21125894 is an even 8-digits composite number following 21125893
and preceding 21125895 . In scientific notation, it is written as 2.1125894 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 10383856 positive integers (up to 21125894) that are relatively prime to 21125894.
21125894 has 8 divisors, whose sum is 32226120
The reverse of 21125894 is 49852112
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million one hundred twenty-five thousand eight hundred ninety-four
Scientific notation
2.1125894 × 10^7
Engineering notation
2.1125894 × 10^6
Prime Factorization
2 × 59 × 179033
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21125894
Product of the distinct prime numbers
The prime factorization of 21125894 is 2 × 59 × 179033.
Since it has a total of 3 prime factors.
5 , 4 , 100 , 75 , 689 , 578 , 2485 , 4818 , 42513 , 98330 , 189762 , 600572 , 7490120 , 2068250 , 39454079 , 64318018 , 147742901 , 510379153 , 9352898681 , 3489175528
n×2
42251788
n×3
63377682
n×4
84503576
n×5
105629470
n÷2
10562947
n÷3
7041964.6666667
n÷3
5281473.5
n÷5
4225178.8
n2
446303397299236
n3
9.4285582631835E+21
n4
1.9918672244084E+29
n5
4.2079975844926E+36
2 √n
4596.2913310625
3 √n
276.44264021448
4 √n
67.795953648153
5 √n
29.171786019665
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
-21125893
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 21125894 can be divided by 8 positive divisors.
The sum of these divisors (counting 21125894) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100101101100000110
3
Ternary
1110202022021112
4
Quaternary
1100211230012
5
Quinary
20402012034
6
Senary
2032445022
8
Octal
120455406
10
Decimal
21125894
12
Duodecimal
70a9772
16
Hexadecimal
1425b06
20
Vigesimal
6c0eee
36
Base36
cksue
md5
2fb8eb39caef0afff6ea3be479631fbe
sha1
162b6c31f129961e09cc2974cb3c2789a7275765
sha256
9d24de79e50a502196e69b61180689cfbaccdf44814683908ce832ec532a4363
sha512
f136ab36a0121fd07cdaf3c470ad8e4130ba0c184cb71891aaac48ce6c09939c15c392a71a91001b57f11f434451da10fb00d604cbb09dbe0d1aa07dde8e51f2
ripemd-160
e68d78f0a0927f17f39aacba3b2522413b510ed8
Diameter
42251788
Circumference
132737906.78183
Area
1.4021034742274E+15
Volume
3.9494252498081E+22
Surface area
5.6084138969098E+15
Circumference
132737906.78183
Perimeter
84503576
Area
446303397299236
Diagonal
29876525.812056
Surface area
2677820383795416
Volume
9.4285582631835E+21
Space diagonal
36591121.763315
Perimeter
63377682
Area
1.9325503992822E+14
Altitude
18295560.881657
Surface area
1.9325503992822E+14
Volume
1.1111662474516E+21
Height
9958841.9373521