68401971 is an odd 8-digits composite number following 68401970
and preceding 68401972 . In scientific notation, it is written as 6.8401971 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 41455680 positive integers (up to 68401971) that are relatively prime to 68401971.
68401971 has 8 divisors, whose sum is 82911600
The reverse of 68401971 is 17910486
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-eight million four hundred one thousand nine hundred seventy-one
Scientific notation
6.8401971 × 10^7
Engineering notation
6.8401971 × 10^6
Prime Factorization
11 × 9 × 690929
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68401971
Product of the distinct prime numbers
The prime factorization of 68401971 is 11 × 9 × 690929.
Since it has a total of 3 prime factors.
5 , 4 , 20 , 8 , 254 , 37 , 4506 , 7660 , 32625 , 27990 , 17860 , 382969 , 9428892 , 3486099 , 7818165 , 78149769 , 740610424 , 195159352 , 4784650810 , 7266131126
n×2
136803942
n×3
205205913
n×4
273607884
n×5
342009855
n÷2
34200985.5
n÷3
22800657
n÷3
17100492.75
n÷5
13680394.2
n2
4678829636684841
n3
3.2004116912246E+23
n4
2.189144676912E+31
n5
1.4974181070494E+39
2 √n
8270.5484098698
3 √n
408.96819873774
4 √n
90.942555549478
5 √n
36.898925803018
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
-68401970
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 68401971 can be divided by 8 positive divisors.
The sum of these divisors (counting 68401971) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000100111011101100110011
3
Ternary
11202201011212100
4
Quaternary
10010323230303
5
Quinary
120002330341
6
Senary
10442031443
8
Octal
404735463
10
Decimal
68401971
12
Duodecimal
1aaa8583
16
Hexadecimal
413bb33
20
Vigesimal
117a4ib
36
Base36
14q3ar
md5
c1bb68b8efa51ae91823f1d8da57dbe1
sha1
a08f518741b164f7dda4ecc0d673bb587d018e4d
sha256
96d99783df0ddb6968e4a27bf08f73dd7e8faec4a3ed92ac9b8873d2ddf57a7d
sha512
045a20bc10633fe4f4e213d2ea3631fd6eec0ae64354dd75cdf00133009ce66c1c1d6f01f98745ca7148ad8db3e63b743b0a6cf92e17179763ef8a7ee4ef0360
ripemd-160
20be1dcaaa30ad90226968774109f722c616aab3
Diameter
136803942
Circumference
429782259.16932
Area
1.4698976814007E+16
Volume
1.3405853143485E+24
Surface area
5.8795907256029E+16
Circumference
429782259.16932
Perimeter
273607884
Area
4678829636684841
Diagonal
96734995.081251
Surface area
28072977820109046
Volume
3.2004116912246E+23
Space diagonal
118475689.10985
Perimeter
205205913
Area
2.0259926626743E+15
Altitude
59237844.554926
Surface area
2.0259926626743E+15
Volume
3.7717213490893E+22
Height
32244998.360417