80821871 is an odd 8-digits composite number following 80821870
and preceding 80821872 . In scientific notation, it is written as 8.0821871 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 74604792 positive integers (up to 80821871) that are relatively prime to 80821871.
80821871 has 4 divisors, whose sum is 87038952
The reverse of 80821871 is 17812808
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty million eight hundred twenty-one thousand eight hundred seventy-one
Scientific notation
8.0821871 × 10^7
Engineering notation
8.0821871 × 10^6
Prime Factorization
13 × 6217067
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
80821871
Product of the distinct prime numbers
The prime factorization of 80821871 is 13 × 6217067.
Since it has a total of 2 prime factors.
8 , 2 , 47 , 96 , 912 , 833 , 8001 , 6843 , 59951 , 20093 , 303887 , 330427 , 333481 , 8567528 , 99152407 , 21256187 , 688575340 , 382638115 , 1511464552 , 6450151596
n×2
161643742
n×3
242465613
n×4
323287484
n×5
404109355
n÷2
40410935.5
n÷3
26940623.666667
n÷3
20205467.75
n÷5
16164374.2
n2
6532174831940641
n3
5.2794259161655E+23
n4
4.2669308035039E+31
n5
3.4486133096672E+39
2 √n
8990.0984977919
3 √n
432.35746982414
4 √n
94.816129945236
5 √n
38.150987173814
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80821870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80821871 can be divided by 4 positive divisors.
The sum of these divisors (counting 80821871) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110100010011111001101111
3
Ternary
12122002011202122
4
Quaternary
10310103321233
5
Quinary
131142244441
6
Senary
12004143155
8
Octal
464237157
10
Decimal
80821871
12
Duodecimal
23097abb
16
Hexadecimal
4d13e6f
20
Vigesimal
1552edb
36
Base36
1c4ajz
md5
6068b73bce80e721ccec1aa09072e762
sha1
3c9389d84054fbb1811038c9f9625004b37084bd
sha256
40a87141f76abdd30c5ef3b716d9e4d2e88b25ba57af8516672898828c0d63a3
sha512
7ba6c5b772379b2fa71da925c1afb01b1a20ac6a206e2db3a738e4c5a689231eedb4831d4aeafd2e70372a6ba8b75eadf7bdc534498067827d1efb8d2e2c0290
ripemd-160
ed3de0488f25b780a2d6c40cec66abc6ea17b016
Diameter
161643742
Circumference
507818792.36596
Area
2.0521432463989E+16
Volume
2.211440756453E+24
Surface area
8.2085729855955E+16
Circumference
507818792.36596
Perimeter
323287484
Area
6532174831940641
Diagonal
114299386.10457
Surface area
39193048991643846
Volume
5.2794259161655E+23
Space diagonal
139987586.93478
Perimeter
242465613
Area
2.828514673211E+15
Altitude
69993793.467389
Surface area
2.828514673211E+15
Volume
6.2218631101544E+22
Height
38099795.36819