20216820 is an even 8-digits composite number following 20216819
and preceding 20216821 . In scientific notation, it is written as 2.0216820 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 4976256 positive integers (up to 20216820) that are relatively prime to 20216820.
20216820 has 24 divisors, whose sum is 40642560
The reverse of 20216820 is 02861202
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million two hundred sixteen thousand eight hundred twenty
Scientific notation
2.0216820 × 10^7
Engineering notation
2.0216820 × 10^6
Prime Factorization
2 × 2 × 15 × 13 × 25919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10108410
Product of the distinct prime numbers
The prime factorization of 20216820 is 2 × 2 × 15 × 13 × 25919.
Since it has a total of 5 prime factors.
8 , 4 , 82 , 81 , 457 , 256 , 575 , 1360 , 518 , 56719 , 909539 , 700324 , 6111836 , 5305779 , 70913154 , 29027456 , 137867082 , 5690696 , 8459110887 , 1347404405
n×2
40433640
n×3
60650460
n×4
80867280
n×5
101084100
n÷2
10108410
n÷3
6738940
n÷3
5054205
n÷5
4043364
n2
408719810912400
n3
8.26301484765E+21
n4
1.6705188383227E+29
n5
3.3772578660979E+36
2 √n
4496.3118219269
3 √n
272.41913825528
4 √n
67.054543633724
5 √n
28.916289817663
1 , 2 , 4 , 13 , 15 , 26 , 30 , 52 , 60 , 195 , 390 , 780 , 25919 , 51838 , 103676 , 336947 , 388785 , 673894 , 777570 , 1347788 , 1555140 , 5054205 , 10108410 , 20216820
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20216819
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20216820 can be divided by 24 positive divisors.
The sum of these divisors (counting 20216820) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000111101111110100
3
Ternary
1102001010021010
4
Quaternary
1031013233310
5
Quinary
20133414240
6
Senary
2001152220
8
Octal
115075764
10
Decimal
20216820
12
Duodecimal
692b670
16
Hexadecimal
1347bf4
20
Vigesimal
667210
36
Base36
c1bec
md5
593dfb5c4944f644543547cd78d4fc19
sha1
f6b7f0cd159d9b61fbaeb663f0f68101875c1de1
sha256
a37fc02e6121851e30d1c3c39e4b2d779b8bfa06fe47c54aabc42630b1b2e6d4
sha512
c1d11a810283e8efdcd8b3da3b91da56997db8e1969811f0cd2b4101a9b3efb4446934d4c451d3327cdb6acc578e62ced46e06bea46d07a3f4716ea6c3883208
ripemd-160
9effdaa20fcf2041bdd5125c346d9e3da091d080
Diameter
40433640
Circumference
127026026.38189
Area
1.284031155339E+15
Volume
3.4612035655841E+22
Surface area
5.136124621356E+15
Circumference
127026026.38189
Perimeter
80867280
Area
408719810912400
Diagonal
28590901.032056
Surface area
2452318865474400
Volume
8.26301484765E+21
Space diagonal
35016559.407475
Perimeter
60650460
Area
1.7698086964006E+14
Altitude
17508279.703737
Surface area
1.7698086964006E+14
Volume
9.7380563863641E+20
Height
9530300.3440185