68742968 is an even 8-digits composite number following 68742967
and preceding 68742969 . In scientific notation, it is written as 6.8742968 × 10^7.
The sum of its digits is 50. It has a total of 6 prime factors and 32 positive divisors.
There are 27495936 positive integers (up to 68742968) that are relatively prime to 68742968.
68742968 has 32 divisors, whose sum is 148229760
The reverse of 68742968 is 86924786
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
sixty-eight million seven hundred forty-two thousand nine hundred sixty-eight
Scientific notation
6.8742968 × 10^7
Engineering notation
6.8742968 × 10^6
Prime Factorization
2 × 2 × 2 × 7531 × 7 × 163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
17185742
Product of the distinct prime numbers
The prime factorization of 68742968 is 2 × 2 × 2 × 7531 × 7 × 163.
Since it has a total of 6 prime factors.
9 , 10 , 29 , 50 , 515 , 144 , 7843 , 7848 , 77799 , 67939 , 697300 , 385128 , 3260502 , 9916527 , 12605688 , 96578088 , 250193021 , 562528083 , 4305802138 , 4619069479
n×2
137485936
n×3
206228904
n×4
274971872
n×5
343714840
n÷2
34371484
n÷3
22914322.666667
n÷3
17185742
n÷5
13748593.6
n2
4725595649449024
n3
3.2485147051101E+23
n4
2.2331254242092E+31
n5
1.535116695764E+39
2 √n
8291.1379194897
3 √n
409.64666763094
4 √n
91.055685816371
5 √n
36.9356423107
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 163 , 326 , 652 , 1141 , 1304 , 2282 , 4564 , 7531 , 9128 , 15062 , 30124 , 52717 , 60248 , 105434 , 210868 , 421736 , 1227553 , 2455106 , 4910212 , 8592871 , 9820424 , 17185742 , 34371484 , 68742968
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68742967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68742968 can be divided by 32 positive divisors.
The sum of these divisors (counting 68742968) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100000110001110111100111000
3
Ternary
11210100111121212
4
Quaternary
10012032330320
5
Quinary
120044233333
6
Senary
10453222252
8
Octal
406167470
10
Decimal
68742968
12
Duodecimal
1b031988
16
Hexadecimal
418ef38
20
Vigesimal
119ch88
36
Base36
14xeew
md5
af4715054bf01e8a6f3903b159901a47
sha1
e3e7f2b8dc49b060ded974eb9dd383b657a3a504
sha256
3ee336c1677b0a4607461421c5bf6977fda984b2c521eeb3a55ce3088529b12e
sha512
3957c710d748df38a43d8cc49179ca54896fa921dc0714dc0703ecf69eed6c98baf790bcfdd19a3664acd744054a754915267f9e8a73788dc31c5f953dd24a80
ripemd-160
0e7fee13dffa5d28736b26195f09edba639a79e9
Diameter
137485936
Circumference
431924806.50952
Area
1.4845896576145E+16
Volume
1.360734657687E+24
Surface area
5.938358630458E+16
Circumference
431924806.50952
Perimeter
274971872
Area
4725595649449024
Diagonal
97217237.66338
Surface area
28353573896694144
Volume
3.2485147051101E+23
Space diagonal
119066313.23908
Perimeter
206228904
Area
2.046242940218E+15
Altitude
59533156.619541
Surface area
2.046242940218E+15
Volume
3.8284112946127E+22
Height
32405745.887793