18444980 is an even 8-digits composite number following 18444979
and preceding 18444981 . In scientific notation, it is written as 1.8444980 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 7309440 positive integers (up to 18444980) that are relatively prime to 18444980.
18444980 has 24 divisors, whose sum is 39094440
The reverse of 18444980 is 08944481
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million four hundred forty-four thousand nine hundred eighty
Scientific notation
1.8444980 × 10^7
Engineering notation
1.8444980 × 10^6
Prime Factorization
2 × 2 × 5 × 109 × 8461
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9222490
Product of the distinct prime numbers
The prime factorization of 18444980 is 2 × 2 × 5 × 109 × 8461.
Since it has a total of 5 prime factors.
8 , 4 , 78 , 79 , 387 , 786 , 6768 , 1887 , 65940 , 30530 , 313694 , 384283 , 7184093 , 3488640 , 3800032 , 24242259 , 795901042 , 993247066 , 9980879006 , 4917915931
n×2
36889960
n×3
55334940
n×4
73779920
n×5
92224900
n÷2
9222490
n÷3
6148326.6666667
n÷3
4611245
n÷5
3688996
n2
340217287200400
n3
6.2753010580656E+21
n4
1.1574780251E+29
n5
2.1349659023409E+36
2 √n
4294.7619258813
3 √n
264.21617203981
4 √n
65.534433131609
5 √n
28.390669740964
1 , 2 , 4 , 5 , 10 , 20 , 109 , 218 , 436 , 545 , 1090 , 2180 , 8461 , 16922 , 33844 , 42305 , 84610 , 169220 , 922249 , 1844498 , 3688996 , 4611245 , 9222490 , 18444980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18444979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18444980 can be divided by 24 positive divisors.
The sum of these divisors (counting 18444980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000110010111001010110100
3
Ternary
1021201002202102
4
Quaternary
1012113022310
5
Quinary
14210214410
6
Senary
1455201232
8
Octal
106271264
10
Decimal
18444980
12
Duodecimal
6216218
16
Hexadecimal
11972b4
20
Vigesimal
5f5c90
36
Base36
azc8k
md5
c6cbe316fe321b84c445f2c3c52a1030
sha1
01da66b4eb5cffac79f9d1a70b966ad094a236ab
sha256
5023b86e3bc62673ff37c2cab934a3daac2c8950af2e14e4cde912c02b7d355a
sha512
7d71f38379c7d58b76d93ab9173ee124ca26349aa6b4805377d09733bcafd2f2f1990dc2bd187854838b7faa78aa728cf2da5503a02762b12082e9e91c762bf5
ripemd-160
cbbf5486e894b659b04809b6974e790f5e1c7842
Diameter
36889960
Circumference
115893227.32722
Area
1.068824130093E+15
Volume
2.6285919604111E+22
Surface area
4.2752965203721E+15
Circumference
115893227.32722
Perimeter
73779920
Area
340217287200400
Diagonal
26085140.8737
Surface area
2041303723202400
Volume
6.2753010580656E+21
Space diagonal
31947642.504592
Perimeter
55334940
Area
1.4731840676109E+14
Altitude
15973821.252296
Surface area
1.4731840676109E+14
Volume
7.3955132202422E+20
Height
8695046.9579002