20409990 is an even 8-digits composite number following 20409989
and preceding 20409991 . In scientific notation, it is written as 2.0409990 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 5063040 positive integers (up to 20409990) that are relatively prime to 20409990.
20409990 has 32 divisors, whose sum is 34997760
The reverse of 20409990 is 09990402
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million four hundred nine thousand nine hundred ninety
Scientific notation
2.0409990 × 10^7
Engineering notation
2.0409990 × 10^6
Prime Factorization
2 × 15 × 61 × 19 × 587
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20409990
Product of the distinct prime numbers
The prime factorization of 20409990 is 2 × 15 × 61 × 19 × 587.
Since it has a total of 5 prime factors.
2 , 9 , 45 , 65 , 817 , 74 , 7832 , 2003 , 91313 , 27785 , 665048 , 740967 , 2684197 , 5870348 , 82279756 , 80233732 , 290172261 , 221878521 , 7737764942 , 9687239848
n×2
40819980
n×3
61229970
n×4
81639960
n×5
102049950
n÷2
10204995
n÷3
6803330
n÷3
5102497.5
n÷5
4081998
n2
416567691800100
n3
8.5021424239631E+21
n4
1.7352864185166E+29
n5
3.541717844906E+36
2 √n
4517.7416924831
3 √n
273.28403665137
4 √n
67.214148008311
5 √n
28.971338363356
1 , 2 , 15 , 19 , 30 , 38 , 61 , 122 , 285 , 570 , 587 , 915 , 1159 , 1174 , 1830 , 2318 , 8805 , 11153 , 17385 , 17610 , 22306 , 34770 , 35807 , 71614 , 167295 , 334590 , 537105 , 680333 , 1074210 , 1360666 , 10204995 , 20409990
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20409989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20409990 can be divided by 32 positive divisors.
The sum of these divisors (counting 20409990) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101110110111010000110
3
Ternary
1102101221020120
4
Quaternary
1031312322012
5
Quinary
20211104430
6
Senary
2005242410
8
Octal
115667206
10
Decimal
20409990
12
Duodecimal
6a03406
16
Hexadecimal
1376e86
20
Vigesimal
67b4ja
36
Base36
c5gg6
md5
f50447c4d050d620701df8bbedfd5b61
sha1
92ac1b97f3b6ace487fb79ecb74d320032440714
sha256
b7e04fc69f48fe2060a37d7e38de65695206340686490d1f4d29e4a221e72612
sha512
67994f6ceb6046f9c7b18404ac5f8cc2064be16c9e599ffb92a80f687005865bac6ecbbfa7aa63d9d80759b65f236a88ac97aaf29d2a3193a05d485a6d2fb802
ripemd-160
50cd3c5f4ba67ef0725959a29f7420fff5581d3e
Diameter
40819980
Circumference
128239749.28768
Area
1.3086860002821E+15
Volume
3.5613690905196E+22
Surface area
5.2347440011282E+15
Circumference
128239749.28768
Perimeter
81639960
Area
416567691800100
Diagonal
28864084.665899
Surface area
2499406150800600
Volume
8.5021424239631E+21
Space diagonal
35351139.661973
Perimeter
61229970
Area
1.8037910174737E+14
Altitude
17675569.830986
Surface area
1.8037910174737E+14
Volume
1.0019870937664E+21
Height
9621361.5552997