18396978 is an even 8-digits composite number following 18396977
and preceding 18396979 . In scientific notation, it is written as 1.8396978 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 5809536 positive integers (up to 18396978) that are relatively prime to 18396978.
18396978 has 16 divisors, whose sum is 38730720
The reverse of 18396978 is 87969381
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
eighteen million three hundred ninety-six thousand nine hundred seventy-eight
Scientific notation
1.8396978 × 10^7
Engineering notation
1.8396978 × 10^6
Prime Factorization
2 × 3 × 19 × 161377
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18396978
Product of the distinct prime numbers
The prime factorization of 18396978 is 2 × 3 × 19 × 161377.
Since it has a total of 4 prime factors.
6 , 2 , 77 , 25 , 927 , 288 , 6583 , 7536 , 87876 , 66125 , 642040 , 609081 , 1802900 , 4213257 , 17511781 , 18025680 , 377694426 , 965217602 , 9029623404 , 8502978016
n×2
36793956
n×3
55190934
n×4
73587912
n×5
91984890
n÷2
9198489
n÷3
6132326
n÷3
4599244.5
n÷5
3679395.6
n2
338448799532484
n3
6.2264351191255E+21
n4
1.1454758990498E+29
n5
2.1073294914349E+36
2 √n
4289.1698497495
3 √n
263.98677045735
4 √n
65.49175405919
5 √n
28.375877317216
1 , 2 , 3 , 6 , 19 , 38 , 57 , 114 , 161377 , 322754 , 484131 , 968262 , 3066163 , 6132326 , 9198489 , 18396978
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
-18396977
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 18396978 can be divided by 16 positive divisors.
The sum of these divisors (counting 18396978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110001011011100110010
3
Ternary
1021121122220120
4
Quaternary
1012023130302
5
Quinary
14202200403
6
Senary
1454151110
8
Octal
106133462
10
Decimal
18396978
12
Duodecimal
61b2496
16
Hexadecimal
118b732
20
Vigesimal
5ejc8i
36
Base36
ayb76
md5
f110a64ce5febe26f6f14d871a6395b9
sha1
d6972cd90f094ba87b8b4001b3d377c42f1e11a7
sha256
efabd14334f098baae6009c2c6a8865ad77bf6b7216e7070e5af349cc72f03a3
sha512
7abaaf14504152697265208376d782de1e9b0590ba93295d8ea959ec6dc94b842be6d4b0ae80675363700d5135e5ed968299c5d6224e753175bf4dcb1101689d
ripemd-160
318f6e09ed85da65fe005d2c96d2c0f892e466fd
Diameter
36793956
Circumference
115591621.86611
Area
1.0632682622275E+15
Volume
2.6081230437731E+22
Surface area
4.2530730489101E+15
Circumference
115591621.86611
Perimeter
73587912
Area
338448799532484
Diagonal
26017255.794279
Surface area
2030692797194904
Volume
6.2264351191255E+21
Space diagonal
31864500.601727
Perimeter
55190934
Area
1.4655262913774E+14
Altitude
15932250.300863
Surface area
1.4655262913774E+14
Volume
7.3379241589195E+20
Height
8672418.5980932