20803408 is an even 8-digits composite number following 20803407
and preceding 20803409 . In scientific notation, it is written as 2.0803408 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 20 positive divisors.
There are 9949280 positive integers (up to 20803408) that are relatively prime to 20803408.
20803408 has 20 divisors, whose sum is 42059808
The reverse of 20803408 is 80430802
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million eight hundred three thousand four hundred eight
Scientific notation
2.0803408 × 10^7
Engineering notation
2.0803408 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 23 × 56531
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2600426
Product of the distinct prime numbers
The prime factorization of 20803408 is 2 × 2 × 2 × 2 × 23 × 56531.
Since it has a total of 6 prime factors.
5 , 1 , 78 , 42 , 947 , 492 , 1334 , 7776 , 46021 , 28993 , 242602 , 115840 , 8075679 , 9408083 , 23739462 , 72079478 , 983262523 , 773063703 , 4104213393 , 616947058
n×2
41606816
n×3
62410224
n×4
83213632
n×5
104017040
n÷2
10401704
n÷3
6934469.3333333
n÷3
5200852
n÷5
4160681.6
n2
432781784414464
n3
9.0033360361421E+21
n4
1.8730007292097E+29
n5
3.8964798354046E+36
2 √n
4561.0753118097
3 √n
275.02879257759
4 √n
67.535733592001
5 √n
29.082175928878
1 , 2 , 4 , 8 , 16 , 23 , 46 , 92 , 184 , 368 , 56531 , 113062 , 226124 , 452248 , 904496 , 1300213 , 2600426 , 5200852 , 10401704 , 20803408
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20803407
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20803408 can be divided by 20 positive divisors.
The sum of these divisors (counting 20803408) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001111010110111101010000
3
Ternary
1110010220220121
4
Quaternary
1033112331100
5
Quinary
20311202113
6
Senary
2021520024
8
Octal
117267520
10
Decimal
20803408
12
Duodecimal
6b73014
16
Hexadecimal
13d6f50
20
Vigesimal
6a08a8
36
Base36
cdw0g
md5
971abbbcbb098d0cef59f0d644e5e533
sha1
2ca7a7782992c26850568d96ebc7d028c189d4e4
sha256
a2e5c5014fda5fd1ccb1bd3cb13038b6d91b95eb9eb21523ac9a55b961dba476
sha512
d707ae0ba0c67eccf199f841c7a3424c2387e0bd0e5e9f282e97e4f66d44271715c227bb116eafa7d1e4f27494cd68b19c285a95c767dbdbc0a3aa6333037208
ripemd-160
2aec962927cb1b8a70af188ceab6082095db0b02
Diameter
41606816
Circumference
130711667.48486
Area
1.359624074524E+15
Volume
3.7713085798593E+22
Surface area
5.4384962980958E+15
Circumference
130711667.48486
Perimeter
83213632
Area
432781784414464
Diagonal
29420461.737181
Surface area
2596690706486784
Volume
9.0033360361421E+21
Space diagonal
36032559.626585
Perimeter
62410224
Area
1.8740000979904E+14
Altitude
18016279.813292
Surface area
1.8740000979904E+14
Volume
1.0610533274096E+21
Height
9806820.5790603