20993428 is an even 8-digits composite number following 20993427
and preceding 20993429 . In scientific notation, it is written as 2.0993428 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 10487552 positive integers (up to 20993428) that are relatively prime to 20993428.
20993428 has 12 divisors, whose sum is 36770580
The reverse of 20993428 is 82439902
Previous prime number is 2273
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million nine hundred ninety-three thousand four hundred twenty-eight
Scientific notation
2.0993428 × 10^7
Engineering notation
2.0993428 × 10^6
Prime Factorization
2 × 2 × 2273 × 2309
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10496714
Product of the distinct prime numbers
The prime factorization of 20993428 is 2 × 2 × 2273 × 2309.
Since it has a total of 4 prime factors.
1 , 10 , 26 , 42 , 488 , 365 , 8648 , 7257 , 77334 , 95080 , 765759 , 512030 , 3487188 , 3228096 , 83897900 , 24385643 , 924929754 , 110819023 , 1368937702 , 8251322674
n×2
41986856
n×3
62980284
n×4
83973712
n×5
104967140
n÷2
10496714
n÷3
6997809.3333333
n÷3
5248357
n÷5
4198685.6
n2
440724019191184
n3
9.2523079647607E+21
n4
1.9423766109203E+29
n5
4.077714353024E+36
2 √n
4581.858574858
3 √n
275.86363423896
4 √n
67.689427349166
5 √n
29.135110662817
1 , 2 , 4 , 2273 , 2309 , 4546 , 4618 , 9092 , 9236 , 5248357 , 10496714 , 20993428
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
-20993427
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 20993428 can be divided by 12 positive divisors.
The sum of these divisors (counting 20993428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000101010110010100
3
Ternary
1110111120120101
4
Quaternary
1100011112110
5
Quinary
20333242203
6
Senary
2025543444
8
Octal
120052624
10
Decimal
20993428
12
Duodecimal
7044b84
16
Hexadecimal
1405594
20
Vigesimal
6b43b8
36
Base36
chyms
md5
930905ee2919a62b79e5c9a33b39e40f
sha1
1066a0904d2e596cc116cd0760ad856684103c4d
sha256
9a465e2c1faa71a3ed0729609c56ec47f1e3fff5d1524f597ce49243af5e9113
sha512
e8958e0a1b46621c9762e4850ad6886d7ebf33fa5ab75da1e12909dddee964b4d1e1507d47ac386b6083c66fcf6ae8b364abc5c9f04e1340808c39489eca3b9b
ripemd-160
a502aab6e46b60ca856b2082469ee542e35fc8a6
Diameter
41986856
Circumference
131905598.35693
Area
1.3845753409516E+15
Volume
3.8755976974457E+22
Surface area
5.5383013638064E+15
Circumference
131905598.35693
Perimeter
83973712
Area
440724019191184
Diagonal
29689190.598303
Surface area
2644344115147104
Volume
9.2523079647607E+21
Space diagonal
36361683.921039
Perimeter
62980284
Area
1.9083909833877E+14
Altitude
18180841.96052
Surface area
1.9083909833877E+14
Volume
1.0903949505848E+21
Height
9896396.866101