21014728 is an even 8-digits composite number following 21014727
and preceding 21014729 . In scientific notation, it is written as 2.1014728 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 24 positive divisors.
There are 9006144 positive integers (up to 21014728) that are relatively prime to 21014728.
21014728 has 24 divisors, whose sum is 45836550
The reverse of 21014728 is 82741012
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million fourteen thousand seven hundred twenty-eight
Scientific notation
2.1014728 × 10^7
Engineering notation
2.1014728 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 7 × 53609
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
750526
Product of the distinct prime numbers
The prime factorization of 21014728 is 2 × 2 × 2 × 7 × 7 × 53609.
Since it has a total of 6 prime factors.
10 , 10 , 93 , 78 , 325 , 848 , 4430 , 1786 , 16010 , 18255 , 5424 , 878292 , 9172813 , 7815273 , 95973684 , 52392411 , 209848408 , 21707770 , 5630851851 , 6820920317
n×2
42029456
n×3
63044184
n×4
84058912
n×5
105073640
n÷2
10507364
n÷3
7004909.3333333
n÷3
5253682
n÷5
4202945.6
n2
441618792913984
n3
9.2804988127757E+21
n4
1.950271582548E+29
n5
4.0984426833377E+36
2 √n
4584.1823698452
3 √n
275.9569000822
4 √n
67.706590298473
5 √n
29.141020380412
1 , 2 , 4 , 7 , 8 , 14 , 28 , 49 , 56 , 98 , 196 , 392 , 53609 , 107218 , 214436 , 375263 , 428872 , 750526 , 1501052 , 2626841 , 3002104 , 5253682 , 10507364 , 21014728
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
-21014727
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 21014728 can be divided by 24 positive divisors.
The sum of these divisors (counting 21014728) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000001010100011001000
3
Ternary
1110112122210021
4
Quaternary
1100022203020
5
Quinary
20334432403
6
Senary
2030230224
8
Octal
120124310
10
Decimal
21014728
12
Duodecimal
7055374
16
Hexadecimal
140a8c8
20
Vigesimal
6b6gg8
36
Base36
cif2g
md5
7650770877b5ef2caa145b80a5315452
sha1
9351f8987d86674f659fa34ce54f5ac9081aad1e
sha256
7e3a86c836f45cb5fdc5cd0e03699dc654394d3f6d4c8b0af973b06492bc6e93
sha512
6c3087ecf67c200dce3d9cb9c3404e8d3de4b796c4679192f6541376e3bd6c453ddf7eb5269c7103415d64360136ee2c0301729bc4d7fc4b4056fad5c3b5cf78
ripemd-160
6d5d258e85fed6ac44c81d3278fb1fc1205e736f
Diameter
42029456
Circumference
132039430.20398
Area
1.3873863555058E+15
Volume
3.8874062522487E+22
Surface area
5.5495454220231E+15
Circumference
132039430.20398
Perimeter
84058912
Area
441618792913984
Diagonal
29719313.347182
Surface area
2649712757483904
Volume
9.2804988127757E+21
Space diagonal
36398576.60324
Perimeter
63044184
Area
1.9122654672606E+14
Altitude
18199288.30162
Surface area
1.9122654672606E+14
Volume
1.0937172738846E+21
Height
9906437.7823939