21128524 is an even 8-digits composite number following 21128523
and preceding 21128525 . In scientific notation, it is written as 2.1128524 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 10494000 positive integers (up to 21128524) that are relatively prime to 21128524.
21128524 has 12 divisors, whose sum is 37220848
The reverse of 21128524 is 42582112
Previous prime number is 151
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million one hundred twenty-eight thousand five hundred twenty-four
Scientific notation
2.1128524 × 10^7
Engineering notation
2.1128524 × 10^6
Prime Factorization
2 × 2 × 151 × 34981
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10564262
Product of the distinct prime numbers
The prime factorization of 21128524 is 2 × 2 × 151 × 34981.
Since it has a total of 4 prime factors.
6 , 1 , 85 , 35 , 465 , 895 , 3640 , 6477 , 32659 , 10418 , 987060 , 207586 , 4103976 , 3359975 , 59689918 , 15870466 , 146266401 , 553151302 , 6434634542 , 748002670
n×2
42257048
n×3
63385572
n×4
84514096
n×5
105642620
n÷2
10564262
n÷3
7042841.3333333
n÷3
5282131
n÷5
4225704.8
n2
446414526418576
n3
9.4320800353835E+21
n4
1.9928592939752E+29
n5
4.2106175421378E+36
2 √n
4596.5774223872
3 √n
276.45411134995
4 √n
67.798063559273
5 √n
29.172512312972
1 , 2 , 4 , 151 , 302 , 604 , 34981 , 69962 , 139924 , 5282131 , 10564262 , 21128524
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21128523
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21128524 can be divided by 12 positive divisors.
The sum of these divisors (counting 21128524) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100110010101001100
3
Ternary
1110202102212221
4
Quaternary
1100212111030
5
Quinary
20402103044
6
Senary
2032505124
8
Octal
120462514
10
Decimal
21128524
12
Duodecimal
70ab1a4
16
Hexadecimal
142654c
20
Vigesimal
6c1164
36
Base36
ckuvg
md5
f066eac9b00c51c0cb84b80621abec86
sha1
a6cdb8788c923ed42293e952722504418350ac76
sha256
23bbe6db06a4eb9cb6e9b18a3a3415f19cc2bc48a7421e9245e9f912ee48da55
sha512
98f2701479ef7a584188fd66cfdf745930f818cb58629172bf54667d213f79d72d1f9e541825f75ab12d7a647c3f18a27be128e4cce58838772b821cec5f97c9
ripemd-160
31a71e209d9454187983f3d5d058531c5bff4c2b
Diameter
42257048
Circumference
132754431.55919
Area
1.4024525966524E+15
Volume
3.9509004462976E+22
Surface area
5.6098103866095E+15
Circumference
132754431.55919
Perimeter
84514096
Area
446414526418576
Diagonal
29880245.193725
Surface area
2678487158511456
Volume
9.4320800353835E+21
Space diagonal
36595677.056938
Perimeter
63385572
Area
1.9330316024844E+14
Altitude
18297838.528469
Surface area
1.9330316024844E+14
Volume
1.1115812922857E+21
Height
9960081.7312418