1990688 is an even 7-digits composite number following 1990687
and preceding 1990689 . In scientific notation, it is written as 1.990688 × 10^6.
The sum of its digits is 41. It has a total of 7 prime factors and 24 positive divisors.
There are 853056 positive integers (up to 1990688) that are relatively prime to 1990688.
1990688 has 24 divisors, whose sum is 4479552
The reverse of 1990688 is 8860991
Previous prime number is 7
Is Prime? no
Number parity even
Number length 7
Sum of Digits 41
Digital Root 5
Name
one million nine hundred ninety thousand six hundred eighty-eight
Scientific notation
1.990688 × 10^6
Engineering notation
1.990688 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 7 × 8887
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
124418
Product of the distinct prime numbers
The prime factorization of 1990688 is 2 × 2 × 2 × 2 × 2 × 7 × 8887.
Since it has a total of 7 prime factors.
8 , 1 , 65 , 47 , 733 , 302 , 5463 , 3426 , 28685 , 76940 , 164754 , 826648 , 1388998 , 1010795 , 58606210 , 21152942 , 187811297 , 733264470 , 5979513388 , 3391574366
n×2
3981376
n×3
5972064
n×4
7962752
n×5
9953440
n÷2
995344
n÷3
663562.66666667
n÷3
497672
n÷5
398137.6
n2
3962838713344
n3
7888775472589340672
n4
1.5704090667978E+25
n5
3.1261944843656E+31
2 √n
1410.9174320278
3 √n
125.79626097742
4 √n
37.562180874223
5 √n
18.188657274468
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 32 , 56 , 112 , 224 , 8887 , 17774 , 35548 , 62209 , 71096 , 124418 , 142192 , 248836 , 284384 , 497672 , 995344 , 1990688
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990688 can be divided by 24 positive divisors.
The sum of these divisors (counting 1990688) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111100110000000100000
3
Ternary
10202010201012
4
Quaternary
13212000200
5
Quinary
1002200223
6
Senary
110400052
8
Octal
7460040
10
Decimal
1990688
12
Duodecimal
800028
16
Hexadecimal
1e6020
20
Vigesimal
c8ge8
36
Base36
16o0w
md5
c9f2dccee343f880d19906a41d342d42
sha1
15dd260adc7d223d9f0fdf5a9f023288f5fc89b9
sha256
da8cd08e5e06014eced86816b62840d61f25da2d61ce25c91eeb2d046e8900a3
sha512
f185d6c7de43eba0b9d667c47c164f624731e659931d18e0d0053607194e7bf18fdc56dbab94ba7d68dd8a571d929ba9c9b98f78d82d696c8e5eddd43c6ea315
ripemd-160
cddb113f92e14b6658faac347c4018efb74ca7e8
Diameter
3981376
Circumference
12507861.592779
Area
12449624989203
Volume
3.3044425427341E+19
Surface area
49798499956811
Circumference
12507861.592779
Perimeter
7962752
Area
3962838713344
Diagonal
2815257.9680534
Surface area
23777032280064
Volume
7888775472589340672
Space diagonal
3447972.7580177
Perimeter
5972064
Area
1715959498428.2
Altitude
1723986.3790088
Surface area
1715959498428.2
Volume
9.2970110532101E+17
Height
938419.32268446