1891421 is an odd 7-digits composite number following 1891420
and preceding 1891422 . In scientific notation, it is written as 1.891421 × 10^6.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 1586448 positive integers (up to 1891421) that are relatively prime to 1891421.
1891421 has 8 divisors, whose sum is 2208000
The reverse of 1891421 is 1241981
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 26
Digital Root 8
Name
one million eight hundred ninety-one thousand four hundred twenty-one
Scientific notation
1.891421 × 10^6
Engineering notation
1.891421 × 10^6
Prime Factorization
7 × 47 × 5749
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1891421
Product of the distinct prime numbers
The prime factorization of 1891421 is 7 × 47 × 5749.
Since it has a total of 3 prime factors.
10 , 9 , 81 , 69 , 948 , 849 , 3627 , 3441 , 94311 , 55187 , 925790 , 354390 , 9246869 , 1168833 , 29294431 , 43471119 , 871603126 , 36285675 , 7928956306 , 6336773055
n×2
3782842
n×3
5674263
n×4
7565684
n×5
9457105
n÷2
945710.5
n÷3
630473.66666667
n÷3
472855.25
n÷5
378284.2
n2
3577473399241
n3
6766508314265811461
n4
1.2798315922277E+25
n5
2.4207003500029E+31
2 √n
1375.289424085
3 √n
123.66953719173
4 √n
37.084894823701
5 √n
18.003528946753
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
-1891420
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 1891421 can be divided by 8 positive divisors.
The sum of these divisors (counting 1891421) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001101110001011101
3
Ternary
10120002112122
4
Quaternary
13031301131
5
Quinary
441011141
6
Senary
104312325
8
Octal
7156135
10
Decimal
1891421
12
Duodecimal
7726a5
16
Hexadecimal
1cdc5d
20
Vigesimal
bg8b1
36
Base36
14jfh
md5
95112171155b792285bd4f1041eb3893
sha1
33aab00b66a0e654ed423733821bebb1de49866a
sha256
a836a947b01018ee06c09605e590165a0cdc632cd615c99239a89546655acc85
sha512
3ccb1f8b908072bfb13bebf2c479532c20b83109eeabd652579e7730f5c1d1782c67a53096ee48de01ff3f2d457d28f525375bc3c8355aa1259b11c6bdb0a51b
ripemd-160
f0ad3fd5762e121ae49ba2efdf985360d3441a3b
Diameter
3782842
Circumference
11884148.636891
Area
11238964149468
Volume
2.8343483747402E+19
Surface area
44955856597874
Circumference
11884148.636891
Perimeter
7565684
Area
3577473399241
Diagonal
2674873.2303573
Surface area
21464840395446
Volume
6766508314265811461
Space diagonal
3276037.2705027
Perimeter
5674263
Area
1549091422552.9
Altitude
1638018.6352514
Surface area
1549091422552.9
Volume
7.9744065232875E+17
Height
891624.41011909