68636638 is an even 8-digits composite number following 68636637
and preceding 68636639 . In scientific notation, it is written as 6.8636638 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 28789560 positive integers (up to 68636638) that are relatively prime to 68636638.
68636638 has 16 divisors, whose sum is 120167424
The reverse of 68636638 is 83663686
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-eight million six hundred thirty-six thousand six hundred thirty-eight
Scientific notation
6.8636638 × 10^7
Engineering notation
6.8636638 × 10^6
Prime Factorization
2 × 7 × 47 × 104311
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68636638
Product of the distinct prime numbers
The prime factorization of 68636638 is 2 × 7 × 47 × 104311.
Since it has a total of 4 prime factors.
4 , 6 , 45 , 68 , 686 , 878 , 8483 , 1668 , 92433 , 55833 , 211179 , 878435 , 2385552 , 7503080 , 51159352 , 68668019 , 343194183 , 923397225 , 6082136748 , 3518339548
n×2
137273276
n×3
205909914
n×4
274546552
n×5
343183190
n÷2
34318319
n÷3
22878879.333333
n÷3
17159159.5
n÷5
13727327.6
n2
4710988075943044
n3
3.2334638319082E+23
n4
2.2193408651678E+31
n5
1.5232809556113E+39
2 √n
8284.7231697867
3 √n
409.43534804059
4 √n
91.020454677982
5 √n
36.924208998691
1 , 2 , 7 , 14 , 47 , 94 , 329 , 658 , 104311 , 208622 , 730177 , 1460354 , 4902617 , 9805234 , 34318319 , 68636638
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
-68636637
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 68636638 can be divided by 16 positive divisors.
The sum of these divisors (counting 68636638) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000101110100111111011110
3
Ternary
11210011002202201
4
Quaternary
10011310333132
5
Quinary
120032333023
6
Senary
10451042114
8
Octal
405647736
10
Decimal
68636638
12
Duodecimal
1aba033a
16
Hexadecimal
4174fde
20
Vigesimal
118jbbi
36
Base36
14v4da
md5
f5e6689ab2627a8924e53ff0e809cd69
sha1
1d65082d4ce3771b5b5a3995034089b7334695fd
sha256
343208b8e98c41f171542d9daa23792ec4e9115f9346bf840f775deba903023f
sha512
6f1458466fc96934ee314f3cb64cce482d8f96e6a6e6a117d83a56487df8410eae71a6204637653aec11da5c8623aa913e31a83c2a8c743e1f60840c19b91304
ripemd-160
a608d3a03a3f1e31d3d886588bb062dec9d129ea
Diameter
137273276
Circumference
431256715.4158
Area
1.4800005530532E+16
Volume
1.3544301626628E+24
Surface area
5.9200022122127E+16
Circumference
431256715.4158
Perimeter
274546552
Area
4710988075943044
Diagonal
97066864.335293
Surface area
28265928455658264
Volume
3.2334638319082E+23
Space diagonal
118882144.27671
Perimeter
205909914
Area
2.0399176753461E+15
Altitude
59441072.138356
Surface area
2.0399176753461E+15
Volume
3.8106736704395E+22
Height
32355621.445098