20849 is an odd 5-digits prime number following 20848
and preceding 20850 . In scientific notation, it is written as 2.0849 × 10^4.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 20848 positive integers (up to 20849) that are relatively prime to 20849.
20849 has 2 divisors, whose sum is 20850
The reverse of 20849 is 94802
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 23
Digital Root 5
Name
twenty thousand eight hundred forty-nine
Scientific notation
2.0849 × 10^4
Engineering notation
2.0849 × 10^3
Prime Factorization
20849
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20849
Product of the distinct prime numbers
The prime factorization of 20849 is 20849.
Since it has a total of 1 prime factors.
8 , 5 , 59 , 85 , 692 , 446 , 1494 , 3589 , 95788 , 55373 , 63722 , 275671 , 1444443 , 7189965 , 68775572 , 99519150 , 772389582 , 186025816 , 901652957 , 6279206039
n×2
41698
n×3
62547
n×4
83396
n×5
104245
n÷2
10424.5
n÷3
6949.6666666667
n÷3
5212.25
n÷5
4169.8
n2
434680801
n3
9062660020049
n4
188947398758001601
n5
3.9393643167056E+21
2 √n
144.39182802361
3 √n
27.522956038381
4 √n
12.016315076745
5 √n
7.3083114324769
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20850
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10425
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
144.39529078194
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999040767386
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20849 can be divided by 2 positive divisors.
The sum of these divisors (counting 20849) is 20850, the average is 10425.
Base
System
Value
2
Binary
101000101110001
3
Ternary
1001121012
4
Quaternary
11011301
5
Quinary
1131344
6
Senary
240305
8
Octal
50561
10
Decimal
20849
12
Duodecimal
10095
16
Hexadecimal
5171
20
Vigesimal
2c29
36
Base36
g35
md5
d3036eaa59b31dade3e8ef4916a3e821
sha1
0200c2c5ec1b75408d6a55444978071c2a4174d4
sha256
570e381027669b842564669c13e577591f31de2fa8e5c4a6ba166609de0237ae
sha512
0d55f78691f80041bb44224c2b3ee1eae03150ccbdc832a957a62917854e449c0c5447c6d59d0ef76619307507a7aeedda67aef526658439763228ef9e43f4e0
ripemd-160
8d83e4cc97e09705b68e181e9d2aeedb13f8b517
Diameter
41698
Circumference
130998.13046939
Area
1365590011.0781
Volume
37961581521290
Surface area
5462360044.3125
Circumference
130998.13046939
Perimeter
83396
Area
434680801
Diagonal
29484.938561917
Surface area
2608084806
Volume
9062660020049
Space diagonal
36111.527287004
Perimeter
62547
Area
188222308.10168
Altitude
18055.763643502
Surface area
188222308.10168
Volume
1068044725960.8
Height
9828.3128539722