68722018 is an even 8-digits composite number following 68722017
and preceding 68722019 . In scientific notation, it is written as 6.8722018 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 34361008 positive integers (up to 68722018) that are relatively prime to 68722018.
68722018 has 4 divisors, whose sum is 103083030
The reverse of 68722018 is 81022786
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixty-eight million seven hundred twenty-two thousand eighteen
Scientific notation
6.8722018 × 10^7
Engineering notation
6.8722018 × 10^6
Prime Factorization
2 × 34361009
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68722018
Product of the distinct prime numbers
The prime factorization of 68722018 is 2 × 34361009.
Since it has a total of 2 prime factors.
4 , 10 , 66 , 19 , 207 , 297 , 8597 , 4218 , 1961 , 15457 , 915303 , 463873 , 7562777 , 6310692 , 55085527 , 33281258 , 502486257 , 965823670 , 3284613229 , 3330461145
n×2
137444036
n×3
206166054
n×4
274888072
n×5
343610090
n÷2
34361009
n÷3
22907339.333333
n÷3
17180504.5
n÷5
13744403.6
n2
4722715757992324
n3
3.2455455732963E+23
n4
2.2304044130789E+31
n5
1.5327789222289E+39
2 √n
8289.8744260694
3 √n
409.6050489757
4 √n
91.048747526089
5 √n
36.93339074643
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68722017
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68722018 can be divided by 4 positive divisors.
The sum of these divisors (counting 68722018) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000110001001110101100010
3
Ternary
11210022102212221
4
Quaternary
10012021311202
5
Quinary
120043101033
6
Senary
10452541254
8
Octal
406116542
10
Decimal
68722018
12
Duodecimal
1b02182a
16
Hexadecimal
4189d62
20
Vigesimal
119a50i
36
Base36
14wy8y
md5
e68bda782cdf183622635a161ebadf7e
sha1
f997a24774b97ddbe81d68053f00480181ecd579
sha256
979e1463e3b0bdba33b525883132730aed7f0c7ac2850fe5a185d32ad8d89fd3
sha512
e7d091d34e2310ceaadfd2c290155c9153baf681307e7d59b39be528a6928777759d9b720e3e9b06ac4bce4670ccd09841a7d7e9882eee973ac91833c5848687
ripemd-160
5a46b37cde5f85fe7c35d4e7ad262d5f39e90352
Diameter
137444036
Circumference
431793173.77733
Area
1.4836849130301E+16
Volume
1.3594909506611E+24
Surface area
5.9347396521206E+16
Circumference
431793173.77733
Perimeter
274888072
Area
4722715757992324
Diagonal
97187609.889248
Surface area
28336294547953944
Volume
3.2455455732963E+23
Space diagonal
119030026.77466
Perimeter
206166054
Area
2.0449959106372E+15
Altitude
59515013.387331
Surface area
2.0449959106372E+15
Volume
3.824912139213E+22
Height
32395869.963083