1990389429 is an odd 10-digits composite number following 1990389428
and preceding 1990389430 . In scientific notation, it is written as 1.990389429 × 10^9.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 1137362472 positive integers (up to 1990389429) that are relatively prime to 1990389429.
1990389429 has 8 divisors, whose sum is 2655419552
The reverse of 1990389429 is 9249830991
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion nine hundred ninety million three hundred eighty-nine thousand four hundred twenty-nine
Scientific notation
1.990389429 × 10^9
Engineering notation
1.990389429 × 10^9
Prime Factorization
1701 × 3 × 390043
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990389429
Product of the distinct prime numbers
The prime factorization of 1990389429 is 1701 × 3 × 390043.
Since it has a total of 3 prime factors.
2 , 1 , 45 , 67 , 500 , 627 , 918 , 7876 , 65634 , 23152 , 362711 , 461104 , 6297554 , 472458 , 83781696 , 63438783 , 215835083 , 218405709 , 9172693056 , 2047237981
n×2
3980778858
n×3
5971168287
n×4
7961557716
n×5
9951947145
n÷2
995194714.5
n÷3
663463143
n÷3
497597357.25
n÷5
398077885.8
n2
3961650079074946041
n3
7.8852264387878E+27
n4
1.5694671349035E+37
n5
3.1238507944747E+46
2 √n
44613.780707311
3 √n
1257.8997152818
4 √n
211.2197450697
5 √n
72.408176630523
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
-1990389428
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 1990389429 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990389429) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101000101110111010110101
3
Ternary
12010201021021000000
4
Quaternary
1312220232322311
5
Quinary
13034014430204
6
Senary
525300541513
8
Octal
16650567265
10
Decimal
1990389429
12
Duodecimal
4766b1899
16
Hexadecimal
76a2eeb5
20
Vigesimal
1b1jidb9
36
Base36
wx0yb9
md5
9354f7a68e3da2cf7dddb8403b2aa886
sha1
8e8585c1aaf8680e2ce7b68e9e9c19ddca6b6eed
sha256
1aecf38e5a95331f3d9db98403540fb11f55401b3e6f11aa6c731ac6e40788da
sha512
2d6aeb50c769d81faf2c11675337dd66d83d3c950b2495c71c787d551a79f565ece47fad9ced49631e6d5d34e42cb99b01e9a92fef0376e108301ad265c1722d
ripemd-160
9e02d032137fd5add7da120fb83efa9c15391d11
Diameter
3980778858
Circumference
12505985615.858
Area
1.2445890784515E+19
Volume
3.3029559269317E+28
Surface area
4.9783563138061E+19
Circumference
12505985615.858
Perimeter
7961557716
Area
3961650079074946041
Diagonal
2814835724.8958
Surface area
2.376990047445E+19
Volume
7.8852264387878E+27
Space diagonal
3447455617.876
Perimeter
5971168287
Area
1.7154448046918E+18
Altitude
1723727808.938
Surface area
1.7154448046918E+18
Volume
9.2928284767638E+26
Height
938278574.96528