18742541 is an odd 8-digits prime number following 18742540
and preceding 18742542 . In scientific notation, it is written as 1.8742541 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 18742540 positive integers (up to 18742541) that are relatively prime to 18742541.
18742541 has 2 divisors, whose sum is 18742542
The reverse of 18742541 is 14524781
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighteen million seven hundred forty-two thousand five hundred forty-one
Scientific notation
1.8742541 × 10^7
Engineering notation
1.8742541 × 10^6
Prime Factorization
18742541
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18742541
Product of the distinct prime numbers
The prime factorization of 18742541 is 18742541.
Since it has a total of 1 prime factors.
3 , 2 , 68 , 66 , 31 , 846 , 8867 , 5221 , 59148 , 11767 , 917379 , 855439 , 3852679 , 122118 , 18775375 , 4833155 , 548826377 , 319222125 , 6087343213 , 9790114315
n×2
37485082
n×3
56227623
n×4
74970164
n×5
93712705
n÷2
9371270.5
n÷3
6247513.6666667
n÷3
4685635.25
n÷5
3748508.2
n2
351282843136681
n3
6.5839330900858E+21
n4
1.2339963588219E+29
n5
2.312822734907E+36
2 √n
4329.2656421153
3 √n
265.62940931089
4 √n
65.79715527373
5 √n
28.481685981486
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18742542
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9371271
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4329.2657576083
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998932909
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18742541 can be divided by 2 positive divisors.
The sum of these divisors (counting 18742541) is 18742542, the average is 9371271.
Base
System
Value
2
Binary
1000111011111110100001101
3
Ternary
1022021012221012
4
Quaternary
1013133310031
5
Quinary
14244230131
6
Senary
1505415005
8
Octal
107376415
10
Decimal
18742541
12
Duodecimal
633a465
16
Hexadecimal
11dfd0d
20
Vigesimal
5h2g71
36
Base36
b5pu5
md5
33c48b111edefd9392adfa0af63cab3f
sha1
7714bd0d7b3c7fa2816effbdb5df12b365897bce
sha256
3202835ffa20741bc1c741e026ca6632d3fcba855f4b35e92d0d72d6e5f833d2
sha512
fbcf12b2a67a6410be8db6088aa2c75fb911deefd417f832c569df4f6d34a137264ca3d7ea99e3a58ea679ba2ea1670ea9bd0c745c0334d3591d1dc21d00ab17
ripemd-160
ce32b571f33d2fa3ffaf574b8184c23c4a460475
Diameter
37485082
Circumference
117762858.23041
Area
1.1035875993303E+15
Volume
2.757871443672E+22
Surface area
4.4143503973213E+15
Circumference
117762858.23041
Perimeter
74970164
Area
351282843136681
Diagonal
26505955.675534
Surface area
2107697058820086
Volume
6.5839330900858E+21
Space diagonal
32463033.274943
Perimeter
56227623
Area
1.5210993303499E+14
Altitude
16231516.637471
Surface area
1.5210993303499E+14
Volume
7.7592395581303E+20
Height
8835318.5585113