21000254 is an even 8-digits composite number following 21000253
and preceding 21000255 . In scientific notation, it is written as 2.1000254 × 10^7.
The sum of its digits is 14. It has a total of 5 prime factors and 32 positive divisors.
There are 9172800 positive integers (up to 21000254) that are relatively prime to 21000254.
21000254 has 32 divisors, whose sum is 35735040
The reverse of 21000254 is 45200012
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty-one million two hundred fifty-four
Scientific notation
2.1000254 × 10^7
Engineering notation
2.1000254 × 10^6
Prime Factorization
2 × 43 × 11 × 79 × 281
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21000254
Product of the distinct prime numbers
The prime factorization of 21000254 is 2 × 43 × 11 × 79 × 281.
Since it has a total of 5 prime factors.
8 , 1 , 78 , 6 , 54 , 527 , 9285 , 7819 , 57175 , 36081 , 128492 , 620444 , 8699844 , 9435257 , 33444017 , 51974008 , 325871815 , 429636015 , 292681595 , 1028966770
n×2
42000508
n×3
63000762
n×4
84001016
n×5
105001270
n÷2
10500127
n÷3
7000084.6666667
n÷3
5250063.5
n÷5
4200050.8
n2
441010668064516
n3
9.2613360460645E+21
n4
1.9449040934671E+29
n5
4.0843479968449E+36
2 √n
4582.6034085441
3 √n
275.89352996179
4 √n
67.694928972148
5 √n
29.137005069053
1 , 2 , 11 , 22 , 43 , 79 , 86 , 158 , 281 , 473 , 562 , 869 , 946 , 1738 , 3091 , 3397 , 6182 , 6794 , 12083 , 22199 , 24166 , 37367 , 44398 , 74734 , 132913 , 244189 , 265826 , 488378 , 954557 , 1909114 , 10500127 , 21000254
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
-21000253
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 21000254 can be divided by 32 positive divisors.
The sum of these divisors (counting 21000254) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000000111000000111110
3
Ternary
1110111220221012
4
Quaternary
1100013000332
5
Quinary
20334002004
6
Senary
2030035222
8
Octal
120070076
10
Decimal
21000254
12
Duodecimal
7048b12
16
Hexadecimal
140703e
20
Vigesimal
6b50ce
36
Base36
ci3we
md5
8cb3ac0c2c6259abe664b82c1d75dda4
sha1
2522378f40ccc85c5ac94aa2076c0c0fbfecce2a
sha256
e15853e5842ba65c798918df59db5a2b622526d08f8ef74f98121448b9960b3c
sha512
abc17294f53f4a4d591c162730ae581db83fa78b9b936a634be65692b8031e401ae01a45ddd596090ee98efa606d5fb828d7a3f0476560bac7d9b0cf5b789a36
ripemd-160
3510e0aba450ad4ad31cbdf4d0198cde6fb87020
Diameter
42000508
Circumference
131948487.37984
Area
1.3854758749462E+15
Volume
3.879379371299E+22
Surface area
5.5419034997848E+15
Circumference
131948487.37984
Perimeter
84001016
Area
441010668064516
Diagonal
29698844.02008
Surface area
2646064008387096
Volume
9.2613360460645E+21
Space diagonal
36373506.899852
Perimeter
63000762
Area
1.9096322094191E+14
Altitude
18186753.449926
Surface area
1.9096322094191E+14
Volume
1.0914589201699E+21
Height
9899614.6733599