21490975 is an odd 8-digits composite number following 21490974
and preceding 21490976 . In scientific notation, it is written as 2.1490975 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 14707200 positive integers (up to 21490975) that are relatively prime to 21490975.
21490975 has 16 divisors, whose sum is 25822368
The reverse of 21490975 is 57909412
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million four hundred ninety thousand nine hundred seventy-five
Scientific notation
2.1490975 × 10^7
Engineering notation
2.1490975 × 10^6
Prime Factorization
17 × 25 × 11 × 4597
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21490975
Product of the distinct prime numbers
The prime factorization of 21490975 is 17 × 25 × 11 × 4597.
Since it has a total of 4 prime factors.
1 , 7 , 75 , 67 , 477 , 21 , 7585 , 5346 , 85843 , 39750 , 726406 , 854249 , 4862297 , 4816181 , 89461169 , 60787109 , 767357883 , 437916712 , 5754644576 , 1427831711
n×2
42981950
n×3
64472925
n×4
85963900
n×5
107454875
n÷2
10745487.5
n÷3
7163658.3333333
n÷3
5372743.75
n÷5
4298195
n2
461862006450625
n3
9.9258648340802E+21
n4
2.133165130026E+29
n5
4.584379848026E+36
2 √n
4635.8359548198
3 √n
278.02597535181
4 √n
68.086973459097
5 √n
29.271920959527
1 , 11 , 17 , 25 , 187 , 275 , 425 , 4597 , 4675 , 50567 , 78149 , 114925 , 859639 , 1264175 , 1953725 , 21490975
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
-21490974
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 21490975 can be divided by 16 positive divisors.
The sum of these divisors (counting 21490975) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111110110100011111
3
Ternary
1111102212002001
4
Quaternary
1101332310133
5
Quinary
21000202400
6
Senary
2044343131
8
Octal
121766437
10
Decimal
21490975
12
Duodecimal
7244aa7
16
Hexadecimal
147ed1f
20
Vigesimal
6e678f
36
Base36
csmjj
md5
b31bf2a69c6f53332ae99e984226976a
sha1
e223c693707573b89d0d23a31d174f8bb23f73ca
sha256
84ab7ef082842fd889b75faed0a5a387ebebffe3d617ea807162b645c98afc7d
sha512
6bd7346f36889acd12db0d120102e5aeeebe7e35795acf7492d3d7e2e1979affd9878848591a29afe7f6d9f061eb554bd6d0ec968dd73e81dee7af9ab731fcff
ripemd-160
fdbbcb65db7342f42f5933440a4b689b02b79cb8
Diameter
42981950
Circumference
135031778.35696
Area
1.4509822864375E+15
Volume
4.1577365391029E+22
Surface area
5.8039291457501E+15
Circumference
135031778.35696
Perimeter
85963900
Area
461862006450625
Diagonal
30392828.313621
Surface area
2771172038703750
Volume
9.9258648340802E+21
Space diagonal
37223460.604193
Perimeter
64472925
Area
1.9999211531455E+14
Altitude
18611730.302096
Surface area
1.9999211531455E+14
Volume
1.1697743888865E+21
Height
10130942.771207