68381531 is an odd 8-digits composite number following 68381530
and preceding 68381532 . In scientific notation, it is written as 6.8381531 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 62395008 positive integers (up to 68381531) that are relatively prime to 68381531.
68381531 has 16 divisors, whose sum is 74649600
The reverse of 68381531 is 13518386
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
sixty-eight million three hundred eighty-one thousand five hundred thirty-one
Scientific notation
6.8381531 × 10^7
Engineering notation
6.8381531 × 10^6
Prime Factorization
17 × 79 × 59 × 863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68381531
Product of the distinct prime numbers
The prime factorization of 68381531 is 17 × 79 × 59 × 863.
Since it has a total of 4 prime factors.
7 , 6 , 67 , 64 , 124 , 583 , 640 , 3051 , 68224 , 80906 , 8534 , 756067 , 8862990 , 8328033 , 20413280 , 30151087 , 217179819 , 615587080 , 8296138770 , 1518586008
n×2
136763062
n×3
205144593
n×4
273526124
n×5
341907655
n÷2
34190765.5
n÷3
22793843.666667
n÷3
17095382.75
n÷5
13676306.2
n2
4676033781903961
n3
3.1975434901431E+23
n4
2.1865291929507E+31
n5
1.4951821379016E+39
2 √n
8269.3126074662
3 √n
408.92745847521
4 √n
90.935760883528
5 √n
36.896720298706
1 , 17 , 59 , 79 , 863 , 1003 , 1343 , 4661 , 14671 , 50917 , 68177 , 79237 , 865589 , 1159009 , 4022443 , 68381531
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
-68381530
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 68381531 can be divided by 16 positive divisors.
The sum of these divisors (counting 68381531) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000100110110101101011011
3
Ternary
11202200010211022
4
Quaternary
10010312231123
5
Quinary
120001202111
6
Senary
10441353055
8
Octal
404665533
10
Decimal
68381531
12
Duodecimal
1aa9878b
16
Hexadecimal
4136b5b
20
Vigesimal
1177dgb
36
Base36
14pniz
md5
c4a0f90e600b8c956fc8791b12be5939
sha1
819548f93023a80041805151ed67c22d4ae167ad
sha256
bc693f30a91ceb977462470c30197fb14a324542530ccce895b976295a402b9a
sha512
6a2746f47eca6deba74065b7cdb066642d7d4671c73d2c5b4d5b40a6d26c55b7bcc110a8a880f9e5d299df9c6e892dfc29507f6b0680034527be27d6313a6d0f
ripemd-160
cfef755647ec0fb326c7bb78d1a17d274a40bd7b
Diameter
136763062
Circumference
429653830.86165
Area
1.4690193377167E+16
Volume
1.339383885089E+24
Surface area
5.8760773508669E+16
Circumference
429653830.86165
Perimeter
273526124
Area
4676033781903961
Diagonal
96706088.556036
Surface area
28056202691423766
Volume
3.1975434901431E+23
Space diagonal
118440285.99135
Perimeter
205144593
Area
2.0247820220415E+15
Altitude
59220142.995673
Surface area
2.0247820220415E+15
Volume
3.7683411416985E+22
Height
32235362.852012