20843445 is an odd 8-digits composite number following 20843444
and preceding 20843446 . In scientific notation, it is written as 2.0843445 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 8967168 positive integers (up to 20843445) that are relatively prime to 20843445.
20843445 has 16 divisors, whose sum is 27746928
The reverse of 20843445 is 54434802
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million eight hundred forty-three thousand four hundred forty-five
Scientific notation
2.0843445 × 10^7
Engineering notation
2.0843445 × 10^6
Prime Factorization
21 × 5 × 17 × 11677
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20843445
Product of the distinct prime numbers
The prime factorization of 20843445 is 21 × 5 × 17 × 11677.
Since it has a total of 4 prime factors.
6 , 9 , 62 , 55 , 408 , 263 , 1049 , 941 , 81429 , 7820 , 81743 , 230719 , 6008166 , 574369 , 61294227 , 29155313 , 986650522 , 187738627 , 2190698763 , 4232812192
n×2
41686890
n×3
62530335
n×4
83373780
n×5
104217225
n÷2
10421722.5
n÷3
6947815
n÷3
5210861.25
n÷5
4168689
n2
434449199468025
n3
9.0554179944058E+21
n4
1.8874610691841E+29
n5
3.934119098518E+36
2 √n
4565.4621890889
3 √n
275.20511419112
4 √n
67.568203980044
5 √n
29.093361286256
1 , 5 , 17 , 21 , 85 , 105 , 357 , 1785 , 11677 , 58385 , 198509 , 245217 , 992545 , 1226085 , 4168689 , 20843445
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20843444
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20843445 can be divided by 16 positive divisors.
The sum of these divisors (counting 20843445) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111100000101110110101
3
Ternary
1110012221211110
4
Quaternary
1033200232311
5
Quinary
20313442240
6
Senary
2022425233
8
Octal
117405665
10
Decimal
20843445
12
Duodecimal
6b92219
16
Hexadecimal
13e0bb5
20
Vigesimal
6a58c5
36
Base36
ceqwl
md5
23d85f3732ed1fe78a40ed5f9eae5c88
sha1
404097c36e44ab51480e568c03c47ba653146f56
sha256
885a2f3b85be4dbe83fe2f285376e1f2870223016572fbe6985f85180a5c5fb2
sha512
3226437606ee0dc27d298427f031664a38c60b2c2b4b8979b19bd2aa7862e26f4d6866f7338ab033db7820aed4d9664c5af27b59b96a9689bd30749b5cd3524f
ripemd-160
0afaa993d4f6360d3949be231a2eb15d11d85cf9
Diameter
41686890
Circumference
130963227.37501
Area
1.3648624134067E+15
Volume
3.7931246195213E+22
Surface area
5.4594496536269E+15
Circumference
130963227.37501
Perimeter
83373780
Area
434449199468025
Diagonal
29477082.605578
Surface area
2606695196808150
Volume
9.0554179944058E+21
Space diagonal
36101905.744767
Perimeter
62530335
Area
1.8812202169656E+14
Altitude
18050952.872384
Surface area
1.8812202169656E+14
Volume
1.0671912450538E+21
Height
9825694.2018592