20019988 is an even 8-digits composite number following 20019987
and preceding 20019989 . In scientific notation, it is written as 2.0019988 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 9989312 positive integers (up to 20019988) that are relatively prime to 20019988.
20019988 has 12 divisors, whose sum is 35107380
The reverse of 20019988 is 88991002
Previous prime number is 509
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million nineteen thousand nine hundred eighty-eight
Scientific notation
2.0019988 × 10^7
Engineering notation
2.0019988 × 10^6
Prime Factorization
2 × 2 × 509 × 9833
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10009994
Product of the distinct prime numbers
The prime factorization of 20019988 is 2 × 2 × 509 × 9833.
Since it has a total of 4 prime factors.
4 , 3 , 87 , 8 , 804 , 890 , 7356 , 6885 , 17976 , 84608 , 294051 , 125879 , 1634230 , 5432774 , 36345756 , 81188029 , 298720219 , 687649893 , 2607894066 , 9837454298
n×2
40039976
n×3
60059964
n×4
80079952
n×5
100099940
n÷2
10009994
n÷3
6673329.3333333
n÷3
5004997
n÷5
4003997.6
n2
400799919520144
n3
8.0240095791942E+21
n4
1.6064057548735E+29
n5
3.2160223935699E+36
2 √n
4474.3701232687
3 √n
271.53215785106
4 √n
66.890732715891
5 √n
28.859763151119
1 , 2 , 4 , 509 , 1018 , 2036 , 9833 , 19666 , 39332 , 5004997 , 10009994 , 20019988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20019987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20019988 can be divided by 12 positive divisors.
The sum of these divisors (counting 20019988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010111101100010100
3
Ternary
1101200010021001
4
Quaternary
1030113230110
5
Quinary
20111114423
6
Senary
1553033044
8
Octal
114275424
10
Decimal
20019988
12
Duodecimal
6855784
16
Hexadecimal
1317b14
20
Vigesimal
6529j8
36
Base36
bx3is
md5
dd0142047546244dc6719e7be92dd3c9
sha1
372ae8c249bf6ca1bff97b7d16b8fb8e09e57360
sha256
3c269e6b1a5628b1e6d439e92ed67638f64170a39bdf52e655e13682ce303b3c
sha512
305a6f8401e6c5df77f42c0dc9b015050b735aaf1ed451ed42c520af5061e2102dda66af2b56291e1996f5a7b753f4ba71df549234833fbaa84a210ff69d4a7b
ripemd-160
f98d76e16d66382e485dba66f3e0bc721ab7a3f4
Diameter
40039976
Circumference
125789294.45151
Area
1.2591500827239E+15
Volume
3.3610892728441E+22
Surface area
5.0366003308955E+15
Circumference
125789294.45151
Perimeter
80079952
Area
400799919520144
Diagonal
28312538.548147
Surface area
2404799517120864
Volume
8.0240095791942E+21
Space diagonal
34675636.382919
Perimeter
60059964
Area
1.735514560696E+14
Altitude
17337818.19146
Surface area
1.735514560696E+14
Volume
9.4563859762568E+20
Height
9437512.8493822