21542230 is an even 8-digits composite number following 21542229
and preceding 21542231 . In scientific notation, it is written as 2.1542230 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors.
There are 8109952 positive integers (up to 21542230) that are relatively prime to 21542230.
21542230 has 16 divisors, whose sum is 41057280
The reverse of 21542230 is 03224512
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million five hundred forty-two thousand two hundred thirty
Scientific notation
2.1542230 × 10^7
Engineering notation
2.1542230 × 10^6
Prime Factorization
2 × 5 × 17 × 126719
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21542230
Product of the distinct prime numbers
The prime factorization of 21542230 is 2 × 5 × 17 × 126719.
Since it has a total of 4 prime factors.
6 , 7 , 87 , 82 , 520 , 216 , 6220 , 4633 , 19486 , 97136 , 585226 , 437857 , 4825641 , 7201243 , 28027575 , 94994262 , 800572403 , 899367863 , 468367634 , 9723429677
n×2
43084460
n×3
64626690
n×4
86168920
n×5
107711150
n÷2
10771115
n÷3
7180743.3333333
n÷3
5385557.5
n÷5
4308446
n2
464067673372900
n3
9.9970525553639E+21
n4
2.1535880546974E+29
n5
4.6393089199543E+36
2 √n
4641.3607918368
3 √n
278.24682631588
4 √n
68.127533287481
5 √n
29.285870099236
1 , 2 , 5 , 10 , 17 , 34 , 85 , 170 , 126719 , 253438 , 633595 , 1267190 , 2154223 , 4308446 , 10771115 , 21542230
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21542229
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21542230 can be divided by 16 positive divisors.
The sum of these divisors (counting 21542230) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001011010101010110
3
Ternary
1111112110101101
4
Quaternary
1102023111112
5
Quinary
21003322410
6
Senary
2045420314
8
Octal
122132526
10
Decimal
21542230
12
Duodecimal
726a69a
16
Hexadecimal
148b556
20
Vigesimal
6ecfba
36
Base36
ctq3a
md5
2ada7c8603af720d370587e2a94043d9
sha1
5693b119997b81dac3409da6fc8303f3548cfbda
sha256
1771e4da33e5c19da5d828b45eed8b0a6fa68a69ed737e6615562b5f3998c8d3
sha512
c8bd8c8205269fbd3a228806a42e971d2fe7105295c646ae9df0e38731cb60ae8ee51ece8b5de65666c7835e21be10dfb1226c9fcef2cb72fa138bb1c9139224
ripemd-160
dcb5f8e1f9d435ec172ce84bba30f0cfc8f8cc12
Diameter
43084460
Circumference
135353823.01988
Area
1.4579115934368E+15
Volume
4.1875555820643E+22
Surface area
5.8316463737472E+15
Circumference
135353823.01988
Perimeter
86168920
Area
464067673372900
Diagonal
30465313.829761
Surface area
2784406040237400
Volume
9.9970525553639E+21
Space diagonal
37312236.868334
Perimeter
64626690
Area
2.0094719710804E+14
Altitude
18656118.434167
Surface area
2.0094719710804E+14
Volume
1.178163942296E+21
Height
10155104.60992