18928081 is an odd 8-digits composite number following 18928080
and preceding 18928082 . In scientific notation, it is written as 1.8928081 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 18896292 positive integers (up to 18928081) that are relatively prime to 18928081.
18928081 has 4 divisors, whose sum is 18959872
The reverse of 18928081 is 18082981
Previous prime number is 607
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighteen million nine hundred twenty-eight thousand eighty-one
Scientific notation
1.8928081 × 10^7
Engineering notation
1.8928081 × 10^6
Prime Factorization
607 × 31183
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18928081
Product of the distinct prime numbers
The prime factorization of 18928081 is 607 × 31183.
Since it has a total of 2 prime factors.
1 , 5 , 52 , 89 , 823 , 538 , 8819 , 6058 , 63981 , 3336 , 127576 , 614019 , 4684713 , 9828883 , 59876778 , 50643983 , 3980842 , 979276913 , 3527525697 , 5799644478
n×2
37856162
n×3
56784243
n×4
75712324
n×5
94640405
n÷2
9464040.5
n÷3
6309360.3333333
n÷3
4732020.25
n÷5
3785616.2
n2
358272250342561
n3
6.7814061745363E+21
n4
1.2835900536552E+29
n5
2.429589650638E+36
2 √n
4350.6414469593
3 √n
266.50305710547
4 √n
65.959392408961
5 √n
28.53785435397
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18928080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18928081 can be divided by 4 positive divisors.
The sum of these divisors (counting 18928081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000001101000111010001
3
Ternary
1022121122110001
4
Quaternary
1020031013101
5
Quinary
14321144311
6
Senary
1513410001
8
Octal
110150721
10
Decimal
18928081
12
Duodecimal
6409901
16
Hexadecimal
120d1d1
20
Vigesimal
5i6041
36
Base36
b9p01
md5
6781a7d899e2ca03a3a17420e523078c
sha1
e58abf39f9824028a604d9f84bd5922e9cdfe350
sha256
f87435e483805f6883cec939cb5161d016ad45ea6c8af2b4b669dda683b84a7c
sha512
155bcab891c42d4633ad841bb854cb10b6c04762778a1451c13213ecdcdce129bd79d60d6470e34de78d4b7e484b99fb0347b81f4cfa5cb01c1439c958715963
ripemd-160
3d7de22cc9f97a338fcaec4e2c89dd194295458b
Diameter
37856162
Circumference
118928640.43231
Area
1.1255454696613E+15
Volume
2.8405887758575E+22
Surface area
4.5021818786451E+15
Circumference
118928640.43231
Perimeter
75712324
Area
358272250342561
Diagonal
26768348.859896
Surface area
2149633502055366
Volume
6.7814061745363E+21
Space diagonal
32784397.981779
Perimeter
56784243
Area
1.5513643513384E+14
Altitude
16392198.99089
Surface area
1.5513643513384E+14
Volume
7.9919638199915E+20
Height
8922782.9532988