68754921 is an odd 8-digits composite number following 68754920
and preceding 68754922 . In scientific notation, it is written as 6.8754921 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 45733632 positive integers (up to 68754921) that are relatively prime to 68754921.
68754921 has 8 divisors, whose sum is 91879200
The reverse of 68754921 is 12945786
Previous prime number is 449
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-eight million seven hundred fifty-four thousand nine hundred twenty-one
Scientific notation
6.8754921 × 10^7
Engineering notation
6.8754921 × 10^6
Prime Factorization
3 × 449 × 51043
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68754921
Product of the distinct prime numbers
The prime factorization of 68754921 is 3 × 449 × 51043.
Since it has a total of 3 prime factors.
4 , 1 , 57 , 22 , 94 , 239 , 6750 , 5751 , 95122 , 82769 , 687295 , 246471 , 5026373 , 1192523 , 7142409 , 87287457 , 355343881 , 277593610 , 7967549043 , 4818505757
n×2
137509842
n×3
206264763
n×4
275019684
n×5
343774605
n÷2
34377460.5
n÷3
22918307
n÷3
17188730.25
n÷5
13750984.2
n2
4727239161716241
n3
3.2502095511191E+23
n4
2.2346790092064E+31
n5
1.5364517873834E+39
2 √n
8291.8587180439
3 √n
409.6704093216
4 √n
91.059643739935
5 √n
36.936926692337
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
-68754920
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 68754921 can be divided by 8 positive divisors.
The sum of these divisors (counting 68754921) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000110010001110111101001
3
Ternary
11210101010000120
4
Quaternary
10012101313221
5
Quinary
120100124141
6
Senary
10453353453
8
Octal
406216751
10
Decimal
68754921
12
Duodecimal
1b038889
16
Hexadecimal
4191de9
20
Vigesimal
119e761
36
Base36
14xnmx
md5
1987ccd34949caa59a4863b49c37dc77
sha1
352275ddfd2a82c899bbb60d75110987efb5154c
sha256
35d6242ed34f8e7ed733023dafd29d70abd94b90859b3535ab1e39f2a4613e39
sha512
2165cceeadd2c2ef1a41b4eb44725c9220eaca249343c348fa93f34b9f48151c4359ee1cc897fbebe45763c96434853b394054eed401bb86fe236532dee093eb
ripemd-160
e762051abd5515f34a770ac0843c1b5b5d8f6b94
Diameter
137509842
Circumference
431999909.42349
Area
1.485105982221E+16
Volume
1.3614445931231E+24
Surface area
5.9404239288839E+16
Circumference
431999909.42349
Perimeter
275019684
Area
4727239161716241
Diagonal
97234141.758091
Surface area
28363434970297446
Volume
3.2502095511191E+23
Space diagonal
119087016.44238
Perimeter
206264763
Area
2.0469546019055E+15
Altitude
59543508.221192
Surface area
2.0469546019055E+15
Volume
3.8304086897893E+22
Height
32411380.58603