20221687 is an odd 8-digits composite number following 20221686
and preceding 20221688 . In scientific notation, it is written as 2.0221687 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 18834432 positive integers (up to 20221687) that are relatively prime to 20221687.
20221687 has 8 divisors, whose sum is 21633696
The reverse of 20221687 is 78612202
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million two hundred twenty-one thousand six hundred eighty-seven
Scientific notation
2.0221687 × 10^7
Engineering notation
2.0221687 × 10^6
Prime Factorization
17 × 97 × 12263
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20221687
Product of the distinct prime numbers
The prime factorization of 20221687 is 17 × 97 × 12263.
Since it has a total of 3 prime factors.
7 , 7 , 21 , 60 , 893 , 954 , 2845 , 5593 , 72036 , 89139 , 75619 , 438242 , 5147238 , 5996169 , 57731773 , 68973817 , 521946383 , 811300209 , 1760152616 , 5412012116
n×2
40443374
n×3
60665061
n×4
80886748
n×5
101108435
n÷2
10110843.5
n÷3
6740562.3333333
n÷3
5055421.75
n÷5
4044337.4
n2
408916625125969
n3
8.2689840023937E+21
n4
1.6721280630441E+29
n5
3.3813250314795E+36
2 √n
4496.8530107176
3 √n
272.44099724141
4 √n
67.058578949435
5 √n
28.917681945923
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
-20221686
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 20221687 can be divided by 8 positive divisors.
The sum of these divisors (counting 20221687) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001000111011110111
3
Ternary
1102001100221101
4
Quaternary
1031020323313
5
Quinary
20134043222
6
Senary
2001230531
8
Octal
115107367
10
Decimal
20221687
12
Duodecimal
6932447
16
Hexadecimal
1348ef7
20
Vigesimal
667e47
36
Base36
c1f5j
md5
55f76578c6de21bf94d98853522c16c9
sha1
d0cd53b48a46e8f6d978a59d92474f294391248b
sha256
7f94df8a919e2fb7762f7ed680efbcb6f06b3e48b4c0435df194c2a498fc809b
sha512
75ebb20bbfda87204f767df8ad4c256ddb155be2e0c8974da3b850c457f58ae363345b8a7f14a26d19527cb13396f51d6ee3c153be693b52b402fa4b80bf4dd6
ripemd-160
133352e7e9e60454bd7a749852c56245d9247980
Diameter
40443374
Circumference
127056606.64478
Area
1.2846494654265E+15
Volume
3.4637039192762E+22
Surface area
5.1385978617059E+15
Circumference
127056606.64478
Perimeter
80886748
Area
408916625125969
Diagonal
28597784.009464
Surface area
2453499750755814
Volume
8.2689840023937E+21
Space diagonal
35024989.298755
Perimeter
60665061
Area
1.7706609269444E+14
Altitude
17512494.649378
Surface area
1.7706609269444E+14
Volume
9.7450911026928E+20
Height
9532594.6698212