80821856 is an even 8-digits composite number following 80821855
and preceding 80821857 . In scientific notation, it is written as 8.0821856 × 10^7.
The sum of its digits is 38. It has a total of 7 prime factors and 24 positive divisors.
There are 39840640 positive integers (up to 80821856) that are relatively prime to 80821856.
80821856 has 24 divisors, whose sum is 161363664
The reverse of 80821856 is 65812808
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty million eight hundred twenty-one thousand eight hundred fifty-six
Scientific notation
8.0821856 × 10^7
Engineering notation
8.0821856 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 71 × 35573
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
5051366
Product of the distinct prime numbers
The prime factorization of 80821856 is 2 × 2 × 2 × 2 × 2 × 71 × 35573.
Since it has a total of 7 prime factors.
8 , 8 , 4 , 85 , 625 , 569 , 5664 , 6477 , 45750 , 83118 , 904210 , 686943 , 6223044 , 6786242 , 60563940 , 98944504 , 74316061 , 948129784 , 4429210519 , 8165410378
n×2
161643712
n×3
242465568
n×4
323287424
n×5
404109280
n÷2
40410928
n÷3
26940618.666667
n÷3
20205464
n÷5
16164371.2
n2
6532172407284736
n3
5.2794229766874E+23
n4
4.2669276358492E+31
n5
3.4486101094702E+39
2 √n
8990.0976635407
3 √n
432.35744307659
4 √n
94.816125545925
5 √n
38.150985757701
1 , 2 , 4 , 8 , 16 , 32 , 71 , 142 , 284 , 568 , 1136 , 2272 , 35573 , 71146 , 142292 , 284584 , 569168 , 1138336 , 2525683 , 5051366 , 10102732 , 20205464 , 40410928 , 80821856
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
-80821855
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 80821856 can be divided by 24 positive divisors.
The sum of these divisors (counting 80821856) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110100010011111001100000
3
Ternary
12122002011202002
4
Quaternary
10310103321200
5
Quinary
131142244411
6
Senary
12004143132
8
Octal
464237140
10
Decimal
80821856
12
Duodecimal
23097aa8
16
Hexadecimal
4d13e60
20
Vigesimal
1552ecg
36
Base36
1c4ajk
md5
4d33dc1712c0b04b049ce711d5c80de1
sha1
38cb5aa2492429cd207f0b51fc7e6f3eee3271b3
sha256
f89b4d9666d3f9d477b7266d61cdcf0ad2911a5d8a7de3fcbf06d507563412a1
sha512
e6b74bea9e4f5a8ac679fdfa8e3fe446572935086ef115543faa7b10ba207ef61563a42fa69695f839e2457ff5a8e927e60a1c0c784be5d71033de63307c82bc
ripemd-160
3fc6dc2c7b5edcad93938feae22ba0568a66c9a9
Diameter
161643712
Circumference
507818698.11818
Area
2.0521424846708E+16
Volume
2.2114395251672E+24
Surface area
8.2085699386831E+16
Circumference
507818698.11818
Perimeter
323287424
Area
6532172407284736
Diagonal
114299364.89137
Surface area
39193034443708416
Volume
5.2794229766874E+23
Space diagonal
139987560.95402
Perimeter
242465568
Area
2.8285136233042E+15
Altitude
69993780.477008
Surface area
2.8285136233042E+15
Volume
6.2218596459462E+22
Height
38099788.297122