21494775 is an odd 8-digits composite number following 21494774
and preceding 21494776 . In scientific notation, it is written as 2.1494775 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 11420640 positive integers (up to 21494775) that are relatively prime to 21494775.
21494775 has 24 divisors, whose sum is 35672320
The reverse of 21494775 is 57749412
Previous prime number is 619
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million four hundred ninety-four thousand seven hundred seventy-five
Scientific notation
2.1494775 × 10^7
Engineering notation
2.1494775 × 10^6
Prime Factorization
3 × 5 × 5 × 619 × 463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4298955
Product of the distinct prime numbers
The prime factorization of 21494775 is 3 × 5 × 5 × 619 × 463.
Since it has a total of 5 prime factors.
1 , 8 , 16 , 52 , 670 , 103 , 8356 , 7804 , 16199 , 64237 , 158790 , 468555 , 6809971 , 2482256 , 30870833 , 35237387 , 448532785 , 367393454 , 6407177405 , 5584918462
n×2
42989550
n×3
64484325
n×4
85979100
n×5
107473875
n÷2
10747387.5
n÷3
7164925
n÷3
5373693.75
n÷5
4298955
n2
462025352300625
n3
9.9311309919977E+21
n4
2.1346742616852E+29
n5
4.5884342953214E+36
2 √n
4636.2457872723
3 √n
278.04236108959
4 √n
68.089983017124
5 √n
29.272956049217
1 , 3 , 5 , 15 , 25 , 75 , 463 , 619 , 1389 , 1857 , 2315 , 3095 , 6945 , 9285 , 11575 , 15475 , 34725 , 46425 , 286597 , 859791 , 1432985 , 4298955 , 7164925 , 21494775
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21494774
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21494775 can be divided by 24 positive divisors.
The sum of these divisors (counting 21494775) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001111111101111110111
3
Ternary
1111110001021210
4
Quaternary
1101333233313
5
Quinary
21000313100
6
Senary
2044412503
8
Octal
121775767
10
Decimal
21494775
12
Duodecimal
7247133
16
Hexadecimal
147fbf7
20
Vigesimal
6e6gif
36
Base36
csph3
md5
877b37e1ccabf2b940e39db5c8ec7b1d
sha1
fdff629854f28d500c5037cbeb53a15d5c2bddcd
sha256
838ec1d87bc1018bb73da210d6814122993d3e3c11ee2752168cb13cdb54355f
sha512
3490c9f2267e4665989b3c6e96de43e6285731037f45cbf9c371334194f2bc654e9c95a4a83ffda13e6e1b202ab49bceb6670e7a89115e18e3acd451dc126bea
ripemd-160
3f048931762ccb62b1877f010b2cf74d96dfb416
Diameter
42989550
Circumference
135055654.46113
Area
1.4514954525599E+15
Volume
4.159942422173E+22
Surface area
5.8059818102395E+15
Circumference
135055654.46113
Perimeter
85979100
Area
462025352300625
Diagonal
30398202.325158
Surface area
2772152113803750
Volume
9.9311309919977E+21
Space diagonal
37230042.397261
Perimeter
64484325
Area
2.000628461424E+14
Altitude
18615021.198631
Surface area
2.000628461424E+14
Volume
1.1703950115489E+21
Height
10132734.108386