20103987 is an odd 8-digits composite number following 20103986
and preceding 20103988 . In scientific notation, it is written as 2.0103987 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 12936672 positive integers (up to 20103987) that are relatively prime to 20103987.
20103987 has 8 divisors, whose sum is 20446720
The reverse of 20103987 is 78930102
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred three thousand nine hundred eighty-seven
Scientific notation
2.0103987 × 10^7
Engineering notation
2.0103987 × 10^6
Prime Factorization
111 × 139 × 1303
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20103987
Product of the distinct prime numbers
The prime factorization of 20103987 is 111 × 139 × 1303.
Since it has a total of 3 prime factors.
7 , 9 , 20 , 33 , 480 , 846 , 3123 , 4684 , 4706 , 47737 , 541944 , 939712 , 9353872 , 5020321 , 4428096 , 16612891 , 196281770 , 507652317 , 7453566180 , 7591662831
n×2
40207974
n×3
60311961
n×4
80415948
n×5
100519935
n÷2
10051993.5
n÷3
6701329
n÷3
5025996.75
n÷5
4020797.4
n2
404170293296169
n3
8.1254343222124E+21
n4
1.6335362598311E+29
n5
3.2840591731673E+36
2 √n
4483.7469821568
3 √n
271.91138891979
4 √n
66.960786899175
5 √n
28.883940317764
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
-20103986
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 20103987 can be divided by 8 positive divisors.
The sum of these divisors (counting 20103987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101100001100110011
3
Ternary
1101211101111010
4
Quaternary
1030230030303
5
Quinary
20121311422
6
Senary
1554522003
8
Octal
114541463
10
Decimal
20103987
12
Duodecimal
6896303
16
Hexadecimal
132c333
20
Vigesimal
65cjj7
36
Base36
bywc3
md5
a7d69b379806c4553c022b6bd4d51bc3
sha1
2f3b7409aed00a200b6bd259b55d53ad7664ecb5
sha256
2f94f5fd9f830da43e0c8061e71977c965a9b01137d557785b56c105296559d0
sha512
92c3d03f14247f5ba8252da08428425b10e1c2a0f96f4c5e70ee89b6d541351f0e3316470b4154949c4463c7ea37a9a8940542b12b5deb3a9e9cd8b0158fb7e8
ripemd-160
0e8529b8368252fedaf9f83b3f0eccc78750de43
Diameter
40207974
Circumference
126317075.73413
Area
1.2697384242185E+15
Volume
3.4035739698518E+22
Surface area
5.0789536968739E+15
Circumference
126317075.73413
Perimeter
80415948
Area
404170293296169
Diagonal
28431331.073172
Surface area
2425021759777014
Volume
8.1254343222124E+21
Space diagonal
34821126.918704
Perimeter
60311961
Area
1.7501087072474E+14
Altitude
17410563.459352
Surface area
1.7501087072474E+14
Volume
9.5759161822038E+20
Height
9477110.3577241