68697687 is an odd 8-digits composite number following 68697686
and preceding 68697688 . In scientific notation, it is written as 6.8697687 × 10^7.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 45628920 positive integers (up to 68697687) that are relatively prime to 68697687.
68697687 has 8 divisors, whose sum is 91936000
The reverse of 68697687 is 78679686
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
sixty-eight million six hundred ninety-seven thousand six hundred eighty-seven
Scientific notation
6.8697687 × 10^7
Engineering notation
6.8697687 × 10^6
Prime Factorization
3 × 271 × 84499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68697687
Product of the distinct prime numbers
The prime factorization of 68697687 is 3 × 271 × 84499.
Since it has a total of 3 prime factors.
3 , 10 , 84 , 52 , 821 , 196 , 334 , 9422 , 14415 , 63687 , 948238 , 580234 , 1617743 , 4171926 , 51661350 , 3944576 , 429653024 , 229146428 , 528535790 , 6417914324
n×2
137395374
n×3
206093061
n×4
274790748
n×5
343488435
n÷2
34348843.5
n÷3
22899229
n÷3
17174421.75
n÷5
13739537.4
n2
4719372199149969
n3
3.2420995417371E+23
n4
2.227247395411E+31
n5
1.5300674444151E+39
2 √n
8288.406782971
3 √n
409.55670310765
4 √n
91.040687513721
5 √n
36.930775125857
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
-68697686
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 68697687 can be divided by 8 positive divisors.
The sum of these divisors (counting 68697687) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000110000011111001010111
3
Ternary
11210021012111210
4
Quaternary
10012003321113
5
Quinary
120041311222
6
Senary
10452232503
8
Octal
406037127
10
Decimal
68697687
12
Duodecimal
1b00b733
16
Hexadecimal
4183e57
20
Vigesimal
1197447
36
Base36
14wfh3
md5
04c803965a200719451381db2b9ef4ff
sha1
6ff0598503d9ea8155495c5cf9e4b81ebfdc6121
sha256
1af94eb71ddf04a978e8684a0b3495d8f99250bf8edac4b40204649ec096f4b9
sha512
2816551c9b2e8a70e9d58f82dcfc220872e1d533737d4b28568ed91e1a5e01eca8fdd9a1c7d09639f4623cfd310dde584b36402d3fefc8ff97c1b1110bbbcd1a
ripemd-160
837e5734e162bf11befabf03fc5b772932cad04a
Diameter
137395374
Circumference
431640297.59562
Area
1.4826345030405E+16
Volume
1.3580474803371E+24
Surface area
5.9305380121622E+16
Circumference
431640297.59562
Perimeter
274790748
Area
4719372199149969
Diagonal
97153200.659062
Surface area
28316233194899814
Volume
3.2420995417371E+23
Space diagonal
118987884.24646
Perimeter
206093061
Area
2.043548107189E+15
Altitude
59493942.123232
Surface area
2.043548107189E+15
Volume
3.8208509520735E+22
Height
32384400.219687