21552015 is an odd 8-digits composite number following 21552014
and preceding 21552016 . In scientific notation, it is written as 2.1552015 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 11494400 positive integers (up to 21552015) that are relatively prime to 21552015.
21552015 has 8 divisors, whose sum is 34483248
The reverse of 21552015 is 51025512
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million five hundred fifty-two thousand fifteen
Scientific notation
2.1552015 × 10^7
Engineering notation
2.1552015 × 10^6
Prime Factorization
3 × 5 × 1436801
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21552015
Product of the distinct prime numbers
The prime factorization of 21552015 is 3 × 5 × 1436801.
Since it has a total of 3 prime factors.
8 , 4 , 66 , 12 , 992 , 727 , 9165 , 2349 , 43122 , 20763 , 806310 , 374628 , 2028935 , 498523 , 86809486 , 78792699 , 127116815 , 854893908 , 2600153896 , 2087683407
n×2
43104030
n×3
64656045
n×4
86208060
n×5
107760075
n÷2
10776007.5
n÷3
7184005
n÷3
5388003.75
n÷5
4310403
n2
464489350560225
n3
1.0010681450614E+22
n4
2.1575035678386E+29
n5
4.6498549256611E+36
2 √n
4642.4147811242
3 √n
278.28894874345
4 √n
68.135268261923
5 √n
29.288530085576
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
-21552014
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 21552015 can be divided by 8 positive divisors.
The sum of these divisors (counting 21552015) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010001101101110001111
3
Ternary
1111112221210210
4
Quaternary
1102031232033
5
Quinary
21004131030
6
Senary
2045533503
8
Octal
122155617
10
Decimal
21552015
12
Duodecimal
7274293
16
Hexadecimal
148db8f
20
Vigesimal
6ee00f
36
Base36
ctxn3
md5
abedfd21fd698b3e1e247a23001f10e7
sha1
6c382185936c51461868ec1b83390935c897c73a
sha256
c3d849ea9d8800b65386d4f0fc69d00d37d28ee5a1e0c8931f6263503f84d88e
sha512
c5734e60643400d9812372a3d4e96b8da28fbaaaf131d328e6be6498753cbbc09bf4f4f920dabad819eec2eb9279f62d07f4fcb79b440e666dcd2c11e2c6a710
ripemd-160
7a4bb82dc5629dd59710be2213fd7126c1f3189f
Diameter
43104030
Circumference
135415303.98811
Area
1.4592363313907E+15
Volume
4.193264440357E+22
Surface area
5.8369453255628E+15
Circumference
135415303.98811
Perimeter
86208060
Area
464489350560225
Diagonal
30479151.909468
Surface area
2786936103361350
Volume
1.0010681450614E+22
Space diagonal
37329184.985487
Perimeter
64656045
Area
2.0112978868625E+14
Altitude
18664592.492743
Surface area
2.0112978868625E+14
Volume
1.1797701230046E+21
Height
10159717.303156