68709897 is an odd 8-digits composite number following 68709896
and preceding 68709898 . In scientific notation, it is written as 6.8709897 × 10^7.
The sum of its digits is 54. It has a total of 2 prime factors and 4 positive divisors.
There are 45806580 positive integers (up to 68709897) that are relatively prime to 68709897.
68709897 has 4 divisors, whose sum is 71254736
The reverse of 68709897 is 79890786
Previous prime number is 27
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-eight million seven hundred nine thousand eight hundred ninety-seven
Scientific notation
6.8709897 × 10^7
Engineering notation
6.8709897 × 10^6
Prime Factorization
27 × 2544811
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68709897
Product of the distinct prime numbers
The prime factorization of 68709897 is 27 × 2544811.
Since it has a total of 2 prime factors.
2 , 8 , 43 , 28 , 878 , 102 , 9190 , 6191 , 37380 , 31755 , 248376 , 179744 , 2721223 , 586561 , 3619493 , 45985168 , 627069883 , 777780915 , 7489525565 , 8133423343
n×2
137419794
n×3
206129691
n×4
274839588
n×5
343549485
n÷2
34354948.5
n÷3
22903299
n÷3
17177474.25
n÷5
13741979.4
n2
4721049945750609
n3
3.2438285550438E+23
n4
2.2288312590272E+31
n5
1.5314276623814E+39
2 √n
8289.1433212365
3 √n
409.58096589012
4 √n
91.044732528777
5 √n
36.932087812584
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68709896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68709897 can be divided by 4 positive divisors.
The sum of these divisors (counting 68709897) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000110000110111000001001
3
Ternary
11210021211021000
4
Quaternary
10012012320021
5
Quinary
120042204042
6
Senary
10452405213
8
Octal
406067011
10
Decimal
68709897
12
Duodecimal
1b016809
16
Hexadecimal
4186e09
20
Vigesimal
1198eeh
36
Base36
14wow9
md5
37eda133409c25efb3af94864b224899
sha1
b43f924738bcc75ec7548485535ef543b769edec
sha256
45caf9590e81a028e3e9a5af6bd0c33537783a0dc15ba6f3f525c5bbe9d9467f
sha512
4b03a6475243b7fc3cae45da60e049497af7acaa2202f3473ec6f4751b1890461a27c9e4792adf3996ec1cddc4c1fa5315202299ba065b9303c8e85af2a6703b
ripemd-160
afe0ee22c3fb290f0bd124b6d907b724dbaffd6d
Diameter
137419794
Circumference
431717015.28822
Area
1.4831615826801E+16
Volume
1.3587717277374E+24
Surface area
5.9326463307202E+16
Circumference
431717015.28822
Perimeter
274839588
Area
4721049945750609
Diagonal
97170468.206658
Surface area
28326299674503654
Volume
3.2438285550438E+23
Space diagonal
119009032.58682
Perimeter
206129691
Area
2.0442745927776E+15
Altitude
59504516.293412
Surface area
2.0442745927776E+15
Volume
3.8228886137967E+22
Height
32390156.068886