18442918 is an even 8-digits composite number following 18442917
and preceding 18442919 . In scientific notation, it is written as 1.8442918 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 8141760 positive integers (up to 18442918) that are relatively prime to 18442918.
18442918 has 16 divisors, whose sum is 31088736
The reverse of 18442918 is 81924481
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighteen million four hundred forty-two thousand nine hundred eighteen
Scientific notation
1.8442918 × 10^7
Engineering notation
1.8442918 × 10^6
Prime Factorization
2 × 13 × 23 × 30841
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18442918
Product of the distinct prime numbers
The prime factorization of 18442918 is 2 × 13 × 23 × 30841.
Since it has a total of 4 prime factors.
8 , 6 , 36 , 99 , 642 , 764 , 332 , 9827 , 80332 , 1094 , 577475 , 718862 , 4090433 , 4216494 , 74856620 , 96056982 , 636591559 , 641304057 , 767042285 , 7959590067
n×2
36885836
n×3
55328754
n×4
73771672
n×5
92214590
n÷2
9221459
n÷3
6147639.3333333
n÷3
4610729.5
n÷5
3688583.6
n2
340141224354724
n3
6.2731967091938E+21
n4
1.1569605250553E+29
n5
2.1337728092832E+36
2 √n
4294.5218592994
3 √n
264.20632592721
4 √n
65.532601499554
5 √n
28.390034942998
1 , 2 , 13 , 23 , 26 , 46 , 299 , 598 , 30841 , 61682 , 400933 , 709343 , 801866 , 1418686 , 9221459 , 18442918
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
-18442917
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 18442918 can be divided by 16 positive divisors.
The sum of these divisors (counting 18442918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110010110101010100110
3
Ternary
1021200222221001
4
Quaternary
1012112222212
5
Quinary
14210133133
6
Senary
1455143514
8
Octal
106265246
10
Decimal
18442918
12
Duodecimal
6214b9a
16
Hexadecimal
1196aa6
20
Vigesimal
5f575i
36
Base36
azana
md5
43713cde77c2ac593b0ff543623f433c
sha1
eba67394ee619abde6decb76837dff6de5f9ace1
sha256
ade5f0b720624dbb37dfa1dee19f2ffacecfdf611cede61d772ef4e2d10a6787
sha512
09be24a392a67ecc08c84a355500efb00fabd55c22ad9a24d9de0a6700e3442c8194c997bb6b0a3fdca3229f75386494840f018ca6472ef3cc1ae244e801a2b0
ripemd-160
b336cb9080d8940989574399e06463361a5a0340
Diameter
36885836
Circumference
115880271.39912
Area
1.0685851716158E+15
Volume
2.6277104928169E+22
Surface area
4.2743406864634E+15
Circumference
115880271.39912
Perimeter
73771672
Area
340141224354724
Diagonal
26082224.765335
Surface area
2040847346128344
Volume
6.2731967091938E+21
Space diagonal
31944071.015827
Perimeter
55328754
Area
1.4728547058277E+14
Altitude
15972035.507913
Surface area
1.4728547058277E+14
Volume
7.3930332213134E+20
Height
8694074.9217783