72021 is an odd 5-digits composite number following 72020
and preceding 72022 . In scientific notation, it is written as 7.2021 × 10^4.
The sum of its digits is 12. It has a total of 2 prime factors and 4 positive divisors.
There are 48012 positive integers (up to 72021) that are relatively prime to 72021.
72021 has 4 divisors, whose sum is 96032
The reverse of 72021 is 12027
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 12
Digital Root 3
Name
seventy-two thousand twenty-one
Scientific notation
7.2021 × 10^4
Engineering notation
7.2021 × 10^3
Prime Factorization
3 × 24007
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72021
Product of the distinct prime numbers
The prime factorization of 72021 is 3 × 24007.
Since it has a total of 2 prime factors.
7 , 5 , 37 , 90 , 919 , 470 , 5453 , 9585 , 1786 , 42434 , 948478 , 397236 , 3212630 , 5592433 , 14765451 , 4970134 , 138393818 , 970429350 , 7662748750 , 7799431635
n×2
144042
n×3
216063
n×4
288084
n×5
360105
n÷2
36010.5
n÷3
24007
n÷3
18005.25
n÷5
14404.2
n2
5187024441
n3
373574687265261
n4
2.6905222551531E+19
n5
1.9377410333838E+24
2 √n
268.36728563668
3 √n
41.60572067531
4 √n
16.381919473514
5 √n
9.3646560161163
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
-72020
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 72021 can be divided by 4 positive divisors.
The sum of these divisors (counting 72021) is 1, the average is 0.25.
Base
System
Value
2
Binary
10001100101010101
3
Ternary
10122210110
4
Quaternary
101211111
5
Quinary
4301041
6
Senary
1313233
8
Octal
214525
10
Decimal
72021
12
Duodecimal
35819
16
Hexadecimal
11955
20
Vigesimal
9011
36
Base36
1jkl
md5
ae152933e0119deaca3f24527df8c0fc
sha1
187158bc23a4bdcfaf37e1409fc8fb9a113af730
sha256
afcb7879f61a378fd2dffbc2aac3cf3cf630b30377758e53edf00c4ddcea607f
sha512
58f9cd11e49d067c7f369429c7c002e18d1849609a789b7494cc98924979968cbe839afff1c83b5ccf7332d130c9d59ed93e3f4a954f7931692cc54b381b03b5
ripemd-160
d2a931c4d04c0c1cf37a544377bf989e7bf676f5
Diameter
144042
Circumference
452521.28900838
Area
16295517877.836
Volume
1.5648259907729E+15
Surface area
65182071511.345
Circumference
452521.28900838
Perimeter
288084
Area
5187024441
Diagonal
101853.07497567
Surface area
31122146646
Volume
373574687265261
Space diagonal
124744.03121192
Perimeter
216063
Area
2246047467.9784
Altitude
62372.015605959
Surface area
2246047467.9784
Volume
44026199107485
Height
33951.024991891