21053988 is an even 8-digits composite number following 21053987
and preceding 21053989 . In scientific notation, it is written as 2.1053988 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 36 positive divisors.
There are 6985776 positive integers (up to 21053988) that are relatively prime to 21053988.
21053988 has 36 divisors, whose sum is 53464320
The reverse of 21053988 is 88935012
Previous prime number is 239
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million fifty-three thousand nine hundred eighty-eight
Scientific notation
2.1053988 × 10^7
Engineering notation
2.1053988 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 239 × 2447
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3508998
Product of the distinct prime numbers
The prime factorization of 21053988 is 2 × 2 × 3 × 3 × 239 × 2447.
Since it has a total of 6 prime factors.
1 , 1 , 62 , 29 , 96 , 701 , 1182 , 346 , 89939 , 36437 , 829980 , 110905 , 8347651 , 3337500 , 29639831 , 28504604 , 118225015 , 346921353 , 8691301342 , 5435778401
n×2
42107976
n×3
63161964
n×4
84215952
n×5
105269940
n÷2
10526994
n÷3
7017996
n÷3
5263497
n÷5
4210797.6
n2
443270410704144
n3
9.3326099077201E+21
n4
1.9648865700582E+29
n5
4.1368698267367E+36
2 √n
4588.4624875878
3 √n
276.12864198478
4 √n
67.738190761104
5 √n
29.151900582769
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 239 , 478 , 717 , 956 , 1434 , 2151 , 2447 , 2868 , 4302 , 4894 , 7341 , 8604 , 9788 , 14682 , 22023 , 29364 , 44046 , 88092 , 584833 , 1169666 , 1754499 , 2339332 , 3508998 , 5263497 , 7017996 , 10526994 , 21053988
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21053987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21053988 can be divided by 36 positive divisors.
The sum of these divisors (counting 21053988) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1010000010100001000100100
3
Ternary
1110121122122100
4
Quaternary
1100110020210
5
Quinary
20342211423
6
Senary
2031132100
8
Octal
120241044
10
Decimal
21053988
12
Duodecimal
7074030
16
Hexadecimal
1414224
20
Vigesimal
6bbej8
36
Base36
cj9d0
md5
20b338cbed0e524a5a297db42a939122
sha1
1db6ed23023a1e9fdbe493c4ec22efb965da25e2
sha256
47fc6fd7c6fe02266f20eed3db9fd8b6e576c9ad7ec091f466a5712789df5632
sha512
ea865bbe54a92e2c9c895a34961079d7114636551ac84fa02e8a38b9bbc00311d4963be6f8951e383dfcb6c59a03a02ece1fbd3e9fb55e45f954a36f4752a154
ripemd-160
06ffb6e5268234f2f75bc30cbbd5503ba81cb128
Diameter
42107976
Circumference
132286108.05914
Area
1.3925750658219E+15
Volume
3.909234496655E+22
Surface area
5.5703002632875E+15
Circumference
132286108.05914
Perimeter
84215952
Area
443270410704144
Diagonal
29774835.37164
Surface area
2659622464224864
Volume
9.3326099077201E+21
Space diagonal
36466576.917945
Perimeter
63161964
Area
1.9194171820788E+14
Altitude
18233288.458973
Surface area
1.9194171820788E+14
Volume
1.0998586253196E+21
Height
9924945.1238801