1900991 is an odd 7-digits composite number following 1900990
and preceding 1900992 . In scientific notation, it is written as 1.900991 × 10^6.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 1761408 positive integers (up to 1900991) that are relatively prime to 1900991.
1900991 has 8 divisors, whose sum is 2044080
The reverse of 1900991 is 1990091
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 29
Digital Root 2
Name
one million nine hundred thousand nine hundred ninety-one
Scientific notation
1.900991 × 10^6
Engineering notation
1.900991 × 10^6
Prime Factorization
17 × 67 × 1669
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1900991
Product of the distinct prime numbers
The prime factorization of 1900991 is 17 × 67 × 1669.
Since it has a total of 3 prime factors.
3 , 8 , 66 , 41 , 137 , 387 , 7391 , 3461 , 22947 , 50124 , 840857 , 619099 , 9895129 , 5503365 , 93188847 , 8002796 , 949814655 , 764036356 , 9070311835 , 9132334159
n×2
3801982
n×3
5702973
n×4
7603964
n×5
9504955
n÷2
950495.5
n÷3
633663.66666667
n÷3
475247.75
n÷5
380198.2
n2
3613766782081
n3
6869738128834942271
n4
1.3059310355272E+25
n5
2.4825631451579E+31
2 √n
1378.7643018297
3 √n
123.87776282148
4 √n
37.131715578865
5 √n
18.021710634044
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1900990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1900991 can be divided by 8 positive divisors.
The sum of these divisors (counting 1900991) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010000000110111111
3
Ternary
10120120200002
4
Quaternary
13100012333
5
Quinary
441312431
6
Senary
104424515
8
Octal
7200677
10
Decimal
1900991
12
Duodecimal
77813b
16
Hexadecimal
1d01bf
20
Vigesimal
bhc9b
36
Base36
14qtb
md5
48148c5e32ecd31d052ac6db8de54336
sha1
3fb0f5e6d12edce1a334c2192fada42f20cd1547
sha256
9a1f4ab8e3fbf4482bc76a0356e89aa10c918475ed73b9ad321eb2a62c63560e
sha512
b1c9821073108565453ad6add74e814a5419dc65eab468d0a1299ce7a125d52a77cc5c182acfe347ad0f3135b241742f8dcd7ee096e00cd218eaafc255804e41
ripemd-160
3c15f28b905de497172863926f893bca4be29b47
Diameter
3801982
Circumference
11944278.720281
Area
11352983174372
Volume
2.8775891783511E+19
Surface area
45411932697490
Circumference
11944278.720281
Perimeter
7603964
Area
3613766782081
Diagonal
2688407.2541492
Surface area
21682600692486
Volume
6869738128834942271
Space diagonal
3292612.9967312
Perimeter
5702973
Area
1564806918317.2
Altitude
1646306.4983656
Surface area
1564806918317.2
Volume
8.0960640264583E+17
Height
896135.75138306