80721854 is an even 8-digits composite number following 80721853
and preceding 80721855 . In scientific notation, it is written as 8.0721854 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 40360926 positive integers (up to 80721854) that are relatively prime to 80721854.
80721854 has 4 divisors, whose sum is 121082784
The reverse of 80721854 is 45812708
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty million seven hundred twenty-one thousand eight hundred fifty-four
Scientific notation
8.0721854 × 10^7
Engineering notation
8.0721854 × 10^6
Prime Factorization
2 × 40360927
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
80721854
Product of the distinct prime numbers
The prime factorization of 80721854 is 2 × 40360927.
Since it has a total of 2 prime factors.
2 , 9 , 75 , 20 , 497 , 196 , 5985 , 2991 , 55621 , 50227 , 989535 , 308818 , 6810611 , 4812314 , 40469719 , 33419680 , 879573777 , 446997462 , 2328984586 , 5044829031
n×2
161443708
n×3
242165562
n×4
322887416
n×5
403609270
n÷2
40360927
n÷3
26907284.666667
n÷3
20180463.5
n÷5
16144370.8
n2
6516017713197316
n3
5.2598503050613E+23
n4
4.2458486838701E+31
n5
3.4273277756546E+39
2 √n
8984.5341559816
3 √n
432.17904886554
4 √n
94.786782601698
5 √n
38.141540133219
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
-80721853
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 80721854 can be divided by 4 positive divisors.
The sum of these divisors (counting 80721854) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110011111011011110111110
3
Ternary
12121220002120022
4
Quaternary
10303323132332
5
Quinary
131131044404
6
Senary
12002052142
8
Octal
463733676
10
Decimal
80721854
12
Duodecimal
2304a052
16
Hexadecimal
4cfb7be
20
Vigesimal
154a4ce
36
Base36
1c25dq
md5
a09dd118612cf0d263180b0d0751e479
sha1
9ac965559d3de282addd926751b9f3b89c8b0571
sha256
014d2209de3f2bacb4aa551579ca185a941ad66a968d5b24560d2b0b67464cfe
sha512
441640abec19514f28ae7353b4f09acb3b5a0cbfb0c2e041f00241b76a5fee57cf17149f1a0435ecfe915683ada30de829368a526064c3154780c84bafd48715
ripemd-160
3172704b194d2fb470d2cc42111552a49e549933
Diameter
161443708
Circumference
507190367.0211
Area
2.0470673378442E+16
Volume
2.2032409436483E+24
Surface area
8.1882693513767E+16
Circumference
507190367.0211
Perimeter
322887416
Area
6516017713197316
Diagonal
114157940.7067
Surface area
39096106279183896
Volume
5.2598503050613E+23
Space diagonal
139814352.40916
Perimeter
242165562
Area
2.8215184355691E+15
Altitude
69907176.204579
Surface area
2.8215184355691E+15
Volume
6.1987930312249E+22
Height
38052646.902234