20997448 is an even 8-digits composite number following 20997447
and preceding 20997449 . In scientific notation, it is written as 2.0997448 × 10^7.
The sum of its digits is 43. It has a total of 6 prime factors and 32 positive divisors.
There are 9815040 positive integers (up to 20997448) that are relatively prime to 20997448.
20997448 has 32 divisors, whose sum is 41965560
The reverse of 20997448 is 84479902
Previous prime number is 181
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million nine hundred ninety-seven thousand four hundred forty-eight
Scientific notation
2.0997448 × 10^7
Engineering notation
2.0997448 × 10^6
Prime Factorization
2 × 2 × 2 × 17 × 181 × 853
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5249362
Product of the distinct prime numbers
The prime factorization of 20997448 is 2 × 2 × 2 × 17 × 181 × 853.
Since it has a total of 6 prime factors.
4 , 10 , 88 , 20 , 346 , 713 , 2804 , 844 , 81386 , 87361 , 909791 , 746687 , 5935349 , 7600924 , 77579300 , 17058910 , 381922624 , 31571767 , 6369894870 , 7237465582
n×2
41994896
n×3
62992344
n×4
83989792
n×5
104987240
n÷2
10498724
n÷3
6999149.3333333
n÷3
5249362
n÷5
4199489.6
n2
440892822512704
n3
9.2576241142837E+21
n4
1.9438648094322E+29
n5
4.0816200255082E+36
2 √n
4582.2972404679
3 √n
275.88124135283
4 √n
67.692667553199
5 √n
29.136226385078
1 , 2 , 4 , 8 , 17 , 34 , 68 , 136 , 181 , 362 , 724 , 853 , 1448 , 1706 , 3077 , 3412 , 6154 , 6824 , 12308 , 14501 , 24616 , 29002 , 58004 , 116008 , 154393 , 308786 , 617572 , 1235144 , 2624681 , 5249362 , 10498724 , 20997448
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20997447
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20997448 can be divided by 32 positive divisors.
The sum of these divisors (counting 20997448) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000000110010101001000
3
Ternary
1110111210002021
4
Quaternary
1100012111020
5
Quinary
20333404243
6
Senary
2030014224
8
Octal
120062510
10
Decimal
20997448
12
Duodecimal
7047374
16
Hexadecimal
1406548
20
Vigesimal
6b4dc8
36
Base36
ci1qg
md5
2759541e818a917f9a1791b32cf6dd64
sha1
65df7e6066eb3fedab443b6cc1d8e241718b468b
sha256
8951f258520c5882961efa8cba5dd5907f8528920643af138ea69e991ac83131
sha512
705ccebd9b3bed28fe40260e41aea8533e62ec382759f0820fc7e599368beb48763728a7329eb29bafc6abc46d542b69312f8b4b0103dafbf7e0e8099c045109
ripemd-160
8b7e09af9bc803c51238b7c6ef991fb55c63d6ed
Diameter
41994896
Circumference
131930856.76187
Area
1.3851056522264E+15
Volume
3.8778245209506E+22
Surface area
5.5404226089055E+15
Circumference
131930856.76187
Perimeter
83989792
Area
440892822512704
Diagonal
29694875.736824
Surface area
2645356935076224
Volume
9.2576241142837E+21
Space diagonal
36368646.765286
Perimeter
62992344
Area
1.9091219232111E+14
Altitude
18184323.382643
Surface area
1.9091219232111E+14
Volume
1.0910214648144E+21
Height
9898291.9122746