80821465 is an odd 8-digits composite number following 80821464
and preceding 80821466 . In scientific notation, it is written as 8.0821465 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 64540080 positive integers (up to 80821465) that are relatively prime to 80821465.
80821465 has 8 divisors, whose sum is 97161408
The reverse of 80821465 is 56412808
Previous prime number is 563
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty million eight hundred twenty-one thousand four hundred sixty-five
Scientific notation
8.0821465 × 10^7
Engineering notation
8.0821465 × 10^6
Prime Factorization
5 × 563 × 28711
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80821465
Product of the distinct prime numbers
The prime factorization of 80821465 is 5 × 563 × 28711.
Since it has a total of 3 prime factors.
9 , 5 , 100 , 12 , 724 , 900 , 684 , 4266 , 73024 , 9423 , 996612 , 798703 , 3105918 , 9147697 , 20561795 , 73994387 , 860806998 , 515071074 , 1006303816 , 5813166933
n×2
161642930
n×3
242464395
n×4
323285860
n×5
404107325
n÷2
40410732.5
n÷3
26940488.333333
n÷3
20205366.25
n÷5
16164293
n2
6532109204746225
n3
5.2793463546757E+23
n4
4.266845066273E+31
n5
3.4485266918421E+39
2 √n
8990.0759173658
3 √n
432.3567458558
4 √n
94.816010870347
5 √n
38.150948844259
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80821464
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80821465 can be divided by 8 positive divisors.
The sum of these divisors (counting 80821465) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110100010011110011011001
3
Ternary
12122002011012121
4
Quaternary
10310103303121
5
Quinary
131142241330
6
Senary
12004141241
8
Octal
464236331
10
Decimal
80821465
12
Duodecimal
23097821
16
Hexadecimal
4d13cd9
20
Vigesimal
1552dd5
36
Base36
1c4a8p
md5
db58bc31aaa6ea92049d781b8669dae0
sha1
194a6be5ef445a2ff8496884fc66cdc61482729e
sha256
0b24a1bb4b4121aaf3287b0767d8d2c9cb74d741434af12026c5c3d460295825
sha512
c71bcf1c5a00935d100efdd2faae3521bad5465eafc5882acc47d389cb8046035e050b28254b25458eb027386a6b5c2c6b96bde879e0fe4d453347e932fbdf19
ripemd-160
99e06d3fde3a438c86429dced7bba4a78f34e92c
Diameter
161642930
Circumference
507816241.39273
Area
2.0521226290077E+16
Volume
2.2114074298141E+24
Surface area
8.2084905160308E+16
Circumference
507816241.39273
Perimeter
323285860
Area
6532109204746225
Diagonal
114298811.93386
Surface area
39192655228477350
Volume
5.2793463546757E+23
Space diagonal
139986883.72215
Perimeter
242464395
Area
2.8284862558022E+15
Altitude
69993441.861075
Surface area
2.8284862558022E+15
Volume
6.2217693460395E+22
Height
38099603.977954