20987024 is an even 8-digits composite number following 20987023
and preceding 20987025 . In scientific notation, it is written as 2.0987024 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 10 positive divisors.
There are 10493504 positive integers (up to 20987024) that are relatively prime to 20987024.
20987024 has 10 divisors, whose sum is 40662390
The reverse of 20987024 is 42078902
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million nine hundred eighty-seven thousand twenty-four
Scientific notation
2.0987024 × 10^7
Engineering notation
2.0987024 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1311689
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2623378
Product of the distinct prime numbers
The prime factorization of 20987024 is 2 × 2 × 2 × 2 × 1311689.
Since it has a total of 5 prime factors.
10 , 10 , 85 , 76 , 274 , 800 , 9283 , 4792 , 44449 , 25966 , 745763 , 198188 , 2403134 , 880313 , 97609101 , 49041576 , 490952314 , 688763172 , 5368541058 , 4691859237
n×2
41974048
n×3
62961072
n×4
83948096
n×5
104935120
n÷2
10493512
n÷3
6995674.6666667
n÷3
5246756
n÷5
4197404.8
n2
440455176376576
n3
9.2438433575394E+21
n4
1.9400076239692E+29
n5
4.0714986564425E+36
2 √n
4581.1596785094
3 √n
275.83558085039
4 √n
67.684264630041
5 √n
29.133332925333
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20987023
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20987024 can be divided by 10 positive divisors.
The sum of these divisors (counting 20987024) is 1, the average is 0.1.
Base
System
Value
2
Binary
1010000000011110010010000
3
Ternary
1110111020210012
4
Quaternary
1100003302100
5
Quinary
20333041044
6
Senary
2025454052
8
Octal
120036220
10
Decimal
20987024
12
Duodecimal
7041328
16
Hexadecimal
1403c90
20
Vigesimal
6b37b4
36
Base36
chtow
md5
8f3c0a8d40bfc015642e4453cb65e576
sha1
6015598f1cb684987049c04d973bc56c893ac169
sha256
d476ee3d96a99b9034deeb86ca95ad2180cdc3741cee1c12d00bad1edc54cfd3
sha512
d916fb80094d9f1abeb2c90d44e70fdfed4c80d103c51c9b8829d2d9f008e3e56082c70049857742ff38587856e9b0015ab715c8703a7f138ebd681c8a32f581
ripemd-160
9ced364ebb49f7e237046582c29ec608eedf1077
Diameter
41974048
Circumference
131865360.83823
Area
1.3837307463402E+15
Volume
3.8720520510641E+22
Surface area
5.534922985361E+15
Circumference
131865360.83823
Perimeter
83948096
Area
440455176376576
Diagonal
29680133.97465
Surface area
2642731058259456
Volume
9.2438433575394E+21
Space diagonal
36350591.867667
Perimeter
62961072
Area
1.9072268598524E+14
Altitude
18175295.933834
Surface area
1.9072268598524E+14
Volume
1.0893973870571E+21
Height
9893377.9915499