21125895 is an odd 8-digits composite number following 21125894
and preceding 21125896 . In scientific notation, it is written as 2.1125895 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 9593472 positive integers (up to 21125895) that are relatively prime to 21125895.
21125895 has 16 divisors, whose sum is 25924608
The reverse of 21125895 is 59852112
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million one hundred twenty-five thousand eight hundred ninety-five
Scientific notation
2.1125895 × 10^7
Engineering notation
2.1125895 × 10^6
Prime Factorization
15 × 7 × 173 × 1163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21125895
Product of the distinct prime numbers
The prime factorization of 21125895 is 15 × 7 × 173 × 1163.
Since it has a total of 4 prime factors.
2 , 4 , 61 , 36 , 255 , 998 , 8580 , 4162 , 92731 , 73436 , 21016 , 587574 , 9837710 , 7885700 , 42276095 , 77008135 , 808261755 , 217120797 , 7305684228 , 3785853954
n×2
42251790
n×3
63377685
n×4
84503580
n×5
105629475
n÷2
10562947.5
n÷3
7041965
n÷3
5281473.75
n÷5
4225179
n2
446303439551025
n3
9.4285596020938E+21
n4
1.9918676015508E+29
n5
4.2079985804263E+36
2 √n
4596.2914398458
3 √n
276.44264457631
4 √n
67.795954450438
5 √n
29.171786295836
1 , 7 , 15 , 105 , 173 , 1163 , 1211 , 2595 , 8141 , 17445 , 18165 , 122115 , 201199 , 1408393 , 3017985 , 21125895
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
-21125894
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 21125895 can be divided by 16 positive divisors.
The sum of these divisors (counting 21125895) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100101101100000111
3
Ternary
1110202022021120
4
Quaternary
1100211230013
5
Quinary
20402012040
6
Senary
2032445023
8
Octal
120455407
10
Decimal
21125895
12
Duodecimal
70a9773
16
Hexadecimal
1425b07
20
Vigesimal
6c0eef
36
Base36
cksuf
md5
dfbafeb177d416f1ae2b6c92c59341d6
sha1
8528f01ec91fc30e255700853826db409895133a
sha256
e2e22b2ac46ea13198bf46e6d5593271cbe44dda5ac99499b736ba640d52e15a
sha512
3fb329c9c49b13185bd6cac173d4d3e380d2ac712d60be18332f4e596ff35ffc21cd16573cb516da207630b794ccb19878cb359ed30be6cfaa4ebb6f00d172e6
ripemd-160
12c50e59aeadfafaba7f2da7bc08a4e7d0a1ef8a
Diameter
42251790
Circumference
132737913.06502
Area
1.4021036069654E+15
Volume
3.9494258106495E+22
Surface area
5.6084144278614E+15
Circumference
132737913.06502
Perimeter
84503580
Area
446303439551025
Diagonal
29876527.22627
Surface area
2677820637306150
Volume
9.4285596020938E+21
Space diagonal
36591123.495365
Perimeter
63377685
Area
1.9325505822378E+14
Altitude
18295561.747683
Surface area
1.9325505822378E+14
Volume
1.1111664052437E+21
Height
9958842.4087567