21542235 is an odd 8-digits composite number following 21542234
and preceding 21542236 . In scientific notation, it is written as 2.1542235 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 9525120 positive integers (up to 21542235) that are relatively prime to 21542235.
21542235 has 16 divisors, whose sum is 24103296
The reverse of 21542235 is 53224512
Previous prime number is 121
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million five hundred forty-two thousand two hundred thirty-five
Scientific notation
2.1542235 × 10^7
Engineering notation
2.1542235 × 10^6
Prime Factorization
195 × 11 × 121 × 83
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21542235
Product of the distinct prime numbers
The prime factorization of 21542235 is 195 × 11 × 121 × 83.
Since it has a total of 4 prime factors.
3 , 7 , 9 , 88 , 741 , 710 , 5623 , 3076 , 25463 , 41616 , 545086 , 567854 , 3198855 , 5110094 , 24299159 , 71412907 , 78350482 , 954149872 , 7017312148 , 9822240573
n×2
43084470
n×3
64626705
n×4
86168940
n×5
107711175
n÷2
10771117.5
n÷3
7180745
n÷3
5385558.75
n÷5
4308447
n2
464067888795225
n3
9.9970595163806E+21
n4
2.1535900541086E+29
n5
4.639314303927E+36
2 √n
4641.3613304719
3 √n
278.24684784311
4 √n
68.127537240619
5 √n
29.285871458699
1 , 11 , 83 , 121 , 195 , 913 , 1331 , 2145 , 10043 , 16185 , 23595 , 110473 , 178035 , 259545 , 1958385 , 21542235
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
-21542234
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 21542235 can be divided by 16 positive divisors.
The sum of these divisors (counting 21542235) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001011010101011011
3
Ternary
1111112110101120
4
Quaternary
1102023111123
5
Quinary
21003322420
6
Senary
2045420323
8
Octal
122132533
10
Decimal
21542235
12
Duodecimal
726a6a3
16
Hexadecimal
148b55b
20
Vigesimal
6ecfbf
36
Base36
ctq3f
md5
e0d09a8a0f0a589aa2fd5f068ffceb66
sha1
ce5c41a848ef78b007c5fe5c9060d258aca7cf49
sha256
86f2e2ddce05fb17862543df803d90f2c0e37806ea882ec226b2bbdbf25c11e0
sha512
3ce7f63783755e299144650911767b9135d48c07f652f61964027c2e8467458151c78ebba06b58c02de1342577702f52d34878c7e763703a286194670c447cd5
ripemd-160
dd22ddf3fb42c3a981e618035810197e9aa95799
Diameter
43084470
Circumference
135353854.43581
Area
1.457912270206E+15
Volume
4.1875584978882E+22
Surface area
5.831649080824E+15
Circumference
135353854.43581
Perimeter
86168940
Area
464067888795225
Diagonal
30465320.900828
Surface area
2784407332771350
Volume
9.9970595163806E+21
Space diagonal
37312245.528589
Perimeter
64626705
Area
2.0094729038864E+14
Altitude
18656122.764294
Surface area
2.0094729038864E+14
Volume
1.1781647626597E+21
Height
10155106.966943