1816978049 is an odd 10-digits composite number following 1816978048
and preceding 1816978050 . In scientific notation, it is written as 1.816978049 × 10^9.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 1816521264 positive integers (up to 1816978049) that are relatively prime to 1816978049.
1816978049 has 4 divisors, whose sum is 1817434836
The reverse of 1816978049 is 9408796181
Previous prime number is 452773
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 53
Digital Root 8
Name
one billion eight hundred sixteen million nine hundred seventy-eight thousand forty-nine
Scientific notation
1.816978049 × 10^9
Engineering notation
1.816978049 × 10^9
Prime Factorization
452773 × 4013
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1816978049
Product of the distinct prime numbers
The prime factorization of 1816978049 is 452773 × 4013.
Since it has a total of 2 prime factors.
9 , 5 , 26 , 11 , 136 , 191 , 3990 , 3944 , 80430 , 85180 , 330942 , 465123 , 1161626 , 9987684 , 43404098 , 4169016 , 917430028 , 144586190 , 1931173699 , 7138799387
n×2
3633956098
n×3
5450934147
n×4
7267912196
n×5
9084890245
n÷2
908489024.5
n÷3
605659349.66667
n÷3
454244512.25
n÷5
363395609.8
n2
3301409230547846401
n3
5.9985881026714E+27
n4
1.0899302907547E+37
n5
1.9803794132414E+46
2 √n
42626.02548913
3 √n
1220.2530266643
4 √n
206.4607117326
5 √n
71.10005490826
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
-1816978048
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 1816978049 can be divided by 4 positive divisors.
The sum of these divisors (counting 1816978049) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100010011001110001010000001
3
Ternary
11200121222001022022
4
Quaternary
1230103032022001
5
Quinary
12210121244144
6
Senary
500144051225
8
Octal
15423161201
10
Decimal
1816978049
12
Duodecimal
428603b15
16
Hexadecimal
6c4ce281
20
Vigesimal
187g2529
36
Base36
u1s58h
md5
e4add1e31f93e8cbdd704d10f0adc987
sha1
6b7e341c6d4b3d6a3683564fe5a76ebdf823d17f
sha256
18ea4e0beab1110d0d8355d0884b056553f20f0a891e45ac6994714cf8aae492
sha512
80756eeb4cffe2af48c2fe291b2c7c012140396d5486bc44a67dd122e68f77601bd4344c2fc5dbc0890be4b78d8af8b934707f88890e435719f6f5f774a58fd6
ripemd-160
6c5301578d2b2431c6057559873b683004d064dc
Diameter
3633956098
Circumference
11416409780.945
Area
1.0371682985183E+19
Volume
2.5126827087018E+28
Surface area
4.1486731940731E+19
Circumference
11416409780.945
Perimeter
7267912196
Area
3301409230547846401
Diagonal
2569594999.43
Surface area
1.9808455383287E+19
Volume
5.9985881026714E+27
Space diagonal
3147098297.1054
Perimeter
5450934147
Area
1.4295521309714E+18
Altitude
1573549148.5527
Surface area
1.4295521309714E+18
Volume
7.0694038749065E+26
Height
856531666.47667