20409988 is an even 8-digits composite number following 20409987
and preceding 20409989 . In scientific notation, it is written as 2.0409988 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors.
There are 9958368 positive integers (up to 20409988) that are relatively prime to 20409988.
20409988 has 24 divisors, whose sum is 36590400
The reverse of 20409988 is 88990402
Previous prime number is 197
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million four hundred nine thousand nine hundred eighty-eight
Scientific notation
2.0409988 × 10^7
Engineering notation
2.0409988 × 10^6
Prime Factorization
2 × 2 × 59 × 197 × 439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10204994
Product of the distinct prime numbers
The prime factorization of 20409988 is 2 × 2 × 59 × 197 × 439.
Since it has a total of 5 prime factors.
9 , 6 , 34 , 90 , 977 , 91 , 1622 , 9470 , 21575 , 64581 , 685477 , 873762 , 7198758 , 9138727 , 20948640 , 93749722 , 662292215 , 891528447 , 1390859651 , 7899782928
n×2
40819976
n×3
61229964
n×4
81639952
n×5
102049940
n÷2
10204994
n÷3
6803329.3333333
n÷3
5102497
n÷5
4081997.6
n2
416567610160144
n3
8.5021399245572E+21
n4
1.7352857383453E+29
n5
3.5417161096199E+36
2 √n
4517.7414711336
3 √n
273.28402772489
4 √n
67.214146361711
5 √n
28.971337795569
1 , 2 , 4 , 59 , 118 , 197 , 236 , 394 , 439 , 788 , 878 , 1756 , 11623 , 23246 , 25901 , 46492 , 51802 , 86483 , 103604 , 172966 , 345932 , 5102497 , 10204994 , 20409988
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
-20409987
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 20409988 can be divided by 24 positive divisors.
The sum of these divisors (counting 20409988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110110111010000100
3
Ternary
1102101221020111
4
Quaternary
1031312322010
5
Quinary
20211104423
6
Senary
2005242404
8
Octal
115667204
10
Decimal
20409988
12
Duodecimal
6a03404
16
Hexadecimal
1376e84
20
Vigesimal
67b4j8
36
Base36
c5gg4
md5
2c839325697109b16a40ef708ab738a2
sha1
67e3f3955c932ad77963c18f0843740782701a68
sha256
305a72327c561a2b9ab1c69b8dbee453ec88d19a0cfc6a7310db03ebc5fb2206
sha512
33ff1808e705e02bfcbfc4bd00d04b472468496716e2d45c06a1fcd99077852d693551c00508ff5a67d67dcca8af2457396c497385a46b68f4255becd70dba16
ripemd-160
527252680f239c7007dcb2bb891edecc57d5467c
Diameter
40819976
Circumference
128239736.72131
Area
1.3086857438026E+15
Volume
3.5613680435709E+22
Surface area
5.2347429752103E+15
Circumference
128239736.72131
Perimeter
81639952
Area
416567610160144
Diagonal
28864081.837472
Surface area
2499405660960864
Volume
8.5021399245572E+21
Space diagonal
35351136.197871
Perimeter
61229964
Area
1.8037906639623E+14
Altitude
17675568.098936
Surface area
1.8037906639623E+14
Volume
1.0019867992085E+21
Height
9621360.6124907