2018993986 is an even 10-digits composite number following 2018993985
and preceding 2018993987 . In scientific notation, it is written as 2.018993986 × 10^9.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 1009496992 positive integers (up to 2018993986) that are relatively prime to 2018993986.
2018993986 has 4 divisors, whose sum is 3028490982
The reverse of 2018993986 is 6893998102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 55
Digital Root 1
Name
two billion eighteen million nine hundred ninety-three thousand nine hundred eighty-six
Scientific notation
2.018993986 × 10^9
Engineering notation
2.018993986 × 10^9
Prime Factorization
2 × 1009496993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2018993986
Product of the distinct prime numbers
The prime factorization of 2018993986 is 2 × 1009496993.
Since it has a total of 2 prime factors.
6 , 9 , 42 , 64 , 267 , 977 , 5993 , 1731 , 63780 , 48868 , 355229 , 779166 , 980708 , 1164565 , 97213303 , 48644317 , 737599092 , 437597896 , 8747963401 , 601523643
n×2
4037987972
n×3
6056981958
n×4
8075975944
n×5
10094969930
n÷2
1009496993
n÷3
672997995.33333
n÷3
504748496.5
n÷5
403798797.2
n2
4076336715504168196
n3
8.2300993135139E+27
n4
1.6616521018167E+37
n5
3.3548656003922E+46
2 √n
44933.216955833
3 √n
1263.8969770123
4 √n
211.97456676647
5 √n
72.615110916179
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
-2018993985
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 2018993986 can be divided by 4 positive divisors.
The sum of these divisors (counting 2018993986) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111000010101110110011101000010
3
Ternary
12012201002112002001
4
Quaternary
1320111312131002
5
Quinary
13113330301421
6
Senary
532202014214
8
Octal
17025663502
10
Decimal
2018993986
12
Duodecimal
4841a736a
16
Hexadecimal
78576742
20
Vigesimal
1baie4j6
36
Base36
xe21qa
md5
46c641ea0aceead80b7322f20409c365
sha1
ac305ef64dd9002086de2dcd8e2a16692cb9e4ce
sha256
9df7c9f31228ec18b1a6282416910930618df6dc0703d1d90adebe3f045319e2
sha512
0a1e39e59bd910412e7eb2cd00fce7cc60b78169163d96297ed3ff698afc24749aab450b8285229334ef9c535396682ab3db22e38b986d09072ee8a9ec23ee6f
ripemd-160
06eb80c04e148e9c0b8a9243111ae8dcbd9d1356
Diameter
4037987972
Circumference
12685713348.119
Area
1.2806189478986E+19
Volume
3.4474159388866E+28
Surface area
5.1224757915945E+19
Circumference
12685713348.119
Perimeter
8075975944
Area
4076336715504168196
Diagonal
2855288677.3509
Surface area
2.4458020293025E+19
Volume
8.2300993135139E+27
Space diagonal
3497000163.928
Perimeter
6056981958
Area
1.7651055750029E+18
Altitude
1748500081.964
Surface area
1.7651055750029E+18
Volume
9.6992650573741E+26
Height
951762892.4503