2189871 is an odd 7-digits composite number following 2189870
and preceding 2189872 . In scientific notation, it is written as 2.189871 × 10^6.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 1374480 positive integers (up to 2189871) that are relatively prime to 2189871.
2189871 has 16 divisors, whose sum is 2580480
The reverse of 2189871 is 1789812
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 36
Digital Root 9
Name
two million one hundred eighty-nine thousand eight hundred seventy-one
Scientific notation
2.189871 × 10^6
Engineering notation
2.189871 × 10^6
Prime Factorization
9 × 31 × 47 × 167
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2189871
Product of the distinct prime numbers
The prime factorization of 2189871 is 9 × 31 × 47 × 167.
Since it has a total of 4 prime factors.
2 , 1 , 58 , 58 , 208 , 833 , 4667 , 2078 , 92901 , 27763 , 112626 , 25959 , 5274887 , 5860692 , 37993553 , 81318473 , 884699456 , 352857741 , 8811740877 , 7121487425
n×2
4379742
n×3
6569613
n×4
8759484
n×5
10949355
n÷2
1094935.5
n÷3
729957
n÷3
547467.75
n÷5
437974.2
n2
4795534996641
n3
1.0501603018629E+19
n4
2.2997155904009E+25
n5
5.0360804796667E+31
2 √n
1479.8212729921
3 √n
129.85923619634
4 √n
38.468445159535
5 √n
18.538889098906
1 , 9 , 31 , 47 , 167 , 279 , 423 , 1457 , 1503 , 5177 , 7849 , 13113 , 46593 , 70641 , 243319 , 2189871
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2189870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2189871 can be divided by 16 positive divisors.
The sum of these divisors (counting 2189871) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000010110101000101111
3
Ternary
11010020221100
4
Quaternary
20112220233
5
Quinary
1030033441
6
Senary
114534143
8
Octal
10265057
10
Decimal
2189871
12
Duodecimal
897353
16
Hexadecimal
216a2f
20
Vigesimal
ddedb
36
Base36
1axpr
md5
195d7ea2b4eaf91e5d6bc0039a990cd2
sha1
c4954827215b3fd214b8354d2d5948b152cf33e6
sha256
cdc87abb5b07f8b7c8f4a3b0c79a1cee4df28122c4ce29ddd24a4d2775f07868
sha512
bb918992a067c96d5c422ef14a576cb18bd1170641a539c304fac61fa3db33f69e8d63a1dbfdd753f5657fd715408f32b98b902e3ed13a8c15d6637d75440b7d
ripemd-160
dc48677063df52e80754a7d04e0f0b74acd5eef3
Diameter
4379742
Circumference
13759365.291819
Area
15065617515480
Volume
4.3989011858989E+19
Surface area
60262470061920
Circumference
13759365.291819
Perimeter
8759484
Area
4795534996641
Diagonal
3096945.2680475
Surface area
28773209979846
Volume
1.0501603018629E+19
Space diagonal
3792967.8340217
Perimeter
6569613
Area
2076527565914.2
Altitude
1896483.9170108
Surface area
2076527565914.2
Volume
1.2376257846336E+18
Height
1032315.0893492