20490889 is an odd 8-digits composite number following 20490888
and preceding 20490890 . In scientific notation, it is written as 2.0490889 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 20334340 positive integers (up to 20490889) that are relatively prime to 20490889.
20490889 has 4 divisors, whose sum is 20647440
The reverse of 20490889 is 98809402
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million four hundred ninety thousand eight hundred eighty-nine
Scientific notation
2.0490889 × 10^7
Engineering notation
2.0490889 × 10^6
Prime Factorization
131 × 156419
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20490889
Product of the distinct prime numbers
The prime factorization of 20490889 is 131 × 156419.
Since it has a total of 2 prime factors.
4 , 5 , 26 , 7 , 206 , 669 , 6102 , 1036 , 99938 , 16353 , 652040 , 390211 , 401787 , 6799345 , 50542834 , 62177956 , 165807517 , 199905867 , 8999631307 , 8660849768
n×2
40981778
n×3
61472667
n×4
81963556
n×5
102454445
n÷2
10245444.5
n÷3
6830296.3333333
n÷3
5122722.25
n÷5
4098177.8
n2
419876532010321
n3
8.6036434111284E+21
n4
1.7629630213301E+29
n5
3.6124679581181E+36
2 √n
4526.6863156176
3 √n
273.64463227309
4 √n
67.280653353082
5 √n
28.994268753291
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20490888
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20490889 can be divided by 4 positive divisors.
The sum of these divisors (counting 20490889) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001010101010001001
3
Ternary
1102120001012211
4
Quaternary
1032022222021
5
Quinary
20221202024
6
Senary
2011105121
8
Octal
116125211
10
Decimal
20490889
12
Duodecimal
6a421a1
16
Hexadecimal
138aa89
20
Vigesimal
681749
36
Base36
c76vd
md5
7a5a8ab627674489c22deb2383de6e78
sha1
ee7f25a43440003446a5590c0ece5a561b3cbda8
sha256
664f2fe2dbd366c049f8201cb10b5f2d1b5e8bc48ab9225fdb76cadd002bfcfc
sha512
3014affd4df0321658f2ce4a34f8c9a177a496f1bdaceedd7dedeafcdd2253b0378eca35085004e8ec132c4de4573f580614d47d47320ab211a20573541d1a98
ripemd-160
c168d397cf69539c40be2a5d9bc732a2468daeea
Diameter
40981778
Circumference
128748052.69585
Area
1.3190810283784E+15
Volume
3.603885724601E+22
Surface area
5.2763241135135E+15
Circumference
128748052.69585
Perimeter
81963556
Area
419876532010321
Diagonal
28978493.128882
Surface area
2519259192061926
Volume
8.6036434111284E+21
Space diagonal
35491260.840254
Perimeter
61472667
Area
1.8181187158692E+14
Altitude
17745630.420127
Surface area
1.8181187158692E+14
Volume
1.01394909982E+21
Height
9659497.7096272