21004886 is an even 8-digits composite number following 21004885
and preceding 21004887 . In scientific notation, it is written as 2.1004886 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 9002088 positive integers (up to 21004886) that are relatively prime to 21004886.
21004886 has 8 divisors, whose sum is 36008400
The reverse of 21004886 is 68840012
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million four thousand eight hundred eighty-six
Scientific notation
2.1004886 × 10^7
Engineering notation
2.1004886 × 10^6
Prime Factorization
2 × 7 × 1500349
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21004886
Product of the distinct prime numbers
The prime factorization of 21004886 is 2 × 7 × 1500349.
Since it has a total of 3 prime factors.
9 , 2 , 57 , 65 , 723 , 898 , 4049 , 6584 , 2847 , 42768 , 507714 , 510164 , 2609058 , 5644803 , 24990959 , 34039680 , 710596419 , 5874684 , 4862568030 , 618828911
n×2
42009772
n×3
63014658
n×4
84019544
n×5
105024430
n÷2
10502443
n÷3
7001628.6666667
n÷3
5251221.5
n÷5
4200977.2
n2
441205235872996
n3
9.2674656821154E+21
n4
1.9466206016175E+29
n5
4.0888543822226E+36
2 √n
4583.1087702563
3 √n
275.91381296859
4 √n
67.698661510079
5 √n
29.138290298286
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21004885
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21004886 can be divided by 8 positive divisors.
The sum of these divisors (counting 21004886) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001000001001010110
3
Ternary
1110112011021202
4
Quaternary
1100020021112
5
Quinary
20334124021
6
Senary
2030112502
8
Octal
120101126
10
Decimal
21004886
12
Duodecimal
704b732
16
Hexadecimal
1408256
20
Vigesimal
6b5c46
36
Base36
ci7h2
md5
a78574fe5bb95d561c714a22e4449f24
sha1
1db600854236965efa45b6db400e2b8f139e3af6
sha256
721e5865e1acc212404c6b7c597e9f0b37c64861dff47e75c3531a842e451806
sha512
3e7598c08d48fd767c25a31a0b231501c9b5160410cf4fc101c04f026cd193e4b7053119952a87d98fcee150c171bc7ba051fda72324c1523c0063aaf09c83a2
ripemd-160
8e7fa1f3220a631318afcae778596fb23d04128f
Diameter
42009772
Circumference
131977591.09418
Area
1.386087127744E+15
Volume
3.8819469472439E+22
Surface area
5.5443485109758E+15
Circumference
131977591.09418
Perimeter
84019544
Area
441205235872996
Diagonal
29705394.657301
Surface area
2647231415237976
Volume
9.2674656821154E+21
Space diagonal
36381529.759192
Perimeter
63014658
Area
1.9104747127436E+14
Altitude
18190764.879596
Surface area
1.9104747127436E+14
Volume
1.0921813047062E+21
Height
9901798.2191003