1909890 is an even 7-digits composite number following 1909889
and preceding 1909891 . In scientific notation, it is written as 1.909890 × 10^6.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 509280 positive integers (up to 1909890) that are relatively prime to 1909890.
1909890 has 16 divisors, whose sum is 4074624
The reverse of 1909890 is 0989091
Previous prime number is 3
Is Prime? no
Number parity even
Number length 7
Sum of Digits 36
Digital Root 9
Name
one million nine hundred nine thousand eight hundred ninety
Scientific notation
1.909890 × 10^6
Engineering notation
1.909890 × 10^6
Prime Factorization
2 × 15 × 3 × 21221
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1909890
Product of the distinct prime numbers
The prime factorization of 1909890 is 2 × 15 × 3 × 21221.
Since it has a total of 4 prime factors.
8 , 7 , 91 , 60 , 909 , 442 , 2660 , 6772 , 84802 , 65923 , 844498 , 374688 , 2580943 , 1765196 , 79919462 , 41866629 , 397690189 , 918231384 , 5285693840 , 4316473058
n×2
3819780
n×3
5729670
n×4
7639560
n×5
9549450
n÷2
954945
n÷3
636630
n÷3
477472.5
n÷5
381978
n2
3647679812100
n3
6966667196331669000
n4
1.3305568011602E+25
n5
2.5412171289678E+31
2 √n
1381.9876989322
3 √n
124.07076259351
4 √n
37.175095143553
5 √n
18.038551928038
1 , 2 , 3 , 6 , 15 , 30 , 45 , 90 , 21221 , 42442 , 63663 , 127326 , 318315 , 636630 , 954945 , 1909890
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
-1909889
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 1909890 can be divided by 16 positive divisors.
The sum of these divisors (counting 1909890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010010010010000010
3
Ternary
10121000212200
4
Quaternary
13102102002
5
Quinary
442104030
6
Senary
104534030
8
Octal
7222202
10
Decimal
1909890
12
Duodecimal
781316
16
Hexadecimal
1d2482
20
Vigesimal
bieea
36
Base36
14xoi
md5
f7d7cc6f94216b017e8498d5a9dd8240
sha1
ac84e1ed62fd5f69bdced2f6994dd70d90b2310f
sha256
28064e07d1314e1e6aa53a5611eef7b1b9a43e42fc0f9edb99501decf3a51539
sha512
8ecbc8b14fb685e6a3bc0d21d642decd1650779972fce805cecf615ae6c776081635f40c73d13db94a834fc74437e66017b5c37234638439f2603e18504d8996
ripemd-160
2dbcb4d2490e4c4b09b50801a8c34e23d7a4f5f5
Diameter
3819780
Circumference
12000192.786329
Area
11459524100341
Volume
2.9181907312001E+19
Surface area
45838096401365
Circumference
12000192.786329
Perimeter
7639560
Area
3647679812100
Diagonal
2700992.3406408
Surface area
21886078872600
Volume
6966667196331669000
Space diagonal
3308026.5168677
Perimeter
5729670
Area
1579491691075.1
Altitude
1654013.2584339
Surface area
1579491691075.1
Volume
8.2102960279933E+17
Height
900330.78021358