68706988 is an even 8-digits composite number following 68706987
and preceding 68706989 . In scientific notation, it is written as 6.8706988 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors.
There are 29445840 positive integers (up to 68706988) that are relatively prime to 68706988.
68706988 has 12 divisors, whose sum is 137414032
The reverse of 68706988 is 88960786
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
sixty-eight million seven hundred six thousand nine hundred eighty-eight
Scientific notation
6.8706988 × 10^7
Engineering notation
6.8706988 × 10^6
Prime Factorization
2 × 2 × 7 × 2453821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
34353494
Product of the distinct prime numbers
The prime factorization of 68706988 is 2 × 2 × 7 × 2453821.
Since it has a total of 4 prime factors.
1 , 2 , 8 , 4 , 784 , 53 , 1961 , 640 , 89017 , 88188 , 256023 , 212697 , 9753821 , 710337 , 27523024 , 94789717 , 546070340 , 776819440 , 4394209781 , 6442699354
n×2
137413976
n×3
206120964
n×4
274827952
n×5
343534940
n÷2
34353494
n÷3
22902329.333333
n÷3
17176747
n÷5
13741397.6
n2
4720650200032144
n3
3.2434165664581E+23
n4
2.2284538311064E+31
n5
1.5311035063238E+39
2 √n
8288.9678488941
3 √n
409.57518560763
4 √n
91.04376886363
5 √n
36.9317750854
1 , 2 , 4 , 7 , 14 , 28 , 2453821 , 4907642 , 9815284 , 17176747 , 34353494 , 68706988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68706987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68706988 can be divided by 12 positive divisors.
The sum of these divisors (counting 68706988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000110000110001010101100
3
Ternary
11210021200021021
4
Quaternary
10012012022230
5
Quinary
120042110423
6
Senary
10452343524
8
Octal
406061254
10
Decimal
68706988
12
Duodecimal
1b014ba4
16
Hexadecimal
41862ac
20
Vigesimal
1198798
36
Base36
14wmng
md5
12c6f4ed9e2128c3533acc34fca8739f
sha1
42de213c8216d9cc6ff6471b78a73146f704cd14
sha256
1c8868f39bcf4102bc5deb892d3acb827f55462aaaf0f2df5514c394610180c5
sha512
ebe9eaee974063a79855098b75026cc457ff1aa6ca8569e613df9d118bef785ecd4ad493b7a3da398862c21298770ebcba19bf1c09c7b18d46719db2d9d88dae
ripemd-160
1bdeb07629e4a2c3ad48663df7defd64acc2751a
Diameter
137413976
Circumference
431698737.50216
Area
1.4830359988588E+16
Volume
1.3585991543621E+24
Surface area
5.9321439954353E+16
Circumference
431698737.50216
Perimeter
274827952
Area
4720650200032144
Diagonal
97166354.259405
Surface area
28323901200192864
Volume
3.2434165664581E+23
Space diagonal
119003994.05103
Perimeter
206120964
Area
2.044101497804E+15
Altitude
59501997.025513
Surface area
2.044101497804E+15
Volume
3.8224030805921E+22
Height
32388784.753135