20987003 is an odd 8-digits composite number following 20987002
and preceding 20987004 . In scientific notation, it is written as 2.0987003 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 20899680 positive integers (up to 20987003) that are relatively prime to 20987003.
20987003 has 4 divisors, whose sum is 21074328
The reverse of 20987003 is 30078902
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million nine hundred eighty-seven thousand three
Scientific notation
2.0987003 × 10^7
Engineering notation
2.0987003 × 10^6
Prime Factorization
241 × 87083
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20987003
Product of the distinct prime numbers
The prime factorization of 20987003 is 241 × 87083.
Since it has a total of 2 prime factors.
7 , 3 , 81 , 70 , 515 , 476 , 9739 , 1205 , 99882 , 74145 , 162803 , 867191 , 370693 , 8417959 , 60178087 , 68497397 , 163580584 , 207510436 , 6939244191 , 4853571310
n×2
41974006
n×3
62961009
n×4
83948012
n×5
104935015
n÷2
10493501.5
n÷3
6995667.6666667
n÷3
5246750.75
n÷5
4197400.6
n2
440454294922009
n3
9.2438156088911E+21
n4
1.9399998591524E+29
n5
4.0714782864032E+36
2 √n
4581.1573865127
3 √n
275.83548884831
4 √n
67.684247698506
5 √n
29.133327095062
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20987002
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20987003 can be divided by 4 positive divisors.
The sum of these divisors (counting 20987003) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000011110001111011
3
Ternary
1110111020202102
4
Quaternary
1100003301323
5
Quinary
20333041003
6
Senary
2025454015
8
Octal
120036173
10
Decimal
20987003
12
Duodecimal
704130b
16
Hexadecimal
1403c7b
20
Vigesimal
6b37a3
36
Base36
chtob
md5
1f2923ff451863a6db6fa6af55c3a20d
sha1
3e635eca099ddd320d4b3e93f5a742c96acdc93a
sha256
d6b16f8c4435259cb89ca4212c0530967fdb1fe09e7a9afc4fa656658b245e09
sha512
dc08e5641ab47733bde74838adeb426d9553e4dda80bdf948e5e3d101da202629a931fc5a7104c6e5b2a9f7bf0fde4d962e9cfc718f12062a6acc4b750f8992d
ripemd-160
7f127e13627699a351622e813d29965487e97d20
Diameter
41974006
Circumference
131865228.89133
Area
1.3837279771691E+15
Volume
3.8720404277375E+22
Surface area
5.5349119086762E+15
Circumference
131865228.89133
Perimeter
83948012
Area
440454294922009
Diagonal
29680104.276165
Surface area
2642725769532054
Volume
9.2438156088911E+21
Space diagonal
36350555.4946
Perimeter
62961009
Area
1.9072230430421E+14
Altitude
18175277.7473
Surface area
1.9072230430421E+14
Volume
1.0893941168475E+21
Height
9893368.0920549