20989828 is an even 8-digits composite number following 20989827
and preceding 20989829 . In scientific notation, it is written as 2.0989828 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 10476032 positive integers (up to 20989828) that are relatively prime to 20989828.
20989828 has 12 divisors, whose sum is 36798300
The reverse of 20989828 is 82898902
Previous prime number is 593
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty million nine hundred eighty-nine thousand eight hundred twenty-eight
Scientific notation
2.0989828 × 10^7
Engineering notation
2.0989828 × 10^6
Prime Factorization
2 × 2 × 593 × 8849
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10494914
Product of the distinct prime numbers
The prime factorization of 20989828 is 2 × 2 × 593 × 8849.
Since it has a total of 4 prime factors.
4 , 8 , 93 , 88 , 307 , 81 , 8301 , 6561 , 62190 , 35466 , 541138 , 251479 , 2738977 , 9771667 , 12166141 , 33233312 , 111228642 , 105549559 , 3092929508 , 4562223702
n×2
41979656
n×3
62969484
n×4
83959312
n×5
104949140
n÷2
10494914
n÷3
6996609.3333333
n÷3
5247457
n÷5
4197965.6
n2
440572879469584
n3
9.2475489615313E+21
n4
1.9410446212412E+29
n5
4.0742192740178E+36
2 √n
4581.4657043352
3 √n
275.84786476648
4 √n
67.68652527893
5 √n
29.134111363478
1 , 2 , 4 , 593 , 1186 , 2372 , 8849 , 17698 , 35396 , 5247457 , 10494914 , 20989828
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
-20989827
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 20989828 can be divided by 12 positive divisors.
The sum of these divisors (counting 20989828) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000100011110000100
3
Ternary
1110111101122001
4
Quaternary
1100010132010
5
Quinary
20333133303
6
Senary
2025515044
8
Octal
120043604
10
Decimal
20989828
12
Duodecimal
7042a84
16
Hexadecimal
1404784
20
Vigesimal
6b3eb8
36
Base36
chvus
md5
6596ed9b2dede5fd7b2d199efc3cb0ba
sha1
74484522cfdb6a44038ce2120965703698631d10
sha256
de14b102108b9cfb0f22f6c95641713960a1da6ad42cf4d908c670ec702901b8
sha512
8d8228bf4bac3931be0fc3c0e2d2c62b9ffdb138c545040c1beba166b94cc4134cd289cdc092a898d0ce0416eb5022dd30a3704658efe1ab766c2e8c61a2d9b5
ripemd-160
a78682ef857206df07577c473c6b1bf0f33ccb73
Diameter
41979656
Circumference
131882978.88983
Area
1.3841005215125E+15
Volume
3.8736042508345E+22
Surface area
5.5364020860502E+15
Circumference
131882978.88983
Perimeter
83959312
Area
440572879469584
Diagonal
29684099.429479
Surface area
2643437276817504
Volume
9.2475489615313E+21
Space diagonal
36355448.538132
Perimeter
62969484
Area
1.9077365291956E+14
Altitude
18177724.269066
Surface area
1.9077365291956E+14
Volume
1.0898340966756E+21
Height
9894699.8098262