68278638 is an even 8-digits composite number following 68278637
and preceding 68278639 . In scientific notation, it is written as 6.8278638 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 22733760 positive integers (up to 68278638) that are relatively prime to 68278638.
68278638 has 16 divisors, whose sum is 136712016
The reverse of 68278638 is 83687286
Previous prime number is 953
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
sixty-eight million two hundred seventy-eight thousand six hundred thirty-eight
Scientific notation
6.8278638 × 10^7
Engineering notation
6.8278638 × 10^6
Prime Factorization
2 × 3 × 953 × 11941
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68278638
Product of the distinct prime numbers
The prime factorization of 68278638 is 2 × 3 × 953 × 11941.
Since it has a total of 4 prime factors.
10 , 2 , 85 , 57 , 997 , 87 , 3431 , 7550 , 22275 , 53109 , 436053 , 405414 , 9958283 , 8939184 , 1583431 , 44491949 , 153979755 , 899943570 , 5995494633 , 537904458
n×2
136557276
n×3
204835914
n×4
273114552
n×5
341393190
n÷2
34139319
n÷3
22759546
n÷3
17069659.5
n÷5
13655727.6
n2
4661972407135044
n3
3.1831312635276E+23
n4
2.1733986724889E+31
n5
1.4839670118855E+39
2 √n
8263.0888897555
3 √n
408.72225250954
4 √n
90.901534034115
5 √n
36.885609985083
1 , 2 , 3 , 6 , 953 , 1906 , 2859 , 5718 , 11941 , 23882 , 35823 , 71646 , 11379773 , 22759546 , 34139319 , 68278638
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
-68278637
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 68278638 can be divided by 16 positive divisors.
The sum of these divisors (counting 68278638) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000100011101100101101110
3
Ternary
11202110220200110
4
Quaternary
10010131211232
5
Quinary
114434404023
6
Senary
10435240450
8
Octal
404354556
10
Decimal
68278638
12
Duodecimal
1aa49126
16
Hexadecimal
411d96e
20
Vigesimal
116egbi
36
Base36
14ng4u
md5
e74f80b19fcfd68fd5aa9e74e20fc5ab
sha1
4c27e5ba147c44a4c84c9a42bbe07018e46eb41c
sha256
bc691116aa3b1c76b2c54af933e8326806c1b6f65fd40ebb44bab74112da3d54
sha512
552b8b92d4b4072d5f5ee240764bdde97ec442cf246440ef0380ae0a9f884c0aa5a898ab4f9a7a3608b193de399087f460822e4e3baa7c9ac87b17dc827414d8
ripemd-160
17e2138a9a9fbbab271fef9bd2f36836862821ce
Diameter
136557276
Circumference
429007335.07583
Area
1.4646018265494E+16
Volume
1.3333469057214E+24
Surface area
5.8584073061975E+16
Circumference
429007335.07583
Perimeter
273114552
Area
4661972407135044
Diagonal
96560575.879963
Surface area
27971834442810264
Volume
3.1831312635276E+23
Space diagonal
118262070.0876
Perimeter
204835914
Area
2.0186932681605E+15
Altitude
59131035.043802
Surface area
2.0186932681605E+15
Volume
3.7513561697455E+22
Height
32186858.626654