68378889 is an odd 8-digits composite number following 68378888
and preceding 68378890 . In scientific notation, it is written as 6.8378889 × 10^7.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 45115776 positive integers (up to 68378889) that are relatively prime to 68378889.
68378889 has 8 divisors, whose sum is 92112160
The reverse of 68378889 is 98887386
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
sixty-eight million three hundred seventy-eight thousand eight hundred eighty-nine
Scientific notation
6.8378889 × 10^7
Engineering notation
6.8378889 × 10^6
Prime Factorization
3 × 97 × 234979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68378889
Product of the distinct prime numbers
The prime factorization of 68378889 is 3 × 97 × 234979.
Since it has a total of 3 prime factors.
3 , 3 , 54 , 84 , 756 , 904 , 3956 , 3871 , 85652 , 35667 , 722071 , 718026 , 4319009 , 443468 , 1730807 , 49763927 , 77403053 , 555418067 , 4931356376 , 6642894668
n×2
136757778
n×3
205136667
n×4
273515556
n×5
341894445
n÷2
34189444.5
n÷3
22792963
n÷3
17094722.25
n÷5
13675777.8
n2
4675672460874321
n3
3.1971728820248E+23
n4
2.1861912961379E+31
n5
1.4948933197138E+39
2 √n
8269.152858667
3 √n
408.92219194469
4 √n
90.934882518575
5 √n
36.896435184757
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
-68378888
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 68378889 can be divided by 8 positive divisors.
The sum of these divisors (counting 68378889) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000100110110000100001001
3
Ternary
11202200000012110
4
Quaternary
10010312010021
5
Quinary
120001111024
6
Senary
10441332533
8
Octal
404660411
10
Decimal
68378889
12
Duodecimal
1aa97149
16
Hexadecimal
4136109
20
Vigesimal
1177749
36
Base36
14plhl
md5
e76c2d382356a9cd43223a3e2b90d866
sha1
6c63e9429ade2689cd65c7c7995364f93d7ad739
sha256
ea819a617b9ee167abe7b5e18958bc62decbd0a93fabb0b01ffba3137523b9c2
sha512
022698ed99c0915e7c043ecf8fe2baf65b6d08e4c99c585e728c4a59dee3b0d8ad25baf70e8a2df9e6195f1579fa69d71517cf84b1259461e1e3683edd55fbc2
ripemd-160
e5f727c52bbee4557b7d6dfb531206fb5eed2bd5
Diameter
136757778
Circumference
429637230.68606
Area
1.4689058253675E+16
Volume
1.3392286451234E+24
Surface area
5.87562330147E+16
Circumference
429637230.68606
Perimeter
273515556
Area
4675672460874321
Diagonal
96702352.203804
Surface area
28054034765245926
Volume
3.1971728820248E+23
Space diagonal
118435709.91311
Perimeter
205136667
Area
2.0246255654462E+15
Altitude
59217854.956556
Surface area
2.0246255654462E+15
Volume
3.7679043758425E+22
Height
32234117.401268