21551288 is an even 8-digits composite number following 21551287
and preceding 21551289 . In scientific notation, it is written as 2.1551288 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors.
There are 9796000 positive integers (up to 21551288) that are relatively prime to 21551288.
21551288 has 16 divisors, whose sum is 44082360
The reverse of 21551288 is 88215512
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million five hundred fifty-one thousand two hundred eighty-eight
Scientific notation
2.1551288 × 10^7
Engineering notation
2.1551288 × 10^6
Prime Factorization
2 × 2 × 2 × 11 × 244901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5387822
Product of the distinct prime numbers
The prime factorization of 21551288 is 2 × 2 × 2 × 11 × 244901.
Since it has a total of 5 prime factors.
3 , 1 , 64 , 93 , 978 , 643 , 816 , 5030 , 31226 , 85993 , 875786 , 103122 , 4716799 , 9237734 , 55480965 , 65033504 , 865454324 , 752985043 , 8410306516 , 2215929227
n×2
43102576
n×3
64653864
n×4
86205152
n×5
107756440
n÷2
10775644
n÷3
7183762.6666667
n÷3
5387822
n÷5
4310257.6
n2
464458014458944
n3
1.0009668433513E+22
n4
2.1572124719514E+29
n5
4.6490707260218E+36
2 √n
4642.3364806959
3 √n
278.28581959535
4 √n
68.134693664064
5 √n
29.288332488751
1 , 2 , 4 , 8 , 11 , 22 , 44 , 88 , 244901 , 489802 , 979604 , 1959208 , 2693911 , 5387822 , 10775644 , 21551288
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
-21551287
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 21551288 can be divided by 16 positive divisors.
The sum of these divisors (counting 21551288) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001101100010111000
3
Ternary
1111112220210212
4
Quaternary
1102031202320
5
Quinary
21004120123
6
Senary
2045530252
8
Octal
122154270
10
Decimal
21551288
12
Duodecimal
7273988
16
Hexadecimal
148d8b8
20
Vigesimal
6edi48
36
Base36
ctx2w
md5
6dcdb6b2c1da1477c2524cab9919ae99
sha1
b7114c6c95f98daae4f3f2a22f023c4bea1db360
sha256
180cc7c7534a18c676fbde4725bd473bb39b645cd5b701e5a2b6c5e026b02dc9
sha512
cc2fa497cbbde70462391f227f8b935eea60cd17ac8a23986e0eeb592ef583e9bea0dc508e0fb9558432ec7cdb086eba82ef44af985dc708edaa7ee1fb8a6ac3
ripemd-160
5b33faff721b6e7e602aed4dc914764e768269a1
Diameter
43102576
Circumference
135410736.1124
Area
1.4591378861251E+15
Volume
4.1928401087458E+22
Surface area
5.8365515445005E+15
Circumference
135410736.1124
Perimeter
86205152
Area
464458014458944
Diagonal
30478123.776209
Surface area
2786748086753664
Volume
1.0009668433513E+22
Space diagonal
37327925.784549
Perimeter
64653864
Area
2.0111621975636E+14
Altitude
18663962.892275
Surface area
2.0111621975636E+14
Volume
1.1796507377943E+21
Height
10159374.59207