68442018 is an even 8-digits composite number following 68442017
and preceding 68442019 . In scientific notation, it is written as 6.8442018 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 22814004 positive integers (up to 68442018) that are relatively prime to 68442018.
68442018 has 8 divisors, whose sum is 136884048
The reverse of 68442018 is 81024486
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
sixty-eight million four hundred forty-two thousand eighteen
Scientific notation
6.8442018 × 10^7
Engineering notation
6.8442018 × 10^6
Prime Factorization
2 × 3 × 11407003
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68442018
Product of the distinct prime numbers
The prime factorization of 68442018 is 2 × 3 × 11407003.
Since it has a total of 3 prime factors.
7 , 3 , 7 , 89 , 771 , 413 , 7236 , 442 , 55977 , 7504 , 64380 , 507280 , 9050292 , 9654465 , 71827257 , 55733133 , 51201791 , 543020581 , 3801501581 , 5210913149
n×2
136884036
n×3
205326054
n×4
273768072
n×5
342210090
n÷2
34221009
n÷3
22814006
n÷3
17110504.5
n÷5
13688403.6
n2
4684309827912324
n3
3.2060361755955E+23
n4
2.1942758563876E+31
n5
1.5018066765985E+39
2 √n
8272.9691163451
3 √n
409.04799543566
4 √n
90.955863562198
5 √n
36.903245401785
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
-68442017
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 68442018 can be divided by 8 positive divisors.
The sum of these divisors (counting 68442018) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101000101011110100010
3
Ternary
11202210012210120
4
Quaternary
10011011132202
5
Quinary
120010121033
6
Senary
10442541110
8
Octal
405053642
10
Decimal
68442018
12
Duodecimal
1ab07796
16
Hexadecimal
41457a2
20
Vigesimal
117f50i
36
Base36
14qy76
md5
f790d8dcfe77ec4019920b31d4131cc2
sha1
081e4596671040528fdfefaa337f654eb88f47a1
sha256
5d91d4ea0216f1fae8e3cea173e89b7f49e9627b37935feba925ef541c12340f
sha512
74903a4710f859a01f8f2b0fc02f79cbe08be8d5b24d4f86a8681573eae5dd897120b9733aade030aad250407599fcca3b8a4cd04ddd33722b8ab85a3559e22c
ripemd-160
c9f45f432c9f65fcf9c9a1087359b0518f31616d
Diameter
136884036
Circumference
430033881.89132
Area
1.4716193342508E+16
Volume
1.3429412928525E+24
Surface area
5.8864773370031E+16
Circumference
430033881.89132
Perimeter
273768072
Area
4684309827912324
Diagonal
96791630.091783
Surface area
28105858967473944
Volume
3.2060361755955E+23
Space diagonal
118545052.54854
Perimeter
205326054
Area
2.0283656550846E+15
Altitude
59272526.274272
Surface area
2.0283656550846E+15
Volume
3.7783498674883E+22
Height
32263876.697261