1991470 is an even 7-digits composite number following 1991469
and preceding 1991471 . In scientific notation, it is written as 1.991470 × 10^6.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 735264 positive integers (up to 1991470) that are relatively prime to 1991470.
1991470 has 16 divisors, whose sum is 3860640
The reverse of 1991470 is 0741991
Previous prime number is 13
Is Prime? no
Number parity even
Number length 7
Sum of Digits 31
Digital Root 4
Name
one million nine hundred ninety-one thousand four hundred seventy
Scientific notation
1.991470 × 10^6
Engineering notation
1.991470 × 10^6
Prime Factorization
2 × 5 × 13 × 15319
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1991470
Product of the distinct prime numbers
The prime factorization of 1991470 is 2 × 5 × 13 × 15319.
Since it has a total of 4 prime factors.
9 , 10 , 47 , 20 , 909 , 152 , 3800 , 7322 , 18215 , 16067 , 90604 , 207877 , 3602486 , 8802972 , 65013882 , 51762206 , 697069314 , 643596829 , 6403598187 , 2177118023
n×2
3982940
n×3
5974410
n×4
7965880
n×5
9957350
n÷2
995735
n÷3
663823.33333333
n÷3
497867.5
n÷5
398294
n2
3965952760900
n3
7898075944749523000
n4
1.572878130169E+25
n5
3.1323396098877E+31
2 √n
1411.1945294679
3 √n
125.81273096127
4 √n
37.565869209535
5 √n
18.190086056432
1 , 2 , 5 , 10 , 13 , 26 , 65 , 130 , 15319 , 30638 , 76595 , 153190 , 199147 , 398294 , 995735 , 1991470
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
-1991469
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 1991470 can be divided by 16 positive divisors.
The sum of these divisors (counting 1991470) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100110001100101110
3
Ternary
10202011210011
4
Quaternary
13212030232
5
Quinary
1002211340
6
Senary
110403434
8
Octal
7461456
10
Decimal
1991470
12
Duodecimal
80057a
16
Hexadecimal
1e632e
20
Vigesimal
c8ida
36
Base36
16omm
md5
ce940f7ff67d7e98945917b0840eb022
sha1
ac5358d5cfab634041cf577d67403d7a7abb1603
sha256
51d4a49e591ed66028db7930849955504aacb1dcd4434afe4ce6fcbac9deb544
sha512
b9c49a27376d1cd91e691f81e6561bf976c72d2038a8c2f69f9eecda6b4e82cf57ca9a4e908ff0b7e4450179f3a6911e9673079ed0821d3d5d61f0c8eb752a99
ripemd-160
96c4c822d311fc70ac20d8946e13c9dba0b1b296
Diameter
3982940
Circumference
12512775.043689
Area
12459408058128
Volume
3.3083383154026E+19
Surface area
49837632232510
Circumference
12512775.043689
Perimeter
7965880
Area
3965952760900
Diagonal
2816363.8830591
Surface area
23795716565400
Volume
7898075944749523000
Space diagonal
3449327.2217492
Perimeter
5974410
Area
1717307920574.2
Altitude
1724663.6108746
Surface area
1717307920574.2
Volume
9.3079717647646E+17
Height
938787.96101972