2018997449 is an odd 10-digits composite number following 2018997448
and preceding 2018997450 . In scientific notation, it is written as 2.018997449 × 10^9.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 1727822880 positive integers (up to 2018997449) that are relatively prime to 2018997449.
2018997449 has 8 divisors, whose sum is 2311087488
The reverse of 2018997449 is 9447998102
Previous prime number is 631
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 53
Digital Root 8
Name
two billion eighteen million nine hundred ninety-seven thousand four hundred forty-nine
Scientific notation
2.018997449 × 10^9
Engineering notation
2.018997449 × 10^9
Prime Factorization
7 × 631 × 457097
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2018997449
Product of the distinct prime numbers
The prime factorization of 2018997449 is 7 × 631 × 457097.
Since it has a total of 3 prime factors.
6 , 10 , 61 , 29 , 297 , 726 , 4506 , 9728 , 46627 , 15843 , 102157 , 371373 , 4746767 , 8993448 , 26827960 , 22416567 , 515191325 , 878917106 , 3714336164 , 5998551576
n×2
4037994898
n×3
6056992347
n×4
8075989796
n×5
10094987245
n÷2
1009498724.5
n÷3
672999149.66667
n÷3
504749362.25
n÷5
403799489.8
n2
4076350699068507601
n3
8.2301416626487E+27
n4
1.6616635021796E+37
n5
3.3548943719971E+46
2 √n
44933.255490783
3 √n
1263.8976996284
4 √n
211.97465766167
5 √n
72.615135826204
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
-2018997448
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 2018997449 can be divided by 8 positive divisors.
The sum of these divisors (counting 2018997449) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000010101110111010011001001
3
Ternary
12012201002200211022
4
Quaternary
1320111313103021
5
Quinary
13113330404244
6
Senary
532202042225
8
Octal
17025672311
10
Decimal
2018997449
12
Duodecimal
4841a9375
16
Hexadecimal
785774c9
20
Vigesimal
1baiedc9
36
Base36
xe24eh
md5
9cdab768eeed12f45132c00b859e1e7d
sha1
a798a3cd69d398283e79c36c3919d8996d2a71c8
sha256
039c42b13b7dedfd6d68c5caa53d063207c128939888274204797a24ea80e526
sha512
af5be77fc3c7b8786b6085cc90ddd6e587714d8b6792432c58211b16577f77af18aa645baf11e13aaf99c4677e93f4f3400f77b0f53f7027e22fb1c00d30c117
ripemd-160
8c7437cf72b42d3c64137a92cb222f237de1a879
Diameter
4037994898
Circumference
12685735106.79
Area
1.2806233409649E+19
Volume
3.4474336780507E+28
Surface area
5.1224933638597E+19
Circumference
12685735106.79
Perimeter
8075989796
Area
4076350699068507601
Diagonal
2855293574.7725
Surface area
2.4458104194411E+19
Volume
8.2301416626487E+27
Space diagonal
3497006162.02
Perimeter
6056992347
Area
1.7651116300639E+18
Altitude
1748503081.01
Surface area
1.7651116300639E+18
Volume
9.699314966308E+26
Height
951764524.92416