21004788 is an even 8-digits composite number following 21004787
and preceding 21004789 . In scientific notation, it is written as 2.1004788 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 6001344 positive integers (up to 21004788) that are relatively prime to 21004788.
21004788 has 24 divisors, whose sum is 56012992
The reverse of 21004788 is 88740012
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four thousand seven hundred eighty-eight
Scientific notation
2.1004788 × 10^7
Engineering notation
2.1004788 × 10^6
Prime Factorization
2 × 2 × 3 × 7 × 250057
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10502394
Product of the distinct prime numbers
The prime factorization of 21004788 is 2 × 2 × 3 × 7 × 250057.
Since it has a total of 5 prime factors.
1 , 1 , 3 , 100 , 122 , 461 , 4297 , 1173 , 31802 , 28875 , 75683 , 602709 , 2966589 , 1832278 , 11454054 , 87349057 , 412502414 , 870190921 , 2954901294 , 5457249732
n×2
42009576
n×3
63014364
n×4
84019152
n×5
105023940
n÷2
10502394
n÷3
7001596
n÷3
5251197
n÷5
4200957.6
n2
441201118924944
n3
9.2673359683812E+21
n4
1.9465842734062E+29
n5
4.0887589987032E+36
2 √n
4583.0980788109
3 √n
275.9133838685
4 √n
67.698582546541
5 √n
29.138263108823
1 , 2 , 3 , 4 , 6 , 7 , 12 , 14 , 21 , 28 , 42 , 84 , 250057 , 500114 , 750171 , 1000228 , 1500342 , 1750399 , 3000684 , 3500798 , 5251197 , 7001596 , 10502394 , 21004788
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
-21004787
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 21004788 can be divided by 24 positive divisors.
The sum of these divisors (counting 21004788) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000001000000111110100
3
Ternary
1110112011011010
4
Quaternary
1100020013310
5
Quinary
20334123123
6
Senary
2030112220
8
Octal
120100764
10
Decimal
21004788
12
Duodecimal
704b670
16
Hexadecimal
14081f4
20
Vigesimal
6b5bj8
36
Base36
ci7ec
md5
96ded196ee53eaaaee414997801d6194
sha1
b559afe0033e60b7ddee37e41bc8a664f851ff64
sha256
4b6f0b9134e260c5b4693d5c44010c8cd81f6407b021d10be199b28205b8c881
sha512
d34699b132e6d767faec86376e0807b5c24c7c0c27a1cb6ae410c4766e93d39d79c568115789a38af9a119645716ff6abae3070a47bb10df23ff3ab76de7369a
ripemd-160
db857fe6b647b3d8eee2ea29000ad8b4eede4b46
Diameter
42009576
Circumference
131976975.34202
Area
1.3860741939702E+15
Volume
3.881892612882E+22
Surface area
5.5442967758808E+15
Circumference
131976975.34202
Perimeter
84019152
Area
441201118924944
Diagonal
29705256.064372
Surface area
2647206713549664
Volume
9.2673359683812E+21
Space diagonal
36381360.018213
Perimeter
63014364
Area
1.9104568858356E+14
Altitude
18190680.009107
Surface area
1.9104568858356E+14
Volume
1.0921660177961E+21
Height
9901752.0214572