21000288 is an even 8-digits composite number following 21000287
and preceding 21000289 . In scientific notation, it is written as 2.1000288 × 10^7.
The sum of its digits is 21. It has a total of 7 prime factors and 24 positive divisors.
There are 6695040 positive integers (up to 21000288) that are relatively prime to 21000288.
21000288 has 24 divisors, whose sum is 41947920
The reverse of 21000288 is 88200012
Previous prime number is 69
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million two hundred eighty-eight
Scientific notation
2.1000288 × 10^7
Engineering notation
2.1000288 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 69 × 9511
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1312518
Product of the distinct prime numbers
The prime factorization of 21000288 is 2 × 2 × 2 × 2 × 2 × 69 × 9511.
Since it has a total of 7 prime factors.
2 , 9 , 70 , 98 , 799 , 540 , 3056 , 7228 , 85850 , 67245 , 249501 , 871796 , 1511993 , 9031104 , 14767216 , 68226985 , 330123492 , 122936219 , 5704207356 , 9265325726
n×2
42000576
n×3
63000864
n×4
84001152
n×5
105001440
n÷2
10500144
n÷3
7000096
n÷3
5250072
n÷5
4200057.6
n2
441012096082944
n3
9.2613810292255E+21
n4
1.9449166889147E+29
n5
4.0843810603215E+36
2 √n
4582.6071182243
3 √n
275.89367885483
4 √n
67.694956372128
5 √n
29.137014503773
1 , 2 , 4 , 8 , 16 , 32 , 69 , 138 , 276 , 552 , 1104 , 2208 , 9511 , 19022 , 38044 , 76088 , 152176 , 304352 , 656259 , 1312518 , 2625036 , 5250072 , 10500144 , 21000288
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000287
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000288 can be divided by 24 positive divisors.
The sum of these divisors (counting 21000288) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000111000001100000
3
Ternary
1110111220222110
4
Quaternary
1100013001200
5
Quinary
20334002123
6
Senary
2030035320
8
Octal
120070140
10
Decimal
21000288
12
Duodecimal
7048b40
16
Hexadecimal
1407060
20
Vigesimal
6b50e8
36
Base36
ci3xc
md5
32524007b188957d90019b9edfed676e
sha1
5f133b1790552c09828c2d4dcfe9542207befa39
sha256
60ca717278a208c2dfa4d3fbb9d942f40949c5b6acfe3a0e2439e6838f05f889
sha512
1b48859197836e9cf8804e64b9cfcfb8fde22dca29e1936404c3b55311bf0dd0efccab5b9952b5dfe45b6c21d50654f164221655c65dd6648089195fcc7c2296
ripemd-160
6c749ce67b01a88c1995de96f3d7fdaccda81d40
Diameter
42000576
Circumference
131948701.00814
Area
1.3854803611984E+15
Volume
3.8793982138014E+22
Surface area
5.5419214447937E+15
Circumference
131948701.00814
Perimeter
84001152
Area
441012096082944
Diagonal
29698892.103341
Surface area
2646072576497664
Volume
9.2613810292255E+21
Space diagonal
36373565.789579
Perimeter
63000864
Area
1.9096383929203E+14
Altitude
18186782.89479
Surface area
1.9096383929203E+14
Volume
1.0914642214863E+21
Height
9899630.7011137