21014805 is an odd 8-digits composite number following 21014804
and preceding 21014806 . In scientific notation, it is written as 2.1014805 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 8847360 positive integers (up to 21014805) that are relatively prime to 21014805.
21014805 has 32 divisors, whose sum is 28578528
The reverse of 21014805 is 50841012
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million fourteen thousand eight hundred five
Scientific notation
2.1014805 × 10^7
Engineering notation
2.1014805 × 10^6
Prime Factorization
21 × 5 × 61 × 17 × 193
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21014805
Product of the distinct prime numbers
The prime factorization of 21014805 is 21 × 5 × 61 × 17 × 193.
Since it has a total of 5 prime factors.
5 , 10 , 3 , 5 , 618 , 329 , 2333 , 9333 , 70425 , 7624 , 697906 , 520009 , 3110727 , 8583308 , 71148029 , 15759950 , 699882210 , 380158646 , 6727570088 , 420743188
n×2
42029610
n×3
63044415
n×4
84059220
n×5
105074025
n÷2
10507402.5
n÷3
7004935
n÷3
5253701.25
n÷5
4202961
n2
441622029188025
n3
9.2806008270907E+21
n4
1.9503001666415E+29
n5
4.0985177693438E+36
2 √n
4584.1907682818
3 √n
275.95723712606
4 √n
67.706652319265
5 √n
29.141041735486
1 , 5 , 17 , 21 , 61 , 85 , 105 , 193 , 305 , 357 , 965 , 1037 , 1281 , 1785 , 3281 , 4053 , 5185 , 6405 , 11773 , 16405 , 20265 , 21777 , 58865 , 68901 , 108885 , 200141 , 247233 , 344505 , 1000705 , 1236165 , 4202961 , 21014805
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21014804
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21014805 can be divided by 32 positive divisors.
The sum of these divisors (counting 21014805) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000001010100100010101
3
Ternary
1110112122220010
4
Quaternary
1100022210111
5
Quinary
20334433210
6
Senary
2030230433
8
Octal
120124425
10
Decimal
21014805
12
Duodecimal
7055419
16
Hexadecimal
140a915
20
Vigesimal
6b6h05
36
Base36
cif4l
md5
6fb87e48e4fe6e641bbd98375d681988
sha1
66a921d67ddef04f91080ef867b821155996eb01
sha256
6058a896df7c4edc30ea48bb94c5465444f8178c29b6b4579381b47b7ae8d216
sha512
32a3afea3c355e9a3f4fa7ebfe0c6603320ba7ccb821d892cb43bb972178e57ff9639ba1d7fd5bddd18629578bf7923119f18ed656cf76f2300abac7c5d08d86
ripemd-160
5e92b290fa947271795af6ae7dc05f2bdce3d8a2
Diameter
42029610
Circumference
132039914.00924
Area
1.3873965225605E+15
Volume
3.887448983905E+22
Surface area
5.5495860902421E+15
Circumference
132039914.00924
Perimeter
84059220
Area
441622029188025
Diagonal
29719422.241626
Surface area
2649732175128150
Volume
9.2806008270907E+21
Space diagonal
36398709.971152
Perimeter
63044415
Area
1.9122794807383E+14
Altitude
18199354.985576
Surface area
1.9122794807383E+14
Volume
1.0937292963869E+21
Height
9906474.080542