18421738 is an even 8-digits composite number following 18421737
and preceding 18421739 . In scientific notation, it is written as 1.8421738 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 9210868 positive integers (up to 18421738) that are relatively prime to 18421738.
18421738 has 4 divisors, whose sum is 27632610
The reverse of 18421738 is 83712481
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighteen million four hundred twenty-one thousand seven hundred thirty-eight
Scientific notation
1.8421738 × 10^7
Engineering notation
1.8421738 × 10^6
Prime Factorization
2 × 9210869
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18421738
Product of the distinct prime numbers
The prime factorization of 18421738 is 2 × 9210869.
Since it has a total of 2 prime factors.
3 , 3 , 90 , 11 , 150 , 225 , 1939 , 4086 , 34605 , 56704 , 81373 , 216129 , 4410530 , 6506081 , 26465566 , 12152506 , 795733897 , 402400363 , 8648091281 , 3851861043
n×2
36843476
n×3
55265214
n×4
73686952
n×5
92108690
n÷2
9210869
n÷3
6140579.3333333
n÷3
4605434.5
n÷5
3684347.6
n2
339360430940644
n3
6.2516089463556E+21
n4
1.1516550208822E+29
n5
2.1215487061076E+36
2 √n
4292.0552186569
3 √n
264.10514827422
4 √n
65.513778845804
5 √n
28.383511275255
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18421737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18421738 can be divided by 4 positive divisors.
The sum of these divisors (counting 18421738) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110010001011111101010
3
Ternary
1021122220212121
4
Quaternary
1012101133222
5
Quinary
14203443423
6
Senary
1454501454
8
Octal
106213752
10
Decimal
18421738
12
Duodecimal
620488a
16
Hexadecimal
11917ea
20
Vigesimal
5f2e6i
36
Base36
ayuay
md5
8a302c70f7f8491acb126e3ce6468384
sha1
dc1c59a7d77f27bde55c5ffa596b9477f19f6a6b
sha256
71e1c29f66640c750aa3b34ebbd5c69dd9b01bb682b62ca6bd10f8d390ca213e
sha512
82d4b11e9b1156c26aef3213f43ae74adc4098a89d0610bf4567e6fbdd0f21c8cfe0fabd0011f39669fbf07736d5145d160b69eeb9a9cdbaf59b2fa5bdb616ad
ripemd-160
a18383d121acd5498aa7721cb5b5a843e68faab7
Diameter
36843476
Circumference
115747193.53431
Area
1.0661322367622E+15
Volume
2.6186678318649E+22
Surface area
4.2645289470488E+15
Circumference
115747193.53431
Perimeter
73686952
Area
339360430940644
Diagonal
26052271.722084
Surface area
2036162585643864
Volume
6.2516089463556E+21
Space diagonal
31907386.179722
Perimeter
55265214
Area
1.4694737711692E+14
Altitude
15953693.089861
Surface area
1.4694737711692E+14
Volume
7.3675917988243E+20
Height
8684090.5740279