80821731 is an odd 8-digits composite number following 80821730
and preceding 80821732 . In scientific notation, it is written as 8.0821731 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 52612416 positive integers (up to 80821731) that are relatively prime to 80821731.
80821731 has 16 divisors, whose sum is 110329856
The reverse of 80821731 is 13712808
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty million eight hundred twenty-one thousand seven hundred thirty-one
Scientific notation
8.0821731 × 10^7
Engineering notation
8.0821731 × 10^6
Prime Factorization
3 × 73 × 103 × 3583
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80821731
Product of the distinct prime numbers
The prime factorization of 80821731 is 3 × 73 × 103 × 3583.
Since it has a total of 4 prime factors.
9 , 7 , 74 , 37 , 328 , 233 , 8891 , 2785 , 79701 , 86969 , 886315 , 414711 , 8815510 , 3988688 , 87220393 , 48196327 , 210913686 , 616869368 , 71552360 , 6790233937
n×2
161643462
n×3
242465193
n×4
323286924
n×5
404108655
n÷2
40410865.5
n÷3
26940577
n÷3
20205432.75
n÷5
16164346.2
n2
6532152201836361
n3
5.2793984810788E+23
n4
4.2669012387956E+31
n5
3.448583441255E+39
2 √n
8990.0907114445
3 √n
432.35722018016
4 √n
94.81608888498
5 √n
38.150973956744
1 , 3 , 73 , 103 , 219 , 309 , 3583 , 7519 , 10749 , 22557 , 261559 , 369049 , 784677 , 1107147 , 26940577 , 80821731
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
-80821730
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 80821731 can be divided by 16 positive divisors.
The sum of these divisors (counting 80821731) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100010011110111100011
3
Ternary
12122002011120110
4
Quaternary
10310103313203
5
Quinary
131142243411
6
Senary
12004142403
8
Octal
464236743
10
Decimal
80821731
12
Duodecimal
23097a03
16
Hexadecimal
4d13de3
20
Vigesimal
1552e6b
36
Base36
1c4ag3
md5
8e22949012d8bf62b0ab96ff6811ed73
sha1
fdbebae171f029c891a55bbe9a2d084200104aea
sha256
308416d02bb74ba666739f29d95cfe2b20156e608c1c659e4e93b8ae376d47b5
sha512
3c272f650ccc0627deb28421a01ee48f090bd05ffb2a9babc0aa5cfdd63fc8468bf1404daf02c32a396126009991ecddc730598330115a28cc6c3f0996be4f1c
ripemd-160
281f2f106aeabaaedee4a67632450d543e39b6d6
Diameter
161643462
Circumference
507817912.72002
Area
2.052136136942E+16
Volume
2.2114292644707E+24
Surface area
8.2085445477678E+16
Circumference
507817912.72002
Perimeter
323286924
Area
6532152201836361
Diagonal
114299188.11467
Surface area
39192913211018166
Volume
5.2793984810788E+23
Space diagonal
139987344.44766
Perimeter
242465193
Area
2.8285048740884E+15
Altitude
69993672.223832
Surface area
2.8285048740884E+15
Volume
6.2218307775946E+22
Height
38099729.371557