20021806 is an even 8-digits composite number following 20021805
and preceding 20021807 . In scientific notation, it is written as 2.0021806 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors.
There are 8563104 positive integers (up to 20021806) that are relatively prime to 20021806.
20021806 has 16 divisors, whose sum is 34393824
The reverse of 20021806 is 60812002
Previous prime number is 613
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million twenty-one thousand eight hundred six
Scientific notation
2.0021806 × 10^7
Engineering notation
2.0021806 × 10^6
Prime Factorization
2 × 7 × 613 × 2333
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20021806
Product of the distinct prime numbers
The prime factorization of 20021806 is 2 × 7 × 613 × 2333.
Since it has a total of 4 prime factors.
4 , 7 , 28 , 3 , 819 , 606 , 5146 , 5430 , 62368 , 19297 , 813200 , 166158 , 1051224 , 5206259 , 26808040 , 12189432 , 345503951 , 523105991 , 6899768532 , 1207754037
n×2
40043612
n×3
60065418
n×4
80087224
n×5
100109030
n÷2
10010903
n÷3
6673935.3333333
n÷3
5005451.5
n÷5
4004361.2
n2
400872715501636
n3
8.0261957404669E+21
n4
1.6069893403366E+29
n5
3.2174828816286E+36
2 √n
4474.5732757437
3 √n
271.54037681238
4 √n
66.892251238419
5 √n
28.860287278743
1 , 2 , 7 , 14 , 613 , 1226 , 2333 , 4291 , 4666 , 8582 , 16331 , 32662 , 1430129 , 2860258 , 10010903 , 20021806
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
-20021805
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 20021806 can be divided by 16 positive divisors.
The sum of these divisors (counting 20021806) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100011000001000101110
3
Ternary
1101200012202101
4
Quaternary
1030120020232
5
Quinary
20111144211
6
Senary
1553045314
8
Octal
114301056
10
Decimal
20021806
12
Duodecimal
685683a
16
Hexadecimal
131822e
20
Vigesimal
652ea6
36
Base36
bx4xa
md5
23d203107f0a3de873c8e5b3b28ece1b
sha1
ecd5464a2416c63aafbb023b5107e8c1b77616f2
sha256
7feaa9d267d33d84e09907f0eea103fac50b4d0857763b07d96eacbf353e0f78
sha512
d64c2a9fdc262cab6c8382ff98f8cab35c51414784a1ca5dc3c4976e26e13f6e1992d31db700b6ee555cb665375625c8e4c06c5e2cd87d01d5e73708b39edd27
ripemd-160
537da8d5e8b0c977b7973b46e9eed9d5cdc1792b
Diameter
40043612
Circumference
125800717.2824
Area
1.2593787780445E+15
Volume
3.3620050099366E+22
Surface area
5.0375151121781E+15
Circumference
125800717.2824
Perimeter
80087224
Area
400872715501636
Diagonal
28315109.588403
Surface area
2405236293009816
Volume
8.0261957404669E+21
Space diagonal
34678785.251287
Perimeter
60065418
Area
1.7358297765423E+14
Altitude
17339392.625644
Surface area
1.7358297765423E+14
Volume
9.4589623920246E+20
Height
9438369.862801