20221621 is an odd 8-digits composite number following 20221620
and preceding 20221622 . In scientific notation, it is written as 2.0221621 × 10^7.
The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors.
There are 17291040 positive integers (up to 20221621) that are relatively prime to 20221621.
20221621 has 8 divisors, whose sum is 23166144
The reverse of 20221621 is 12612202
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million two hundred twenty-one thousand six hundred twenty-one
Scientific notation
2.0221621 × 10^7
Engineering notation
2.0221621 × 10^6
Prime Factorization
7 × 443 × 6521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20221621
Product of the distinct prime numbers
The prime factorization of 20221621 is 7 × 443 × 6521.
Since it has a total of 3 prime factors.
8 , 8 , 32 , 73 , 101 , 725 , 7544 , 8227 , 73859 , 62682 , 305004 , 578685 , 9915901 , 545969 , 32864717 , 23532913 , 942249506 , 296369613 , 2029881946 , 825696084
n×2
40443242
n×3
60664863
n×4
80886484
n×5
101108105
n÷2
10110810.5
n÷3
6740540.3333333
n÷3
5055405.25
n÷5
4044324.2
n2
408913955867641
n3
8.2689030371662E+21
n4
1.6721062330332E+29
n5
3.3812698516136E+36
2 √n
4496.8456722463
3 √n
272.44070084139
4 √n
67.058524232541
5 √n
28.917663069461
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
-20221620
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 20221621 can be divided by 8 positive divisors.
The sum of these divisors (counting 20221621) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001000111010110101
3
Ternary
1102001100211221
4
Quaternary
1031020322311
5
Quinary
20134042441
6
Senary
2001230341
8
Octal
115107265
10
Decimal
20221621
12
Duodecimal
69323b1
16
Hexadecimal
1348eb5
20
Vigesimal
667e11
36
Base36
c1f3p
md5
b99851987388265014e7781eaf621883
sha1
049ec98b304c6262c52a3f43d8d5ce85af3f6972
sha256
a5646fe6d3e475e05748a25e987311b80dcbdb4d32638d9368560602c99e5fd4
sha512
39c24f4f83aae4dfaec79fb2d2788b9e1d40b8b8a367a65e99bef09e7347a0a4c3cc3e141abd7c5ace3fef4b00c6c6042df2ea3518eddb7c2b9a835c09527924
ripemd-160
6c2e6e2ec61cba458822fe29b72cb4d271edbf59
Diameter
40443242
Circumference
127056191.95455
Area
1.2846410797041E+15
Volume
3.463670004641E+22
Surface area
5.1385643188165E+15
Circumference
127056191.95455
Perimeter
80886484
Area
408913955867641
Diagonal
28597690.671369
Surface area
2453483735205846
Volume
8.2689030371662E+21
Space diagonal
35024874.983402
Perimeter
60664863
Area
1.7706493687168E+14
Altitude
17512437.491701
Surface area
1.7706493687168E+14
Volume
9.7449956842571E+20
Height
9532563.5571229