1990397 is an odd 7-digits composite number following 1990396
and preceding 1990398 . In scientific notation, it is written as 1.990397 × 10^6.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 1903836 positive integers (up to 1990397) that are relatively prime to 1990397.
1990397 has 4 divisors, whose sum is 2076960
The reverse of 1990397 is 7930991
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 38
Digital Root 2
Name
one million nine hundred ninety thousand three hundred ninety-seven
Scientific notation
1.990397 × 10^6
Engineering notation
1.990397 × 10^6
Prime Factorization
23 × 86539
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1990397
Product of the distinct prime numbers
The prime factorization of 1990397 is 23 × 86539.
Since it has a total of 2 prime factors.
1 , 9 , 86 , 20 , 448 , 263 , 3417 , 2054 , 69786 , 13467 , 262362 , 369563 , 36554 , 1102082 , 12456338 , 52824117 , 366688680 , 34435773 , 4679103917 , 1713548809
n×2
3980794
n×3
5971191
n×4
7961588
n×5
9951985
n÷2
995198.5
n÷3
663465.66666667
n÷3
497599.25
n÷5
398079.4
n2
3961680217609
n3
7885316420088300773
n4
1.5694910146594E+25
n5
3.1239102071051E+31
2 √n
1410.8143038685
3 √n
125.79013102037
4 √n
37.560808083274
5 √n
18.188125477544
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990396
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990397 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990397) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100101111011111101
3
Ternary
10202010022102
4
Quaternary
13211323331
5
Quinary
1002143042
6
Senary
110354445
8
Octal
7457375
10
Decimal
1990397
12
Duodecimal
7bba25
16
Hexadecimal
1e5efd
20
Vigesimal
c8fjh
36
Base36
16nst
md5
150c71bfd8bea289170faf62616ef5e2
sha1
872000077753b033fae7c2a9c96fecce2c423e8d
sha256
a3319babe3242d3e27242e7613e90d2ca0c25a1d61eaa22c1613af1c5810b537
sha512
caeb90a256f7290f2b6490d3bc791d93f0acd85930cdbc285bc5b1075aea22a228497fb9a40c31b4160608a525b21ca4e7b48af3b074b5a1fc6d485ecd0a0348
ripemd-160
7ac4a7bc856fd64c1dbbdffbc64bf2b41f1a4eaf
Diameter
3980794
Circumference
12506033.185854
Area
12445985467512
Volume
3.3029936182107E+19
Surface area
49783941870050
Circumference
12506033.185854
Perimeter
7961588
Area
3961680217609
Diagonal
2814846.4319067
Surface area
23770081305654
Volume
7885316420088300773
Space diagonal
3447468.7312327
Perimeter
5971191
Area
1715457855059.8
Altitude
1723734.3656163
Surface area
1715457855059.8
Volume
9.2929345207434E+17
Height
938282.14396891