2189870 is an even 7-digits composite number following 2189869
and preceding 2189871 . In scientific notation, it is written as 2.189870 × 10^6.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 875944 positive integers (up to 2189870) that are relatively prime to 2189870.
2189870 has 8 divisors, whose sum is 3941784
The reverse of 2189870 is 0789812
Previous prime number is 5
Is Prime? no
Number parity even
Number length 7
Sum of Digits 35
Digital Root 8
Name
two million one hundred eighty-nine thousand eight hundred seventy
Scientific notation
2.189870 × 10^6
Engineering notation
2.189870 × 10^6
Prime Factorization
2 × 5 × 218987
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2189870
Product of the distinct prime numbers
The prime factorization of 2189870 is 2 × 5 × 218987.
Since it has a total of 3 prime factors.
2 , 4 , 92 , 5 , 772 , 392 , 6638 , 609 , 81046 , 77592 , 134521 , 298160 , 5258025 , 4606709 , 24038289 , 78787711 , 15984771 , 3446765 , 2889855789 , 3372316184
n×2
4379740
n×3
6569610
n×4
8759480
n×5
10949350
n÷2
1094935
n÷3
729956.66666667
n÷3
547467.5
n÷5
437974
n2
4795530616900
n3
1.0501588632031E+19
n4
2.2997113897625E+25
n5
5.0360689810993E+31
2 √n
1479.8209351134
3 √n
129.85921642968
4 √n
38.4684407679
5 √n
18.538887405757
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
-2189869
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 2189870 can be divided by 8 positive divisors.
The sum of these divisors (counting 2189870) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010110101000101110
3
Ternary
11010020221022
4
Quaternary
20112220232
5
Quinary
1030033440
6
Senary
114534142
8
Octal
10265056
10
Decimal
2189870
12
Duodecimal
897352
16
Hexadecimal
216a2e
20
Vigesimal
ddeda
36
Base36
1axpq
md5
0d9faf3020cca0c933752debd60b7f44
sha1
4bf587d51138adde2a097641a8b2bbd4d6ec4e2c
sha256
b3b8dff2abfe4b2843b5bcbf85f1e20624658907da089f666d9a60d84c424f18
sha512
8c3b416667b3448be49d248d09dd56f7f63c275aa0b1c057851bfdb48b9d9c62309d1a0e4959a488e83ffed2b37ddf2ed0e606b59c1e66dc5e3c364ae05fba75
ripemd-160
ca69d7f76ef22f1a57df6127aaa92d06dd6d98dc
Diameter
4379740
Circumference
13759359.008633
Area
15065603756118
Volume
4.3988951596547E+19
Surface area
60262415024472
Circumference
13759359.008633
Perimeter
8759480
Area
4795530616900
Diagonal
3096943.853834
Surface area
28773183701400
Volume
1.0501588632031E+19
Space diagonal
3792966.1019709
Perimeter
6569610
Area
2076525669430.7
Altitude
1896483.0509854
Surface area
2076525669430.7
Volume
1.2376240891568E+18
Height
1032314.6179447