1990495866 is an even 10-digits composite number following 1990495865
and preceding 1990495867 . In scientific notation, it is written as 1.990495866 × 10^9.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 663186144 positive integers (up to 1990495866) that are relatively prime to 1990495866.
1990495866 has 16 divisors, whose sum is 3982866624
The reverse of 1990495866 is 6685940991
Previous prime number is 2153
Is Prime? no Number parity even Number length 10 Sum of Digits 57 Digital Root 3
Name
one billion nine hundred ninety million four hundred ninety-five thousand eight hundred sixty-six
Scientific notation
1.990495866 × 10^9
Engineering notation
1.990495866 × 10^9
Prime Factorization
2 × 3 × 2153 × 154087
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1990495866 Product of the distinct prime numbers
The prime factorization of 1990495866 is 2 × 3 × 2153 × 154087.
Since it has a total of 4 prime factors.
3 , 3 , 44 , 7 , 983 , 163 , 1671 , 598 , 87933 , 51992 , 356512 , 439671 , 2182662 , 2021127 , 4939251 , 33104570 , 159759195 , 312127996 , 3521043129 , 6033001195
n×2
3980991732
n×3
5971487598
n×4
7961983464
n×5
9952479330
n÷2
995247933
n÷3
663498622
n÷3
497623966.5
n÷5
398099173.2
n2
3962073792563089956
n3
7.8864915048838E+27
n4
1.5698028737715E+37
n5
3.1246861306771E+46
2 √n44614.973562695
3 √n1257.9221371395
4 √n211.22256878159
5 √n72.40895102614
1 , 2 , 3 , 6 , 2153 , 4306 , 6459 , 12918 , 154087 , 308174 , 462261 , 924522 , 331749311 , 663498622 , 995247933 , 1990495866
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
-1990495865 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 1990495866 can be divided by 16 positive divisors.
The sum of these divisors (counting 1990495866) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101001001000111001111010
3
Ternary
12010201110200000010
4
Quaternary
1312221020321322
5
Quinary
13034031331431
6
Senary
525303122350
8
Octal
16651107172
10
Decimal
1990495866
12
Duodecimal
4767433b6
16
Hexadecimal
76a48e7a
20
Vigesimal
1b20bjd6
36
Base36
wx38fu
md5
7fefd18348dd57232ccc321bd272d5c8
sha1
d1f7f011d9ce7a40d8aba839c08353e82466d7da
sha256
f70cdd49d2686655002341205983212e45f606a4aaf180a7dc8f3d589b97e758
sha512
b51cfcecab65a3c9f818a8114d88974104b0ee18eec85d5b126599402d8eb53c8b83ee3049a048e41c9a3417366cfe4a1d00c5c518a88d018597e7e1a77d0676
ripemd-160
a30e1863f1b95c5dbef962d64626592dae62b640
Diameter
3980991732
Circumference
12506654379.253
Area
1.2447221919697E+19
Volume
3.3034858365788E+28
Surface area
4.9788887678787E+19
Circumference
12506654379.253
Perimeter
7961983464
Area
3962073792563089956
Diagonal
2814986249.5448
Surface area
2.3772442755379E+19
Volume
7.8864915048838E+27
Space diagonal
3447639972.1678
Perimeter
5971487598
Area
1.7156282780141E+18
Altitude
1723819986.0839
Surface area
1.7156282780141E+18
Volume
9.2943193714557E+26
Height
938328749.84826