68636621 is an odd 8-digits prime number following 68636620
and preceding 68636622 . In scientific notation, it is written as 6.8636621 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 68636620 positive integers (up to 68636621) that are relatively prime to 68636621.
68636621 has 2 divisors, whose sum is 68636622
The reverse of 68636621 is 12663686
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-eight million six hundred thirty-six thousand six hundred twenty-one
Scientific notation
6.8636621 × 10^7
Engineering notation
6.8636621 × 10^6
Prime Factorization
68636621
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
68636621
Product of the distinct prime numbers
The prime factorization of 68636621 is 68636621.
Since it has a total of 1 prime factors.
1 , 7 , 23 , 11 , 776 , 504 , 3264 , 2743 , 78014 , 47242 , 413901 , 830625 , 8348937 , 3388117 , 28820993 , 92282719 , 627059378 , 380774937 , 5947504648 , 7228363387
n×2
137273242
n×3
205909863
n×4
274546484
n×5
343183105
n÷2
34318310.5
n÷3
22878873.666667
n÷3
17159155.25
n÷5
13727324.2
n2
4710985742297641
n3
3.2334614293049E+23
n4
2.2193386664132E+31
n5
1.5232790691725E+39
2 √n
8284.7221438018
3 √n
409.43531423745
4 √n
91.02044904197
5 √n
36.924207169605
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
68636622
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
34318311
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8284.7222041539
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999970861
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68636621 can be divided by 2 positive divisors.
The sum of these divisors (counting 68636621) is 68636622, the average is 34318311.
Base
System
Value
2
Binary
100000101110100111111001101
3
Ternary
11210011002202002
4
Quaternary
10011310333031
5
Quinary
120032332441
6
Senary
10451042045
8
Octal
405647715
10
Decimal
68636621
12
Duodecimal
1aba0325
16
Hexadecimal
4174fcd
20
Vigesimal
118jbb1
36
Base36
14v4ct
md5
79cb44a1dec7765038bd4b74b1e270f3
sha1
fdccacb3b2f7c48d4d087e91a00288b3eb2cdba6
sha256
583a165bff1db5023651ef9b56b1de4853266527680c405ba2c89fd2c82fb833
sha512
3a65d1978ed6f730b2b97ebc3dddd6ec1ef88855694a7091515c251f87a372f23e7a091e08a5feab7acd1785b104d083747c3194817a30f73aaa004697858dae
ripemd-160
cbf3e18410efaa63c823eb2a44f1a0682f866d2f
Diameter
137273242
Circumference
431256608.60165
Area
1.4799998199169E+16
Volume
1.3544291562627E+24
Surface area
5.9199992796674E+16
Circumference
431256608.60165
Perimeter
274546484
Area
4710985742297641
Diagonal
97066840.293662
Surface area
28265914453785846
Volume
3.2334614293049E+23
Space diagonal
118882114.83185
Perimeter
205909863
Area
2.039916664848E+15
Altitude
59441057.415924
Surface area
2.039916664848E+15
Volume
3.8106708389444E+22
Height
32355613.431221