80639968 is an even 8-digits composite number following 80639967
and preceding 80639969 . In scientific notation, it is written as 8.0639968 × 10^7.
The sum of its digits is 49. It has a total of 7 prime factors and 24 positive divisors.
There are 39461376 positive integers (up to 80639968) that are relatively prime to 80639968.
80639968 has 24 divisors, whose sum is 162140832
The reverse of 80639968 is 86993608
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighty million six hundred thirty-nine thousand nine hundred sixty-eight
Scientific notation
8.0639968 × 10^7
Engineering notation
8.0639968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 47 × 53617
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
5039998
Product of the distinct prime numbers
The prime factorization of 80639968 is 2 × 2 × 2 × 2 × 2 × 47 × 53617.
Since it has a total of 7 prime factors.
9 , 6 , 37 , 10 , 229 , 487 , 8717 , 6770 , 2818 , 6873 , 638531 , 485143 , 6861116 , 6840385 , 5931063 , 67852735 , 176577363 , 940436626 , 6161588678 , 4935323897
n×2
161279936
n×3
241919904
n×4
322559872
n×5
403199840
n÷2
40319984
n÷3
26879989.333333
n÷3
20159992
n÷5
16127993.6
n2
6502804439041024
n3
5.2438594187453E+23
n4
4.2286465572412E+31
n5
3.4099792305924E+39
2 √n
8979.9759465157
3 √n
432.0328621549
4 √n
94.762735009684
5 √n
38.133798670176
1 , 2 , 4 , 8 , 16 , 32 , 47 , 94 , 188 , 376 , 752 , 1504 , 53617 , 107234 , 214468 , 428936 , 857872 , 1715744 , 2519999 , 5039998 , 10079996 , 20159992 , 40319984 , 80639968
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80639967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80639968 can be divided by 24 positive divisors.
The sum of these divisors (counting 80639968) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110011100111011111100000
3
Ternary
12121201221020111
4
Quaternary
10303213133200
5
Quinary
131120434333
6
Senary
12000221104
8
Octal
463473740
10
Decimal
80639968
12
Duodecimal
2300a794
16
Hexadecimal
4ce77e0
20
Vigesimal
153jji8
36
Base36
1c0e74
md5
d4a8b8625a1ad36415f4e8da747a54ba
sha1
fb788964cf7038e94885c4f49c272e974804a917
sha256
5c4881418456ffafc629b3c7dcf3274bd3918f850d402edeed8fb019388a39ac
sha512
7da69b154d8ab79a252727e48cdeaac78cb73a9b6ba4b6bd99e59148c17cc659ed75c1f47b9b812a14d09214d2950a5d0235179040ed044903f8cdc6524b4772
ripemd-160
c6c79d4aa7f99d01bce5a3c2455b7c0a9ece5d4d
Diameter
161279936
Circumference
506675862.10903
Area
2.0429162653422E+16
Volume
2.1965426968517E+24
Surface area
8.171665061369E+16
Circumference
506675862.10903
Perimeter
322559872
Area
6502804439041024
Diagonal
114042136.41493
Surface area
39016826634246144
Volume
5.2438594187453E+23
Space diagonal
139672521.69673
Perimeter
241919904
Area
2.8157969200259E+15
Altitude
69836260.848364
Surface area
2.8157969200259E+15
Volume
6.1799475909729E+22
Height
38014045.471644