18442690 is an even 8-digits composite number following 18442689
and preceding 18442691 . In scientific notation, it is written as 1.8442690 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors.
There are 6298560 positive integers (up to 18442690) that are relatively prime to 18442690.
18442690 has 32 divisors, whose sum is 38087424
The reverse of 18442690 is 09624481
Previous prime number is 541
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighteen million four hundred forty-two thousand six hundred ninety
Scientific notation
1.8442690 × 10^7
Engineering notation
1.8442690 × 10^6
Prime Factorization
2 × 7 × 5 × 541 × 487
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18442690
Product of the distinct prime numbers
The prime factorization of 18442690 is 2 × 7 × 5 × 541 × 487.
Since it has a total of 5 prime factors.
8 , 3 , 5 , 30 , 269 , 317 , 4000 , 383 , 69114 , 9037 , 191060 , 514407 , 3348808 , 5498491 , 62952944 , 85487989 , 685608042 , 921656017 , 1929508186 , 1621377021
n×2
36885380
n×3
55328070
n×4
73770760
n×5
92213450
n÷2
9221345
n÷3
6147563.3333333
n÷3
4610672.5
n÷5
3688538
n2
340132814436100
n3
6.2729640554725E+21
n4
1.1569033145622E+29
n5
2.1336409190444E+36
2 √n
4294.4953137709
3 √n
264.20523717523
4 √n
65.532398962428
5 √n
28.389964748466
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 487 , 541 , 974 , 1082 , 2435 , 2705 , 3409 , 3787 , 4870 , 5410 , 6818 , 7574 , 17045 , 18935 , 34090 , 37870 , 263467 , 526934 , 1317335 , 1844269 , 2634670 , 3688538 , 9221345 , 18442690
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18442689
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18442690 can be divided by 32 positive divisors.
The sum of these divisors (counting 18442690) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000110010110100111000010
3
Ternary
1021200222121121
4
Quaternary
1012112213002
5
Quinary
14210131230
6
Senary
1455142454
8
Octal
106264702
10
Decimal
18442690
12
Duodecimal
6214a2a
16
Hexadecimal
11969c2
20
Vigesimal
5f56ea
36
Base36
azagy
md5
b432eaf168e623c971e906559f94c521
sha1
0018ca3fe835ea06dd57b01446ca78893189b622
sha256
04e18bbd28769ae2543eb28bd3201d16f0619a88c08cca68ae547ee3ca79c3ec
sha512
4cc09211ac85fcf1bdcc96878bea5ee704e7924935ded28800791525401a562531ba0891e7c81a011124155c35b03e399d66abf3cc63aeef92b620f47f2f0c02
ripemd-160
c2695af832435fdcd86e0af8144ae69f2ee50025
Diameter
36885380
Circumference
115878838.83287
Area
1.0685587510773E+15
Volume
2.627613039054E+22
Surface area
4.2742350043091E+15
Circumference
115878838.83287
Perimeter
73770760
Area
340132814436100
Diagonal
26081902.324643
Surface area
2040796886616600
Volume
6.2729640554725E+21
Space diagonal
31943676.108242
Perimeter
55328070
Area
1.4728182898118E+14
Altitude
15971838.054121
Surface area
1.4728182898118E+14
Volume
7.3927590362735E+20
Height
8693967.4415476