20221381 is an odd 8-digits composite number following 20221380
and preceding 20221382 . In scientific notation, it is written as 2.0221381 × 10^7.
The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors.
There are 18375168 positive integers (up to 20221381) that are relatively prime to 20221381.
20221381 has 8 divisors, whose sum is 22149720
The reverse of 20221381 is 18312202
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million two hundred twenty-one thousand three hundred eighty-one
Scientific notation
2.0221381 × 10^7
Engineering notation
2.0221381 × 10^6
Prime Factorization
29 × 17 × 41017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20221381
Product of the distinct prime numbers
The prime factorization of 20221381 is 29 × 17 × 41017.
Since it has a total of 3 prime factors.
8 , 9 , 13 , 33 , 948 , 810 , 9282 , 4834 , 30855 , 92741 , 317987 , 995489 , 2321958 , 7190035 , 49075648 , 92980734 , 652289896 , 44426421 , 625728315 , 5941294718
n×2
40442762
n×3
60664143
n×4
80885524
n×5
101106905
n÷2
10110690.5
n÷3
6740460.3333333
n÷3
5055345.25
n÷5
4044276.2
n2
408904249547161
n3
8.2686086226122E+21
n4
1.6720268529773E+29
n5
3.3810692036284E+36
2 √n
4496.818986795
3 √n
272.43962301769
4 √n
67.058325260888
5 √n
28.917594427367
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
-20221380
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 20221381 can be divided by 8 positive divisors.
The sum of these divisors (counting 20221381) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001000110111000101
3
Ternary
1102001100112001
4
Quaternary
1031020313011
5
Quinary
20134041011
6
Senary
2001225301
8
Octal
115106705
10
Decimal
20221381
12
Duodecimal
6932231
16
Hexadecimal
1348dc5
20
Vigesimal
667d91
36
Base36
c1ex1
md5
a3600721768c2458d91ee2739ebfa13a
sha1
58f0eedb486361d3fba0ff7f53edeffafbf43a41
sha256
7a494fedded300398f1192710909270a1e30d77cdd0a4efda3d2017811c2c7f5
sha512
8c01fe19a39ad88afab193455c7fcbb992ec5b0dad882346c99c6b7a1c026a5f910c044d47a7ca28197eb2e1b69a143a38f9800a0e561c22f033ac883455b55e
ripemd-160
06773a044e30fb4ed7cd05a476c6db80d46ff259
Diameter
40442762
Circumference
127054683.99008
Area
1.284610586399E+15
Volume
3.463546680561E+22
Surface area
5.138442345596E+15
Circumference
127054683.99008
Perimeter
80885524
Area
408904249547161
Diagonal
28597351.260114
Surface area
2453425497282966
Volume
8.2686086226122E+21
Space diagonal
35024459.291208
Perimeter
60664143
Area
1.7706073391163E+14
Altitude
17512229.645604
Surface area
1.7706073391163E+14
Volume
9.7446487133778E+20
Height
9532450.4200379