume
3.7268933756278E+22
Height
32116741.918232