80821779 is an odd 8-digits composite number following 80821778
and preceding 80821780 . In scientific notation, it is written as 8.0821779 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 53881184 positive integers (up to 80821779) that are relatively prime to 80821779.
80821779 has 4 divisors, whose sum is 107762376
The reverse of 80821779 is 97712808
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty million eight hundred twenty-one thousand seven hundred seventy-nine
Scientific notation
8.0821779 × 10^7
Engineering notation
8.0821779 × 10^6
Prime Factorization
3 × 26940593
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
80821779
Product of the distinct prime numbers
The prime factorization of 80821779 is 3 × 26940593.
Since it has a total of 2 prime factors.
7 , 3 , 97 , 95 , 138 , 578 , 667 , 9098 , 67653 , 15025 , 933771 , 83317 , 5961217 , 1863615 , 17747555 , 10948729 , 628307424 , 141454944 , 4857261806 , 2986250283
n×2
161643558
n×3
242465337
n×4
323287116
n×5
404108895
n÷2
40410889.5
n÷3
26940593
n÷3
20205444.75
n÷5
16164355.8
n2
6532159960724841
n3
5.2794078873835E+23
n4
4.2669113752497E+31
n5
3.4485936818302E+39
2 √n
8990.0933810501
3 √n
432.35730577242
4 √n
94.816102962788
5 √n
38.150978488313
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
-80821778
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 80821779 can be divided by 4 positive divisors.
The sum of these divisors (counting 80821779) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110100010011111000010011
3
Ternary
12122002011122020
4
Quaternary
10310103320103
5
Quinary
131142244104
6
Senary
12004142523
8
Octal
464237023
10
Decimal
80821779
12
Duodecimal
23097a43
16
Hexadecimal
4d13e13
20
Vigesimal
1552e8j
36
Base36
1c4ahf
md5
0a1b2ebdd30fd5091af79c4a22705a6c
sha1
e0f2827974abb2d039c78498c05e86fe6e9202d2
sha256
231ea627770c3d59b1a490c0881e4b4e1885a2debc15b7b8a3934f4584f270fe
sha512
4099a3d41ce55014d27f941c0d8e8028619025dad37b14ea3593e687d090a0eaadf96778ff76262a8970050433fa1e8637434a3d06f836cfd8b269cfb9fdf7c5
ripemd-160
f45c85c6af663b131fbb777b70d3d25ac3da8ae6
Diameter
161643558
Circumference
507818214.31292
Area
2.0521385744687E+16
Volume
2.2114332045744E+24
Surface area
8.2085542978746E+16
Circumference
507818214.31292
Perimeter
323287116
Area
6532159960724841
Diagonal
114299255.99692
Surface area
39192959764349046
Volume
5.2794078873835E+23
Space diagonal
139987427.5861
Perimeter
242465337
Area
2.8285082337856E+15
Altitude
69993713.793052
Surface area
2.8285082337856E+15
Volume
6.2218418630311E+22
Height
38099751.998974