2188889 is an odd 7-digits composite number following 2188888
and preceding 2188890 . In scientific notation, it is written as 2.188889 × 10^6.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 2185380 positive integers (up to 2188889) that are relatively prime to 2188889.
2188889 has 4 divisors, whose sum is 2192400
The reverse of 2188889 is 9888812
Previous prime number is 811
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 44
Digital Root 8
Name
two million one hundred eighty-eight thousand eight hundred eighty-nine
Scientific notation
2.188889 × 10^6
Engineering notation
2.188889 × 10^6
Prime Factorization
811 × 2699
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2188889
Product of the distinct prime numbers
The prime factorization of 2188889 is 811 × 2699.
Since it has a total of 2 prime factors.
1 , 2 , 85 , 37 , 771 , 304 , 3278 , 5648 , 80726 , 84555 , 114198 , 241808 , 2962424 , 6062653 , 59880863 , 96294009 , 628139338 , 467916315 , 7185540121 , 8059212952
n×2
4377778
n×3
6566667
n×4
8755556
n×5
10944445
n÷2
1094444.5
n÷3
729629.66666667
n÷3
547222.25
n÷5
437777.8
n2
4791235054321
n3
1.0487481706818E+19
n4
2.2955933345754E+25
n5
5.0247989985255E+31
2 √n
1479.489438962
3 √n
129.83982244455
4 √n
38.464131849841
5 √n
18.537226128305
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
-2188888
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 2188889 can be divided by 4 positive divisors.
The sum of these divisors (counting 2188889) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010110011001011001
3
Ternary
11010012120222
4
Quaternary
20112121121
5
Quinary
1030021024
6
Senary
114525425
8
Octal
10263131
10
Decimal
2188889
12
Duodecimal
896875
16
Hexadecimal
216659
20
Vigesimal
ddc49
36
Base36
1awyh
md5
023090cb641706700b49317c720d25b9
sha1
1237c51d92dee46a664c9031f125abac10e704f0
sha256
b10c8d6622df522ba7702417ad9a4ea421a471c9a06422ce3c11ceba14a310f8
sha512
9bb2350b9ec158196a32130ad33738df1eee4631fd60c68636fea657bb1ee179b62e540a4245a2b580faeb13ca186854186cbda0742d4f409ee80a2c6c0556ed
ripemd-160
e005426aa21bdda10b8deab670cd4a23a3534480
Diameter
4377778
Circumference
13753195.203847
Area
15052108848277
Volume
4.3929860646394E+19
Surface area
60208435393107
Circumference
13753195.203847
Perimeter
8755556
Area
4791235054321
Diagonal
3095556.5103293
Surface area
28747410325926
Volume
1.0487481706818E+19
Space diagonal
3791266.9601286
Perimeter
6566667
Area
2074665636272.3
Altitude
1895633.4800643
Surface area
2074665636272.3
Volume
1.2359615720768E+18
Height
1031852.1701098