20009487 is an odd 8-digits composite number following 20009486
and preceding 20009488 . In scientific notation, it is written as 2.0009487 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13271552 positive integers (up to 20009487) that are relatively prime to 20009487.
20009487 has 8 divisors, whose sum is 26815536
The reverse of 20009487 is 78490002
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million nine thousand four hundred eighty-seven
Scientific notation
2.0009487 × 10^7
Engineering notation
2.0009487 × 10^6
Prime Factorization
3 × 197 × 33857
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20009487
Product of the distinct prime numbers
The prime factorization of 20009487 is 3 × 197 × 33857.
Since it has a total of 3 prime factors.
3 , 9 , 67 , 6 , 203 , 930 , 4531 , 5219 , 7933 , 52852 , 78975 , 965842 , 315054 , 2560564 , 53286080 , 44378978 , 151791238 , 848342040 , 1713023793 , 226268791
n×2
40018974
n×3
60028461
n×4
80037948
n×5
100047435
n÷2
10004743.5
n÷3
6669829
n÷3
5002371.75
n÷5
4001897.4
n2
400379570003169
n3
8.011389801044E+21
n4
1.6030380007592E+29
n5
3.2075968036698E+36
2 √n
4473.1965080913
3 √n
271.48467434154
4 √n
66.88195951145
5 √n
28.856734977703
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20009486
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20009487 can be divided by 8 positive divisors.
The sum of these divisors (counting 20009487) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010101001000001111
3
Ternary
1101122120212010
4
Quaternary
1030111020033
5
Quinary
20110300422
6
Senary
1552512303
8
Octal
114251017
10
Decimal
20009487
12
Duodecimal
684b693
16
Hexadecimal
131520f
20
Vigesimal
6513e7
36
Base36
bwvf3
md5
6516319a3510cfd8347f86b368d4157d
sha1
7e4c8c2cde49d0b3875aa7b641c2225ac7c53ac4
sha256
4391f51ba2c12efaccc7f03db14144ef376940dc5a9b65c1f48209846eca1074
sha512
bdd1e475bda80533207b010bad8b49f3526dffce70ba67a31cfb58f96dd175a1ba0d2b5558b9c9e5b9f532dc2f7b6c449f3db84385be81945f389eac0e4bdb42
ripemd-160
7379c16747fd51d60140e70005446df0a4f2346d
Diameter
40018974
Circumference
125723314.7226
Area
1.2578295157694E+15
Volume
3.3558031125339E+22
Surface area
5.0313180630776E+15
Circumference
125723314.7226
Perimeter
80037948
Area
400379570003169
Diagonal
28297687.891528
Surface area
2402277420019014
Volume
8.011389801044E+21
Space diagonal
34657448.117389
Perimeter
60028461
Area
1.7336943938952E+14
Altitude
17328724.058694
Surface area
1.7336943938952E+14
Volume
9.4415134250783E+20
Height
9432562.6305094