1900990 is an even 7-digits composite number following 1900989
and preceding 1900991 . In scientific notation, it is written as 1.900990 × 10^6.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 601344 positive integers (up to 1900990) that are relatively prime to 1900990.
1900990 has 16 divisors, whose sum is 3160080
The reverse of 1900990 is 0990091
Previous prime number is 13
Is Prime? no
Number parity even
Number length 7
Sum of Digits 28
Digital Root 1
Name
one million nine hundred thousand nine hundred ninety
Scientific notation
1.900990 × 10^6
Engineering notation
1.900990 × 10^6
Prime Factorization
2 × 35 × 13 × 2089
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1900990
Product of the distinct prime numbers
The prime factorization of 1900990 is 2 × 35 × 13 × 2089.
Since it has a total of 4 prime factors.
3 , 7 , 80 , 63 , 14 , 536 , 5789 , 5753 , 79525 , 61142 , 150 , 306526 , 232686 , 7255926 , 74949141 , 5690277 , 344131583 , 968863791 , 2234973135 , 7687640678
n×2
3801980
n×3
5702970
n×4
7603960
n×5
9504950
n÷2
950495
n÷3
633663.33333333
n÷3
475247.5
n÷5
380198
n2
3613762980100
n3
6869727287540299000
n4
1.3059282876341E+25
n5
2.4825566155096E+31
2 √n
1378.7639391861
3 √n
123.87774109987
4 √n
37.131710695659
5 √n
18.02170873801
1 , 2 , 13 , 26 , 35 , 70 , 455 , 910 , 2089 , 4178 , 27157 , 54314 , 73115 , 146230 , 950495 , 1900990
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
-1900989
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 1900990 can be divided by 16 positive divisors.
The sum of these divisors (counting 1900990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010000000110111110
3
Ternary
10120120200001
4
Quaternary
13100012332
5
Quinary
441312430
6
Senary
104424514
8
Octal
7200676
10
Decimal
1900990
12
Duodecimal
77813a
16
Hexadecimal
1d01be
20
Vigesimal
bhc9a
36
Base36
14qta
md5
b45eaf74e3a9ea4b68c1ee093e8ed0a6
sha1
670f20c6665ddf18a16dd80bae57ec700966fbe8
sha256
bfd3ccb2ff8e31520a33a8447308220fd8f290612f2e22b34c371c82f30da784
sha512
120875dda8b290c9bccc7332ca9462d93abad856de5df1a6a217aad5cecc9106d2f7f471ca56f952214e6d87c64bf80a8311d44efea9c83c1872ada98f620847
ripemd-160
5276723d3a483c45ad3ccc981d856eb7b58213a3
Diameter
3801980
Circumference
11944272.437095
Area
11352971230097
Volume
2.8775846371603E+19
Surface area
45411884920388
Circumference
11944272.437095
Perimeter
7603960
Area
3613762980100
Diagonal
2688405.8399356
Surface area
21682577880600
Volume
6869727287540299000
Space diagonal
3292611.2646804
Perimeter
5702970
Area
1564805272011.2
Altitude
1646305.6323402
Surface area
1564805272011.2
Volume
8.09605124987E+17
Height
896135.27997854