68389997 is an odd 8-digits composite number following 68389996
and preceding 68389998 . In scientific notation, it is written as 6.8389997 × 10^7.
The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors.
There are 59415552 positive integers (up to 68389997) that are relatively prime to 68389997.
68389997 has 8 divisors, whose sum is 77983416
The reverse of 68389997 is 79998386
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 59
Digital Root 5
Name
sixty-eight million three hundred eighty-nine thousand nine hundred ninety-seven
Scientific notation
6.8389997 × 10^7
Engineering notation
6.8389997 × 10^6
Prime Factorization
17 × 13 × 309457
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68389997
Product of the distinct prime numbers
The prime factorization of 68389997 is 17 × 13 × 309457.
Since it has a total of 3 prime factors.
3 , 3 , 31 , 87 , 961 , 482 , 8524 , 5413 , 49308 , 58991 , 940791 , 319387 , 3734127 , 8017803 , 99363330 , 24954882 , 807897520 , 972519142 , 6038987388 , 306271221
n×2
136779994
n×3
205169991
n×4
273559988
n×5
341949985
n÷2
34194998.5
n÷3
22796665.666667
n÷3
17097499.25
n÷5
13677999.4
n2
4677191689660009
n3
3.1987312562427E+23
n4
2.1876122101825E+31
n5
1.4961079249154E+39
2 √n
8269.8244842318
3 √n
408.94433358243
4 √n
90.938575336497
5 √n
36.897633855807
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
-68389996
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 68389997 can be divided by 8 positive divisors.
The sum of these divisors (counting 68389997) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000100111000110001101101
3
Ternary
11202200120102212
4
Quaternary
10010320301231
5
Quinary
120001434442
6
Senary
10441500205
8
Octal
404706155
10
Decimal
68389997
12
Duodecimal
1aaa1665
16
Hexadecimal
4138c6d
20
Vigesimal
1178ejh
36
Base36
14pu25
md5
3ee31e88224fb17d03074c60c4dcd053
sha1
e64431e8419d2b78121fa066da3b9a7ac67e3364
sha256
3d4f1bcbdfdefdd1435272b708c38017a506eff2318cd952b9bbf7d8cb2e5d83
sha512
dbfc2ae9b5c658c7a4be2f69fc41ca061d3cbfd72c2e565b2c98b6419434e841eb11aab51fd09978a78037a4916f73a029328457aa0224a22e844d7f078d8856
ripemd-160
dd0d73b76ffa58a40b7e5224a76fea1cda8137a1
Diameter
136779994
Circumference
429707024.30846
Area
1.4693831051667E+16
Volume
1.3398814153894E+24
Surface area
5.8775324206668E+16
Circumference
429707024.30846
Perimeter
273559988
Area
4677191689660009
Diagonal
96718061.288055
Surface area
28063150137960054
Volume
3.1987312562427E+23
Space diagonal
118454949.53348
Perimeter
205169991
Area
2.0252834108075E+15
Altitude
59227474.766742
Surface area
2.0252834108075E+15
Volume
3.769740937471E+22
Height
32239353.762685