68609978 is an even 8-digits composite number following 68609977
and preceding 68609979 . In scientific notation, it is written as 6.8609978 × 10^7.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 34130656 positive integers (up to 68609978) that are relatively prime to 68609978.
68609978 has 8 divisors, whose sum is 103437972
The reverse of 68609978 is 87990686
Previous prime number is 197
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
sixty-eight million six hundred nine thousand nine hundred seventy-eight
Scientific notation
6.8609978 × 10^7
Engineering notation
6.8609978 × 10^6
Prime Factorization
2 × 197 × 174137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68609978
Product of the distinct prime numbers
The prime factorization of 68609978 is 2 × 197 × 174137.
Since it has a total of 3 prime factors.
2 , 1 , 38 , 32 , 443 , 427 , 1532 , 1355 , 12755 , 99463 , 820835 , 863930 , 7930685 , 5821471 , 3159272 , 67744069 , 358968324 , 509988631 , 7373631159 , 3021810082
n×2
137219956
n×3
205829934
n×4
274439912
n×5
343049890
n÷2
34304989
n÷3
22869992.666667
n÷3
17152494.5
n÷5
13721995.6
n2
4707329081160484
n3
3.2296974469718E+23
n4
2.2158947078339E+31
n5
1.520324871548E+39
2 √n
8283.1140279487
3 √n
409.38232990391
4 √n
91.011614796951
5 √n
36.92134011577
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
-68609977
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 68609978 can be divided by 8 positive divisors.
The sum of these divisors (counting 68609978) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101101110011110111010
3
Ternary
11210002202012022
4
Quaternary
10011232132322
5
Quinary
120031004403
6
Senary
10450314442
8
Octal
405563672
10
Decimal
68609978
12
Duodecimal
1ab88a22
16
Hexadecimal
416e7ba
20
Vigesimal
118g4ii
36
Base36
14ujsq
md5
04864b5e1860c6bf36595a9ad885c806
sha1
b91cc3b26bfa32eecd5a8d3823672f24a96bb54f
sha256
0ad242093ce67bc835133efb4f2be1703a2fe1933f075bd4945fcbc2ed9d220f
sha512
a83feae89326bda56d39b03d3e73762b8f9f48b5ac90a384e5dcb5b08bf794ecad1ff2a007f729752668c26e8ea325f1568dbe5efce3712075e4492e72254efb
ripemd-160
8d1c14c6a84d67c8cce0e67c3eeae584480f2396
Diameter
137219956
Circumference
431089205.69551
Area
1.4788510459403E+16
Volume
1.3528525030299E+24
Surface area
5.9154041837613E+16
Circumference
431089205.69551
Perimeter
274439912
Area
4707329081160484
Diagonal
97029161.40172
Surface area
28243974486962904
Volume
3.2296974469718E+23
Space diagonal
118835967.80218
Perimeter
205829934
Area
2.0383332841291E+15
Altitude
59417983.901091
Surface area
2.0383332841291E+15
Volume
3.8062349432244E+22
Height
32343053.800573