20021807 is an odd 8-digits composite number following 20021806
and preceding 20021808 . In scientific notation, it is written as 2.0021807 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 18425088 positive integers (up to 20021807) that are relatively prime to 20021807.
20021807 has 8 divisors, whose sum is 21627984
The reverse of 20021807 is 70812002
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million twenty-one thousand eight hundred seven
Scientific notation
2.0021807 × 10^7
Engineering notation
2.0021807 × 10^6
Prime Factorization
13 × 353 × 4363
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20021807
Product of the distinct prime numbers
The prime factorization of 20021807 is 13 × 353 × 4363.
Since it has a total of 3 prime factors.
1 , 4 , 5 , 67 , 858 , 44 , 9000 , 7996 , 25537 , 91826 , 275571 , 802005 , 8047324 , 5808251 , 35143430 , 22082315 , 690945834 , 528297315 , 1353793110 , 3035687225
n×2
40043614
n×3
60065421
n×4
80087228
n×5
100109035
n÷2
10010903.5
n÷3
6673935.6666667
n÷3
5005451.75
n÷5
4004361.4
n2
400872755545249
n3
8.0261969430852E+21
n4
1.6069896613844E+29
n5
3.2174836851234E+36
2 √n
4474.5733874862
3 √n
271.54038133313
4 √n
66.892252073661
5 √n
28.860287567032
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
-20021806
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 20021807 can be divided by 8 positive divisors.
The sum of these divisors (counting 20021807) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100011000001000101111
3
Ternary
1101200012202102
4
Quaternary
1030120020233
5
Quinary
20111144212
6
Senary
1553045315
8
Octal
114301057
10
Decimal
20021807
12
Duodecimal
685683b
16
Hexadecimal
131822f
20
Vigesimal
652ea7
36
Base36
bx4xb
md5
968cd5880999fe77788c3e2fec55bed2
sha1
e300840dd698efb901199b22dd489124ce70c3b1
sha256
c5daeae292473f217c43a5162758472e0132919a5d858a3f32c9920fe8105fe9
sha512
43638076d73e3cc0bb82f12e544f32061f47f578b514496c2f3df97254e93b2fea699f7e7b37abb9a32d84204a823d55c9742a83d454985359101a179a0b1561
ripemd-160
2862bb8efe059f148a3cf6055c9279d4414d5b5b
Diameter
40043614
Circumference
125800723.56559
Area
1.2593789038453E+15
Volume
3.3620055136882E+22
Surface area
5.037515615381E+15
Circumference
125800723.56559
Perimeter
80087228
Area
400872755545249
Diagonal
28315111.002617
Surface area
2405236533271494
Volume
8.0261969430852E+21
Space diagonal
34678786.983338
Perimeter
60065421
Area
1.7358299499363E+14
Altitude
17339393.491669
Surface area
1.7358299499363E+14
Volume
9.4589638093238E+20
Height
9438370.3342055