80821864 is an even 8-digits composite number following 80821863
and preceding 80821865 . In scientific notation, it is written as 8.0821864 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 8 positive divisors.
There are 40410928 positive integers (up to 80821864) that are relatively prime to 80821864.
80821864 has 8 divisors, whose sum is 151541010
The reverse of 80821864 is 46812808
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty million eight hundred twenty-one thousand eight hundred sixty-four
Scientific notation
8.0821864 × 10^7
Engineering notation
8.0821864 × 10^6
Prime Factorization
2 × 2 × 2 × 10102733
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20205466
Product of the distinct prime numbers
The prime factorization of 80821864 is 2 × 2 × 2 × 10102733.
Since it has a total of 4 prime factors.
9 , 9 , 13 , 98 , 487 , 329 , 462 , 2326 , 62611 , 91881 , 290268 , 937113 , 8780889 , 9976812 , 6813102 , 12825695 , 225526674 , 121455647 , 9045725590 , 7618049367
n×2
161643728
n×3
242465592
n×4
323287456
n×5
404109320
n÷2
40410932
n÷3
26940621.333333
n÷3
20205466
n÷5
16164372.8
n2
6532173700434496
n3
5.2794245444089E+23
n4
4.2669293252648E+31
n5
3.4486118162416E+39
2 √n
8990.0981084747
3 √n
432.35745734195
4 √n
94.816127892225
5 √n
38.150986512961
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
-80821863
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 80821864 can be divided by 8 positive divisors.
The sum of these divisors (counting 80821864) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110100010011111001101000
3
Ternary
12122002011202101
4
Quaternary
10310103321220
5
Quinary
131142244424
6
Senary
12004143144
8
Octal
464237150
10
Decimal
80821864
12
Duodecimal
23097ab4
16
Hexadecimal
4d13e68
20
Vigesimal
1552ed4
36
Base36
1c4ajs
md5
65c23fe488f669da45f056b1db1815cf
sha1
ae8da5b216ddbd7571dad972a5cfea8053dca6a8
sha256
36bd8e469fa9ba1cdb7d84c6177438874dff28f35443a462e3e9207f9a683961
sha512
9b2ae6faaa9f15bde6b99139d4dbad05466229482d31699e0de9848b32910b28d9739ac9ae2021f77bc7e3395dbd574448c20af39aad14a9f995d16f87df70b2
ripemd-160
1ad49f2625dd3b96d1b00dd40fdc2da954472068
Diameter
161643728
Circumference
507818748.38367
Area
2.0521428909257E+16
Volume
2.2114401818529E+24
Surface area
8.208571563703E+16
Circumference
507818748.38367
Perimeter
323287456
Area
6532173700434496
Diagonal
114299376.20507
Surface area
39193042202606976
Volume
5.2794245444089E+23
Space diagonal
139987574.81042
Perimeter
242465592
Area
2.8285141832544E+15
Altitude
69993787.405211
Surface area
2.8285141832544E+15
Volume
6.2218614935238E+22
Height
38099792.068358