21068425 is an odd 8-digits composite number following 21068424
and preceding 21068426 . In scientific notation, it is written as 2.1068425 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 14446800 positive integers (up to 21068425) that are relatively prime to 21068425.
21068425 has 12 divisors, whose sum is 29857216
The reverse of 21068425 is 52486012
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million sixty-eight thousand four hundred twenty-five
Scientific notation
2.1068425 × 10^7
Engineering notation
2.1068425 × 10^6
Prime Factorization
7 × 5 × 5 × 120391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4213685
Product of the distinct prime numbers
The prime factorization of 21068425 is 7 × 5 × 5 × 120391.
Since it has a total of 4 prime factors.
1 , 7 , 35 , 66 , 72 , 1000 , 1123 , 2364 , 50848 , 61532 , 882929 , 303527 , 3943919 , 696377 , 6783058 , 40349782 , 341627918 , 204966535 , 2339494225 , 2996782796
n×2
42136850
n×3
63205275
n×4
84273700
n×5
105342125
n÷2
10534212.5
n÷3
7022808.3333333
n÷3
5267106.25
n÷5
4213685
n2
443878531980625
n3
9.3518215601439E+21
n4
1.9702815115327E+29
n5
4.1510728254614E+36
2 √n
4590.0354029136
3 √n
276.19174259323
4 √n
67.749800021207
5 √n
29.155897455939
1 , 5 , 7 , 25 , 35 , 175 , 120391 , 601955 , 842737 , 3009775 , 4213685 , 21068425
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
-21068424
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 21068425 can be divided by 12 positive divisors.
The sum of these divisors (counting 21068425) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000010111101010001001
3
Ternary
1110122101110001
4
Quaternary
1100113222021
5
Quinary
20343142200
6
Senary
2031323001
8
Octal
120275211
10
Decimal
21068425
12
Duodecimal
7080461
16
Hexadecimal
1417a89
20
Vigesimal
6bdb15
36
Base36
cjki1
md5
0eba7a397b71d2534a31c9c5b4b0deb1
sha1
e4619d623979ab1765216cac48f4eb6cb5ffae27
sha256
37ff41b2895f66dd1458a1a7bceb1156db5696abe2ceefeae9c860f36043e004
sha512
4fe1e78a2ec79fb78719937b09752918377ffbd0f11ed3a9ae92f52ff03991753c849ad0f94d447df825e88cc2d4b80e2ca67704597a5dcf3ed165b3b48cf7a2
ripemd-160
dff8fa586592b3f35bb8fe321cdc4ec32edb3115
Diameter
42136850
Circumference
132376818.40542
Area
1.3944855351566E+15
Volume
3.9172818548041E+22
Surface area
5.5779421406262E+15
Circumference
132376818.40542
Perimeter
84273700
Area
443878531980625
Diagonal
29795252.37284
Surface area
2663271191883750
Volume
9.3518215601439E+21
Space diagonal
36491582.535454
Perimeter
63205275
Area
1.9220504244488E+14
Altitude
18245791.267727
Surface area
1.9220504244488E+14
Volume
1.1021227402707E+21
Height
9931750.7909468