80821478 is an even 8-digits composite number following 80821477
and preceding 80821479 . In scientific notation, it is written as 8.0821478 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 38133576 positive integers (up to 80821478) that are relatively prime to 80821478.
80821478 has 16 divisors, whose sum is 128113920
The reverse of 80821478 is 87412808
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty million eight hundred twenty-one thousand four hundred seventy-eight
Scientific notation
8.0821478 × 10^7
Engineering notation
8.0821478 × 10^6
Prime Factorization
2 × 263 × 19 × 8087
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80821478
Product of the distinct prime numbers
The prime factorization of 80821478 is 2 × 263 × 19 × 8087.
Since it has a total of 4 prime factors.
4 , 4 , 19 , 30 , 586 , 781 , 7565 , 1927 , 58731 , 34418 , 946765 , 888415 , 2276907 , 2789771 , 38943906 , 48214769 , 862725266 , 562841369 , 9247871648 , 3202004028
n×2
161642956
n×3
242464434
n×4
323285912
n×5
404107390
n÷2
40410739
n÷3
26940492.666667
n÷3
20205369.5
n÷5
16164295.6
n2
6532111306104484
n3
5.2793489021987E+23
n4
4.2668478115338E+31
n5
3.4485294652923E+39
2 √n
8990.0766403852
3 √n
432.35676903709
4 √n
94.816014683097
5 √n
38.150950071562
1 , 2 , 19 , 38 , 263 , 526 , 4997 , 8087 , 9994 , 16174 , 153653 , 307306 , 2126881 , 4253762 , 40410739 , 80821478
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
-80821477
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 80821478 can be divided by 16 positive divisors.
The sum of these divisors (counting 80821478) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100010011110011100110
3
Ternary
12122002011020002
4
Quaternary
10310103303212
5
Quinary
131142241403
6
Senary
12004141302
8
Octal
464236346
10
Decimal
80821478
12
Duodecimal
23097832
16
Hexadecimal
4d13ce6
20
Vigesimal
1552ddi
36
Base36
1c4a92
md5
152af0b9602b4cefbed97bba78aeb8c0
sha1
09af0e713d0c3f3e2bf2260b3abc82d4a31e3586
sha256
12602e15e3d1d84902a5ebbad4b2c4b514139d8f3756e1b24f421293d4db8db8
sha512
ac72bb80c35d51f31be2bc254479174a3a46de75898c052ce231f06cfe2ac920776ae9de0043cfb3edddc8a0af997ef6b3152a9de168cb9bee1ac4d8fdfc8003
ripemd-160
2eca9c8f6ac385d780c39aafd81bf6d49115ef61
Diameter
161642956
Circumference
507816323.07414
Area
2.0521232891689E+16
Volume
2.211408496918E+24
Surface area
8.2084931566755E+16
Circumference
507816323.07414
Perimeter
323285912
Area
6532111306104484
Diagonal
114298830.31864
Surface area
39192667836626904
Volume
5.2793489021987E+23
Space diagonal
139986906.23881
Perimeter
242464434
Area
2.828487165717E+15
Altitude
69993453.119405
Surface area
2.828487165717E+15
Volume
6.2217723483242E+22
Height
38099610.106213