21000246 is an even 8-digits composite number following 21000245
and preceding 21000247 . In scientific notation, it is written as 2.1000246 × 10^7.
The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors.
There are 7000080 positive integers (up to 21000246) that are relatively prime to 21000246.
21000246 has 8 divisors, whose sum is 42000504
The reverse of 21000246 is 64200012
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty-one million two hundred forty-six
Scientific notation
2.1000246 × 10^7
Engineering notation
2.1000246 × 10^6
Prime Factorization
2 × 3 × 3500041
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21000246
Product of the distinct prime numbers
The prime factorization of 21000246 is 2 × 3 × 3500041.
Since it has a total of 3 prime factors.
7 , 9 , 84 , 42 , 352 , 171 , 9579 , 1592 , 96736 , 27048 , 743061 , 601798 , 499567 , 2651292 , 69809711 , 79013544 , 997797077 , 963873946 , 2106467653 , 2123975314
n×2
42000492
n×3
63000738
n×4
84000984
n×5
105001230
n÷2
10500123
n÷3
7000082
n÷3
5250061.5
n÷5
4200049.2
n2
441010332060516
n3
9.2613254618125E+21
n4
1.9449011298413E+29
n5
4.0843402172345E+36
2 √n
4582.6025356777
3 √n
275.89349492811
4 √n
67.694922525089
5 √n
29.137002849117
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000245
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000246 can be divided by 8 positive divisors.
The sum of these divisors (counting 21000246) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111000000110110
3
Ternary
1110111220220220
4
Quaternary
1100013000312
5
Quinary
20334001441
6
Senary
2030035210
8
Octal
120070066
10
Decimal
21000246
12
Duodecimal
7048b06
16
Hexadecimal
1407036
20
Vigesimal
6b50c6
36
Base36
ci3w6
md5
0abe04c4883a4c26a0b84cec523b954e
sha1
d48578cb9b82fd45975c38c0616e2135c31a69cb
sha256
a66470d86ccf4d4b0d66d3e6183e8f94716ac966bd15d5eaa0373370122fe9d0
sha512
51cb910dc83125bf30f6b237b84ec0d0cd941ae6c46e5c24db452baa52703e7311051063136f2dfeb4ebac238bbf6688df717f310d2febc4799be47d664490a9
ripemd-160
8fbc818729294116cee39bdece2a234d7e392ae4
Diameter
42000492
Circumference
131948437.11436
Area
1.3854748193585E+15
Volume
3.8793749377779E+22
Surface area
5.541899277434E+15
Circumference
131948437.11436
Perimeter
84000984
Area
441010332060516
Diagonal
29698832.706371
Surface area
2646061992363096
Volume
9.2613254618125E+21
Space diagonal
36373493.043445
Perimeter
63000738
Area
1.9096307544791E+14
Altitude
18186746.521723
Surface area
1.9096307544791E+14
Volume
1.0914576728039E+21
Height
9899610.9021238