18741021 is an odd 8-digits composite number following 18741020
and preceding 18741022 . In scientific notation, it is written as 1.8741021 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 10374144 positive integers (up to 18741021) that are relatively prime to 18741021.
18741021 has 16 divisors, whose sum is 21254400
The reverse of 18741021 is 12014781
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighteen million seven hundred forty-one thousand twenty-one
Scientific notation
1.8741021 × 10^7
Engineering notation
1.8741021 × 10^6
Prime Factorization
39 × 17 × 23 × 1229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18741021
Product of the distinct prime numbers
The prime factorization of 18741021 is 39 × 17 × 23 × 1229.
Since it has a total of 4 prime factors.
5 , 6 , 72 , 16 , 961 , 870 , 6769 , 5581 , 46245 , 84310 , 947789 , 755098 , 290684 , 8028809 , 3098015 , 9511501 , 894231161 , 555445798 , 6902574064 , 6741977605
n×2
37482042
n×3
56223063
n×4
74964084
n×5
93705105
n÷2
9370510.5
n÷3
6247007
n÷3
4685255.25
n÷5
3748204.2
n2
351225868122441
n3
6.5823313702259E+21
n4
1.2335961043836E+29
n5
2.3118850497772E+36
2 √n
4329.0900891527
3 √n
265.62222836324
4 √n
65.795821213453
5 √n
28.481223999654
1 , 17 , 23 , 39 , 391 , 663 , 897 , 1229 , 15249 , 20893 , 28267 , 47931 , 480539 , 814827 , 1102413 , 18741021
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
-18741020
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 18741021 can be divided by 16 positive divisors.
The sum of these divisors (counting 18741021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000111011111011100011101
3
Ternary
1022021010211220
4
Quaternary
1013133130131
5
Quinary
14244203041
6
Senary
1505403553
8
Octal
107373435
10
Decimal
18741021
12
Duodecimal
63395b9
16
Hexadecimal
11df71d
20
Vigesimal
5h2cb1
36
Base36
b5onx
md5
22e70226628d432b65f71d7a88a46ebe
sha1
f28152cc74a6476d06011c3242160ddf627a5c15
sha256
2263aa5436c848e912718c623ff672080318ad33b8d616c8c1a4976e45d3cf58
sha512
035f8fb5b2ee84ea7675a5c967504cfbf94cd7fb4008f1b8e744e5a515933f919c77d66fa082307f1d978942ce28d0667f201b87aba901004b927a78497daadf
ripemd-160
06c677e0ef10a75aaeda864de2b5b6c7cafa6561
Diameter
37482042
Circumference
117753307.78874
Area
1.1034086070442E+15
Volume
2.757200516826E+22
Surface area
4.4136344281766E+15
Circumference
117753307.78874
Perimeter
74964084
Area
351225868122441
Diagonal
26503806.070919
Surface area
2107355208734646
Volume
6.5823313702259E+21
Space diagonal
32460400.557715
Perimeter
56223063
Area
1.5208526213014E+14
Altitude
16230200.278858
Surface area
1.5208526213014E+14
Volume
7.7573519131728E+20
Height
8834602.0236397