68691880 is an even 8-digits composite number following 68691879
and preceding 68691881 . In scientific notation, it is written as 6.8691880 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 16 positive divisors.
There are 27476736 positive integers (up to 68691880) that are relatively prime to 68691880.
68691880 has 16 divisors, whose sum is 154556820
The reverse of 68691880 is 08819686
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-eight million six hundred ninety-one thousand eight hundred eighty
Scientific notation
6.8691880 × 10^7
Engineering notation
6.8691880 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 1717297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
17172970
Product of the distinct prime numbers
The prime factorization of 68691880 is 2 × 2 × 2 × 5 × 1717297.
Since it has a total of 5 prime factors.
10 , 6 , 62 , 18 , 134 , 611 , 4384 , 471 , 9147 , 39818 , 910038 , 315365 , 6916888 , 7417381 , 34008455 , 17188479 , 898278544 , 892375624 , 4879646887 , 9805233212
n×2
137383760
n×3
206075640
n×4
274767520
n×5
343459400
n÷2
34345940
n÷3
22897293.333333
n÷3
17172970
n÷5
13738376
n2
4718574377934400
n3
3.2412774494014E+23
n4
2.2264944160099E+31
n5
1.5294208724522E+39
2 √n
8288.0564669891
3 √n
409.54516287054
4 √n
91.038763540533
5 √n
36.930150754725
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 1717297 , 3434594 , 6869188 , 8586485 , 13738376 , 17172970 , 34345940 , 68691880
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68691879
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68691880 can be divided by 16 positive divisors.
The sum of these divisors (counting 68691880) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000110000010011110101000
3
Ternary
11210020220112201
4
Quaternary
10012002132220
5
Quinary
120041120010
6
Senary
10452145544
8
Octal
406023650
10
Decimal
68691880
12
Duodecimal
1b0082b4
16
Hexadecimal
41827a8
20
Vigesimal
11969e0
36
Base36
14wazs
md5
d9367872836e09a9c9874380ea8aef46
sha1
6620c6563da034651879922c6a45d72cc47a8e20
sha256
41ee11c389824036f6f82a71208120b2b3bf1a56795a1f415253b3476a52eae6
sha512
ccda76a8160fd6cd16bf063018e8d2172f79d19fe7d3558ba77a3e91ff6cbab47bee89f3052d067ed5d40781c40a0f3d30a18b5fc70790321527650f6740eff7
ripemd-160
2aaceac31c2fb7ea70aea84711f84ddb768bc5f5
Diameter
137383760
Circumference
431603811.13854
Area
1.4823838601136E+16
Volume
1.3577031231048E+24
Surface area
5.9295354404543E+16
Circumference
431603811.13854
Perimeter
274767520
Area
4718574377934400
Diagonal
97144988.320905
Surface area
28311446267606400
Volume
3.2412774494014E+23
Space diagonal
118977826.22742
Perimeter
206075640
Area
2.0432026404688E+15
Altitude
59488913.113712
Surface area
2.0432026404688E+15
Volume
3.8198821069647E+22
Height
32381662.773635