21000618 is an even 8-digits composite number following 21000617
and preceding 21000619 . In scientific notation, it is written as 2.1000618 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 6921024 positive integers (up to 21000618) that are relatively prime to 21000618.
21000618 has 16 divisors, whose sum is 35397000
The reverse of 21000618 is 81600012
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million six hundred eighteen
Scientific notation
2.1000618 × 10^7
Engineering notation
2.1000618 × 10^6
Prime Factorization
2 × 9 × 89 × 13109
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21000618
Product of the distinct prime numbers
The prime factorization of 21000618 is 2 × 9 × 89 × 13109.
Since it has a total of 4 prime factors.
10 , 6 , 16 , 77 , 174 , 276 , 7294 , 1676 , 96385 , 62289 , 551316 , 301651 , 6491071 , 650042 , 14430688 , 66221225 , 802354390 , 950389121 , 7489944286 , 3661781499
n×2
42001236
n×3
63001854
n×4
84002472
n×5
105003090
n÷2
10500309
n÷3
7000206
n÷3
5250154.5
n÷5
4200123.6
n2
441025956381924
n3
9.2618176380614E+21
n4
1.9450389420259E+29
n5
4.084701981661E+36
2 √n
4582.6431237878
3 √n
275.8951239848
4 √n
67.695222311385
5 √n
29.137106075415
1 , 2 , 9 , 18 , 89 , 178 , 801 , 1602 , 13109 , 26218 , 117981 , 235962 , 1166701 , 2333402 , 10500309 , 21000618
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000617
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000618 can be divided by 16 positive divisors.
The sum of these divisors (counting 21000618) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000111000110101010
3
Ternary
1110111221102200
4
Quaternary
1100013012222
5
Quinary
20334004433
6
Senary
2030041030
8
Octal
120070652
10
Decimal
21000618
12
Duodecimal
7049176
16
Hexadecimal
14071aa
20
Vigesimal
6b51ai
36
Base36
ci46i
md5
2c4deda4abccf0341e01be3e6a2a8b6f
sha1
4bada8536df450394fb2909e3d35d6ccad4e8aae
sha256
bf380a8af5144aa1851975eb1b062e3e5265889680249b3572a70759c560955f
sha512
9bd8f60ca3a16286ebbf55b004a61c44d702c8acd29efa40ee6064c49ce591f9a6b1cc6bd4b07384d702daf4af3887818b82ffadd58a058852d28fddb89392da
ripemd-160
46ae84dd06347b6038317eb0e3d7e8b8e9a5cc32
Diameter
42001236
Circumference
131950774.45929
Area
1.3855239046119E+15
Volume
3.879581100083E+22
Surface area
5.5420956184475E+15
Circumference
131950774.45929
Perimeter
84002472
Area
441025956381924
Diagonal
29699358.793817
Surface area
2646155738291544
Volume
9.2618176380614E+21
Space diagonal
36374137.366345
Perimeter
63001854
Area
1.9096984097754E+14
Altitude
18187068.683173
Surface area
1.9096984097754E+14
Volume
1.0915156763311E+21
Height
9899786.2646055