1991432 is an even 7-digits composite number following 1991431
and preceding 1991433 . In scientific notation, it is written as 1.991432 × 10^6.
The sum of its digits is 29. It has a total of 6 prime factors and 32 positive divisors.
There are 933504 positive integers (up to 1991432) that are relatively prime to 1991432.
1991432 has 32 divisors, whose sum is 3974400
The reverse of 1991432 is 2341991
Previous prime number is 79
Is Prime? no
Number parity even
Number length 7
Sum of Digits 29
Digital Root 2
Name
one million nine hundred ninety-one thousand four hundred thirty-two
Scientific notation
1.991432 × 10^6
Engineering notation
1.991432 × 10^6
Prime Factorization
2 × 2 × 2 × 23 × 79 × 137
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
497858
Product of the distinct prime numbers
The prime factorization of 1991432 is 2 × 2 × 2 × 23 × 79 × 137.
Since it has a total of 6 prime factors.
5 , 7 , 68 , 30 , 863 , 699 , 8878 , 4618 , 45851 , 59199 , 70801 , 985162 , 3095496 , 7812663 , 83442895 , 12974517 , 446309594 , 524859366 , 7993185303 , 8188636637
n×2
3982864
n×3
5974296
n×4
7965728
n×5
9957160
n÷2
995716
n÷3
663810.66666667
n÷3
497858
n÷5
398286.4
n2
3965801410624
n3
7897623834761773568
n4
1.5727580828507E+25
n5
3.1320407744476E+31
2 √n
1411.1810656326
3 √n
125.81193072925
4 √n
37.565690006076
5 √n
18.190016637506
1 , 2 , 4 , 8 , 23 , 46 , 79 , 92 , 137 , 158 , 184 , 274 , 316 , 548 , 632 , 1096 , 1817 , 3151 , 3634 , 6302 , 7268 , 10823 , 12604 , 14536 , 21646 , 25208 , 43292 , 86584 , 248929 , 497858 , 995716 , 1991432
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1991431
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1991432 can be divided by 32 positive divisors.
The sum of these divisors (counting 1991432) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111100110001100001000
3
Ternary
10202011201202
4
Quaternary
13212030020
5
Quinary
1002211212
6
Senary
110403332
8
Octal
7461410
10
Decimal
1991432
12
Duodecimal
800548
16
Hexadecimal
1e6308
20
Vigesimal
c8ibc
36
Base36
16olk
md5
69ed83d0b9dd0630b4e92326f6f9bd1f
sha1
c07eb65320dba8d377b57b7060b7044081f9a78f
sha256
ef37a496d17a1a96dcc7ac6356243f40ef71f832ebf9403488db7f4c79b55661
sha512
3dbba1b96740f379c05660fe6cea67bdfebee2f42215adf74b91601c4d5bb9da2f97e5068a13047a45a13c4903b0e08baadb89a26ad38a32a4b8dad99ca938a4
ripemd-160
a33ab94657663361bb8b89c2e1519b0560e5610b
Diameter
3982864
Circumference
12512536.282647
Area
12458932577212
Volume
3.3081489360138E+19
Surface area
49835730308850
Circumference
12512536.282647
Perimeter
7965728
Area
3965801410624
Diagonal
2816310.1429438
Surface area
23794808463744
Volume
7897623834761773568
Space diagonal
3449261.4038185
Perimeter
5974296
Area
1717242383982.3
Altitude
1724630.7019093
Surface area
1717242383982.3
Volume
9.3074389480343E+17
Height
938770.04764793