21018043 is an odd 8-digits prime number following 21018042
and preceding 21018044 . In scientific notation, it is written as 2.1018043 × 10^7.
The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors.
There are 21018042 positive integers (up to 21018043) that are relatively prime to 21018043.
21018043 has 2 divisors, whose sum is 21018044
The reverse of 21018043 is 34081012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million eighteen thousand forty-three
Scientific notation
2.1018043 × 10^7
Engineering notation
2.1018043 × 10^6
Prime Factorization
21018043
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21018043
Product of the distinct prime numbers
The prime factorization of 21018043 is 21018043.
Since it has a total of 1 prime factors.
7 , 8 , 8 , 61 , 871 , 593 , 3800 , 8680 , 79067 , 41494 , 703495 , 928456 , 8672324 , 8100723 , 95489467 , 39399085 , 256231226 , 929209696 , 5937212734 , 6725959637
n×2
42036086
n×3
63054129
n×4
84072172
n×5
105090215
n÷2
10509021.5
n÷3
7006014.3333333
n÷3
5254510.75
n÷5
4203608.6
n2
441758131549849
n3
9.2848914045144E+21
n4
1.9515024679041E+29
n5
4.1016762785015E+36
2 √n
4584.5439249723
3 √n
275.97140973191
4 √n
67.709260260117
5 √n
29.141939701259
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21018044
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10509022
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4584.5440340344
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999048437
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21018043 can be divided by 2 positive divisors.
The sum of these divisors (counting 21018043) is 21018044, the average is 10509022.
Base
System
Value
2
Binary
1010000001011010110111011
3
Ternary
1110112211100001
4
Quaternary
1100023112323
5
Quinary
20340034133
6
Senary
2030253431
8
Octal
120132673
10
Decimal
21018043
12
Duodecimal
7057277
16
Hexadecimal
140b5bb
20
Vigesimal
6b7523
36
Base36
cihmj
md5
ba5e2d4236ef56fa3029e74e0e257b07
sha1
dd56b97cc86925ebe04cbbb1e9803ce533e2521e
sha256
1819e604a74bfdb5605078631288a6f1b35a6d192cb70f2481f8bd387116475f
sha512
0bb4ad4ff664e85b1b1712505b5ae21e921a0d85a6c905b919ecece7c18243f4b2ac0add100785fec59678923a6402f2a89a9c59e1a3b75fcdce52545eeda243
ripemd-160
e0520fb55720efc3dad7ba3c487d188f81e9a45a
Diameter
42036086
Circumference
132060258.96327
Area
1.3878241007406E+15
Volume
3.8892462167735E+22
Surface area
5.5512964029622E+15
Circumference
132060258.96327
Perimeter
84072172
Area
441758131549849
Diagonal
29724001.465141
Surface area
2650548789299094
Volume
9.2848914045144E+21
Space diagonal
36404318.351667
Perimeter
63054129
Area
1.9128688212526E+14
Altitude
18202159.175834
Surface area
1.9128688212526E+14
Volume
1.0942349457855E+21
Height
9908000.4883803