80996821 is an odd 8-digits composite number following 80996820
and preceding 80996822 . In scientific notation, it is written as 8.0996821 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 79113132 positive integers (up to 80996821) that are relatively prime to 80996821.
80996821 has 4 divisors, whose sum is 82880512
The reverse of 80996821 is 12869908
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty million nine hundred ninety-six thousand eight hundred twenty-one
Scientific notation
8.0996821 × 10^7
Engineering notation
8.0996821 × 10^6
Prime Factorization
43 × 1883647
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
80996821
Product of the distinct prime numbers
The prime factorization of 80996821 is 43 × 1883647.
Since it has a total of 2 prime factors.
8 , 4 , 76 , 66 , 298 , 889 , 2081 , 3030 , 45734 , 59538 , 371405 , 600711 , 9225059 , 377084 , 52952582 , 40444187 , 422585350 , 582318391 , 4741571259 , 132855401
n×2
161993642
n×3
242990463
n×4
323987284
n×5
404984105
n÷2
40498410.5
n÷3
26998940.333333
n÷3
20249205.25
n÷5
16199364.2
n2
6560485012106041
n3
5.3137843019874E+23
n4
4.3039963594068E+31
n5
3.4861002270752E+39
2 √n
8999.823387156
3 √n
432.66921063375
4 √n
94.867398969066
5 √n
38.167489497894
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
-80996820
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 80996821 can be divided by 4 positive divisors.
The sum of these divisors (counting 80996821) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110100111110100111010101
3
Ternary
12122102001202021
4
Quaternary
10310332213111
5
Quinary
131213344241
6
Senary
12012013141
8
Octal
464764725
10
Decimal
80996821
12
Duodecimal
231611b1
16
Hexadecimal
4d3e9d5
20
Vigesimal
1564c11
36
Base36
1c81jp
md5
4f7480e930a92160dc8378ac4732fbdb
sha1
c20f7493f4ea67e6f38a58e4934bf91b876b4067
sha256
a4f1a3374066bc521e700da78fb885cbf887ce7c5dddd6aa9ee4fd63a9bad1d8
sha512
b2f36b789182b755745aac4be1a4e69f030d5b11a07dac4e23abd79abb3fd51d07adbbaf7e40fa7b7280916893d1f3a2fc25356478a5cae4f05d922907603876
ripemd-160
c1872d164817e15301145227a10ce5e4255f0bf1
Diameter
161993642
Circumference
508918035.63545
Area
2.0610371518018E+16
Volume
2.2258327634512E+24
Surface area
8.2441486072073E+16
Circumference
508918035.63545
Perimeter
323987284
Area
6560485012106041
Diagonal
114546802.76731
Surface area
39362910072636246
Volume
5.3137843019874E+23
Space diagonal
140290609.22356
Perimeter
242990463
Area
2.8407733408154E+15
Altitude
70145304.611781
Surface area
2.8407733408154E+15
Volume
6.2623548561631E+22
Height
38182267.589102