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 4 prime factors and 16 positive divisors.
There are 12936672 positive integers (up to 20103987) that are relatively prime to 20103987.
20103987 has 16 divisors, whose sum is 27749120
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
3 × 37 × 139 × 1303
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20103987
Product of the distinct prime numbers
The prime factorization of 20103987 is 3 × 37 × 139 × 1303.
Since it has a total of 4 prime factors.
5 , 1 , 98 , 96 , 215 , 128 , 5701 , 4659 , 27087 , 8942 , 369482 , 468038 , 2553888 , 3048256 , 17661625 , 58070787 , 47334089 , 609906075 , 8885866476 , 5443147589
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
1 , 3 , 37 , 111 , 139 , 417 , 1303 , 3909 , 5143 , 15429 , 48211 , 144633 , 181117 , 543351 , 6701329 , 20103987
16 divisors
τ
Total Divisors
16
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
0.0625
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
16
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 16 positive divisors.
The sum of these divisors (counting 20103987) is 1, the average is 0.0625.
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