1990990431 is an odd 10-digits composite number following 1990990430
and preceding 1990990432 . In scientific notation, it is written as 1.990990431 × 10^9.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 1312412640 positive integers (up to 1990990431) that are relatively prime to 1990990431.
1990990431 has 8 divisors, whose sum is 2237068800
The reverse of 1990990431 is 1340990991
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
one billion nine hundred ninety million nine hundred ninety thousand four hundred thirty-one
Scientific notation
1.990990431 × 10^9
Engineering notation
1.990990431 × 10^9
Prime Factorization
9 × 89 × 2485631
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990990431
Product of the distinct prime numbers
The prime factorization of 1990990431 is 9 × 89 × 2485631.
Since it has a total of 3 prime factors.
5 , 7 , 61 , 50 , 617 , 227 , 6606 , 8408 , 355 , 26179 , 344073 , 518891 , 6177126 , 9718678 , 17611065 , 44788505 , 520477742 , 755851700 , 2993439468 , 2343733504
n×2
3981980862
n×3
5972971293
n×4
7963961724
n×5
9954952155
n÷2
995495215.5
n÷3
663663477
n÷3
497747607.75
n÷5
398198086.2
n2
3964042896333565761
n3
7.8923714746737E+27
n4
1.5713636083973E+37
n5
3.1285699079406E+46
2 √n
44620.515808314
3 √n
1258.0263109712
4 √n
211.23568781888
5 √n
72.412548860722
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
-1990990430
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 1990990431 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990990431) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101011000001101001011111
3
Ternary
12010202101210102100
4
Quaternary
1312223001221133
5
Quinary
13034143143211
6
Senary
525321500143
8
Octal
16653015137
10
Decimal
1990990431
12
Duodecimal
476941653
16
Hexadecimal
76ac1a5f
20
Vigesimal
1b23dg1b
36
Base36
wxdu1r
md5
b7e2bc129dccc16364c867436bbe4be1
sha1
0c126ee2817f8b44f5cc6a0e4ab6ae330c6c3130
sha256
6de02ef4c272dd1b43c21e1925bdb9b7b9e9a538045e6fae58e108b73fbd1113
sha512
0ef5a4024479d0a6ae16435e76c06d616c71bcbbb5db272eb87466ae8cd17889995c75f3b811b913b47eb3d2fcb1c640b08272a205d4fb8868ace8d4f30a3218
ripemd-160
789098a8cc1b68a8842feff6e0220dabd0b06f5d
Diameter
3981980862
Circumference
12509761822.794
Area
1.2453408041636E+19
Volume
3.3059488325649E+28
Surface area
4.9813632166545E+19
Circumference
12509761822.794
Perimeter
7963961724
Area
3964042896333565761
Diagonal
2815685670.0753
Surface area
2.3784257378001E+19
Volume
7.8923714746737E+27
Space diagonal
3448496583.8755
Perimeter
5972971293
Area
1.7164809249581E+18
Altitude
1724248291.9377
Surface area
1.7164809249581E+18
Volume
9.3012489823084E+26
Height
938561890.02508