80821643 is an odd 8-digits composite number following 80821642
and preceding 80821644 . In scientific notation, it is written as 8.0821643 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 67744320 positive integers (up to 80821643) that are relatively prime to 80821643.
80821643 has 16 divisors, whose sum is 94431744
The reverse of 80821643 is 34612808
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty million eight hundred twenty-one thousand six hundred forty-three
Scientific notation
8.0821643 × 10^7
Engineering notation
8.0821643 × 10^6
Prime Factorization
7 × 71 × 137 × 1187
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80821643
Product of the distinct prime numbers
The prime factorization of 80821643 is 7 × 71 × 137 × 1187.
Since it has a total of 4 prime factors.
5 , 5 , 33 , 58 , 877 , 169 , 8885 , 2081 , 15327 , 64767 , 110123 , 711124 , 8827467 , 1944587 , 20558797 , 71817506 , 643350500 , 725374199 , 182001236 , 9625579920
n×2
161643286
n×3
242464929
n×4
323286572
n×5
404108215
n÷2
40410821.5
n÷3
26940547.666667
n÷3
20205410.75
n÷5
16164328.6
n2
6532137977219449
n3
5.2793812362157E+23
n4
4.2668826553433E+31
n5
3.4485646669304E+39
2 √n
8990.0858171655
3 √n
432.35706326094
4 √n
94.816063075649
5 √n
38.150965648861
1 , 7 , 71 , 137 , 497 , 959 , 1187 , 8309 , 9727 , 68089 , 84277 , 162619 , 589939 , 1138333 , 11545949 , 80821643
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
-80821642
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 80821643 can be divided by 16 positive divisors.
The sum of these divisors (counting 80821643) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100010011110110001011
3
Ternary
12122002011110012
4
Quaternary
10310103312023
5
Quinary
131142243033
6
Senary
12004142135
8
Octal
464236613
10
Decimal
80821643
12
Duodecimal
2309794b
16
Hexadecimal
4d13d8b
20
Vigesimal
1552e23
36
Base36
1c4adn
md5
8fb7d16e719f55561fd5cd1559ffb34a
sha1
91b7a118f363f5b8f533905d476a25b6ad19c7af
sha256
a52f2b88cafa05c9530e5ea22cb0ac4f70d49e6e440607e8f624463e5cd9c5b8
sha512
3404ff0fc266049cd7a2908161375d9e920d086c5d9ae0b63fff31d30b5ca3e2ae576365e99b6b5facad7425dfe4fab5f390e0a235e26e79dc465cc4fe8efad4
ripemd-160
d00bc937d16b721d3a787378856f11abb4e64403
Diameter
161643286
Circumference
507817359.79971
Area
2.0521316681468E+16
Volume
2.2114220409593E+24
Surface area
8.208526672587E+16
Circumference
507817359.79971
Perimeter
323286572
Area
6532137977219449
Diagonal
114299063.66388
Surface area
39192827863316694
Volume
5.2793812362157E+23
Space diagonal
139987192.02719
Perimeter
242464929
Area
2.8284987146486E+15
Altitude
69993596.013597
Surface area
2.8284987146486E+15
Volume
6.2218104543286E+22
Height
38099687.887959