18378038 is an even 8-digits composite number following 18378037
and preceding 18378039 . In scientific notation, it is written as 1.8378038 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 7876260 positive integers (up to 18378038) that are relatively prime to 18378038.
18378038 has 8 divisors, whose sum is 28129800
The reverse of 18378038 is 83087381
Previous prime number is 49
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million three hundred seventy-eight thousand thirty-eight
Scientific notation
1.8378038 × 10^7
Engineering notation
1.8378038 × 10^6
Prime Factorization
2 × 49 × 187531
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18378038
Product of the distinct prime numbers
The prime factorization of 18378038 is 2 × 49 × 187531.
Since it has a total of 3 prime factors.
6 , 5 , 76 , 68 , 376 , 460 , 6403 , 221 , 24239 , 98915 , 660750 , 116958 , 1295349 , 530843 , 54218726 , 30260597 , 456546615 , 922574274 , 7020970951 , 9168487605
n×2
36756076
n×3
55134114
n×4
73512152
n×5
91890190
n÷2
9189019
n÷3
6126012.6666667
n÷3
4594509.5
n÷5
3675607.6
n2
337752280729444
n3
6.2072242498324E+21
n4
1.1407660313794E+29
n5
2.09650414738E+36
2 √n
4286.961394741
3 √n
263.89614640223
4 √n
65.474891330502
5 √n
28.370032220546
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18378037
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18378038 can be divided by 8 positive divisors.
The sum of these divisors (counting 18378038) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000110000110110100110110
3
Ternary
1021120200221002
4
Quaternary
1012012310312
5
Quinary
14201044123
6
Senary
1453523302
8
Octal
106066466
10
Decimal
18378038
12
Duodecimal
61a3532
16
Hexadecimal
1186d36
20
Vigesimal
5eh51i
36
Base36
axwl2
md5
e68326b33015b7246f355e12828239af
sha1
d9e06d64552f0f603fe58bc9b3a02fd21c60a868
sha256
b6c190156d06160595e5d7083ca3c07768aa18b712681360c460b83cb53587f5
sha512
deb82c5e4c82ec2b020219573bc8c510297ce808aac554d7f4c6d66a2c256817626243f2eeaab88b93759759a9c0e19b83bdc78a3e4aff218f51634db6dc6eff
ripemd-160
7d6e7e11aede91c2e4dab6975ffe9bea8460dfee
Diameter
36756076
Circumference
115472618.33639
Area
1.0610800838728E+15
Volume
2.600076013661E+22
Surface area
4.2443203354913E+15
Circumference
115472618.33639
Perimeter
73512152
Area
337752280729444
Diagonal
25990470.589408
Surface area
2026513684376664
Volume
6.2072242498324E+21
Space diagonal
31831695.559432
Perimeter
55134114
Area
1.4625102764892E+14
Altitude
15915847.779716
Surface area
1.4625102764892E+14
Volume
7.3152839323368E+20
Height
8663490.1964694