20219985 is an odd 8-digits composite number following 20219984
and preceding 20219986 . In scientific notation, it is written as 2.0219985 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 10783968 positive integers (up to 20219985) that are relatively prime to 20219985.
20219985 has 12 divisors, whose sum is 35048052
The reverse of 20219985 is 58991202
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million two hundred nineteen thousand nine hundred eighty-five
Scientific notation
2.0219985 × 10^7
Engineering notation
2.0219985 × 10^6
Prime Factorization
3 × 5 × 3 × 449333
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6739995
Product of the distinct prime numbers
The prime factorization of 20219985 is 3 × 5 × 3 × 449333.
Since it has a total of 4 prime factors.
2 , 3 , 44 , 42 , 597 , 256 , 6352 , 9491 , 64683 , 48684 , 728198 , 896385 , 3363424 , 4459864 , 85809538 , 96040602 , 663299306 , 334975867 , 3034867967 , 6910428970
n×2
40439970
n×3
60659955
n×4
80879940
n×5
101099925
n÷2
10109992.5
n÷3
6739995
n÷3
5054996.25
n÷5
4043997
n2
408847793400225
n3
8.2668962498356E+21
n4
1.6715651816823E+29
n5
3.3799022900139E+36
2 √n
4496.6637632805
3 √n
272.43335350744
4 √n
67.05716787399
5 √n
28.917195146263
1 , 3 , 5 , 9 , 15 , 45 , 449333 , 1347999 , 2246665 , 4043997 , 6739995 , 20219985
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20219984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20219985 can be divided by 12 positive divisors.
The sum of these divisors (counting 20219985) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101001000100001010001
3
Ternary
1102001021121100
4
Quaternary
1031020201101
5
Quinary
20134014420
6
Senary
2001215013
8
Octal
115104121
10
Decimal
20219985
12
Duodecimal
6931469
16
Hexadecimal
1348851
20
Vigesimal
6679j5
36
Base36
c1du9
md5
7b41d11b6531ddfdb325473022837d74
sha1
92d51f89d64e85c64621ffe0108eae5b6f0ea126
sha256
a6690c1ba7abe353190f3e5073a969a0c74a7bc6a5b96ed9170ee6e205d5608a
sha512
246dd76f0ffc82e6774c995b3199444887b81c117a6315e01150b26d7641dc725046032bd70e9f62316f1e02d956ba40f93b919a14da31a514b8ef2c0bf667b1
ripemd-160
90597c4fb6b07077980e781cd0ea920546d6b340
Diameter
40439970
Circumference
127045912.66339
Area
1.2844332241825E+15
Volume
3.4628294035297E+22
Surface area
5.1377328967302E+15
Circumference
127045912.66339
Perimeter
80879940
Area
408847793400225
Diagonal
28595377.017981
Surface area
2453086760401350
Volume
8.2668962498356E+21
Space diagonal
35022041.348281
Perimeter
60659955
Area
1.770362876829E+14
Altitude
17511020.67414
Surface area
1.770362876829E+14
Volume
9.7426306627074E+20
Height
9531792.3393268