1991468 is an even 7-digits composite number following 1991467
and preceding 1991469 . In scientific notation, it is written as 1.991468 × 10^6.
The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors.
There are 995732 positive integers (up to 1991468) that are relatively prime to 1991468.
1991468 has 6 divisors, whose sum is 3485076
The reverse of 1991468 is 8641991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 38
Digital Root 2
Name
one million nine hundred ninety-one thousand four hundred sixty-eight
Scientific notation
1.991468 × 10^6
Engineering notation
1.991468 × 10^6
Prime Factorization
2 × 2 × 497867
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
995734
Product of the distinct prime numbers
The prime factorization of 1991468 is 2 × 2 × 497867.
Since it has a total of 3 prime factors.
3 , 4 , 76 , 97 , 377 , 570 , 4265 , 7900 , 78011 , 85617 , 176888 , 382038 , 9680670 , 6049752 , 73780129 , 18037738 , 784821544 , 222543637 , 8757591323 , 3573639589
n×2
3982936
n×3
5974404
n×4
7965872
n×5
9957340
n÷2
995734
n÷3
663822.66666667
n÷3
497867
n÷5
398293.6
n2
3965944795024
n3
7898052149056855232
n4
1.5728718117178E+25
n5
3.132323881138E+31
2 √n
1411.1938208481
3 √n
125.81268884405
4 √n
37.565859777838
5 √n
18.190082402831
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1991467
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1991468 can be divided by 6 positive divisors.
The sum of these divisors (counting 1991468) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111100110001100101100
3
Ternary
10202011210002
4
Quaternary
13212030230
5
Quinary
1002211333
6
Senary
110403432
8
Octal
7461454
10
Decimal
1991468
12
Duodecimal
800578
16
Hexadecimal
1e632c
20
Vigesimal
c8id8
36
Base36
16omk
md5
40f0907f3a4d374d9c555112e0261faa
sha1
dacb0686312d7f918a219e55d59aa506b9bebcfe
sha256
d62d6558b8782d2c4aa93b6fee78bcdb84020d813103e60c0d4973aa9c05d175
sha512
42eb8e3557cbc0f4ba65fe28b0d7d85598d3246888975819824246da56e6a5cdba3065bb89f6110df7d9ecc219365e4e8b0ba8b8409656d9e95f9fcc7c266466
ripemd-160
f7dbb7f270a18a4adf9e1eacb919216947d12a0e
Diameter
3982936
Circumference
12512762.477318
Area
12459383032590
Volume
3.3083283478861E+19
Surface area
49837532130360
Circumference
12512762.477318
Perimeter
7965872
Area
3965944795024
Diagonal
2816361.054632
Surface area
23795668770144
Volume
7898052149056855232
Space diagonal
3449323.7576476
Perimeter
5974404
Area
1717304471248.7
Altitude
1724661.8788238
Surface area
1717304471248.7
Volume
9.3079437212718E+17
Height
938787.01821067