21151275 is an odd 8-digits composite number following 21151274
and preceding 21151276 . In scientific notation, it is written as 2.1151275 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 10686240 positive integers (up to 21151275) that are relatively prime to 21151275.
21151275 has 16 divisors, whose sum is 30875520
The reverse of 21151275 is 57215112
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million one hundred fifty-one thousand two hundred seventy-five
Scientific notation
2.1151275 × 10^7
Engineering notation
2.1151275 × 10^6
Prime Factorization
3 × 25 × 19 × 14843
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21151275
Product of the distinct prime numbers
The prime factorization of 21151275 is 3 × 25 × 19 × 14843.
Since it has a total of 4 prime factors.
5 , 3 , 26 , 75 , 491 , 155 , 2537 , 2907 , 82690 , 27508 , 804597 , 570187 , 238592 , 6012828 , 39149170 , 13162643 , 705735215 , 942790084 , 374698599 , 5374268836
n×2
42302550
n×3
63453825
n×4
84605100
n×5
105756375
n÷2
10575637.5
n÷3
7050425
n÷3
5287818.75
n÷5
4230255
n2
447376434125625
n3
9.4625819867105E+21
n4
2.0014567381096E+29
n5
4.2333361868359E+36
2 √n
4599.0515326532
3 √n
276.55330350217
4 √n
67.81630727674
5 √n
29.178792147229
1 , 3 , 19 , 25 , 57 , 75 , 475 , 1425 , 14843 , 44529 , 282017 , 371075 , 846051 , 1113225 , 7050425 , 21151275
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
-21151274
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 21151275 can be divided by 16 positive divisors.
The sum of these divisors (counting 21151275) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000101011111000101011
3
Ternary
1110210121002120
4
Quaternary
1100223320223
5
Quinary
20403320100
6
Senary
2033202323
8
Octal
120537053
10
Decimal
21151275
12
Duodecimal
71003a3
16
Hexadecimal
142be2b
20
Vigesimal
6c3i3f
36
Base36
clcff
md5
62296a7f43ffe330d23798831eea7201
sha1
082768c38b2a4102f7ee58d34c358a3adfaffa32
sha256
fdf6548a5869db9f71c921567301773a0145ebab881a2e63e1873ebaa97cd230
sha512
2d639057593bf0e3f0948fe7693570027c18b281904a42411f1cbcd9950db964360312a0e0eaa8ff1ebeda84d63e617abe43c1fd5f5c0ecbf96b2c806f61a527
ripemd-160
b279de6fdf8be49300e249028a7d0ca729cfd4a5
Diameter
42302550
Circumference
132897380.30811
Area
1.4054745188383E+15
Volume
3.9636770737921E+22
Surface area
5.621898075353E+15
Circumference
132897380.30811
Perimeter
84605100
Area
447376434125625
Diagonal
29912419.966483
Surface area
2684258604753750
Volume
9.4625819867105E+21
Space diagonal
36635082.944861
Perimeter
63453825
Area
1.9371967850364E+14
Altitude
18317541.472431
Surface area
1.9371967850364E+14
Volume
1.1151759817228E+21
Height
9970806.6554943