1990990544 is an even 10-digits composite number following 1990990543
and preceding 1990990545 . In scientific notation, it is written as 1.990990544 × 10^9.
The sum of its digits is 50. It has a total of 6 prime factors and 20 positive divisors.
There are 943100640 positive integers (up to 1990990544) that are relatively prime to 1990990544.
1990990544 has 20 divisors, whose sum is 4060573440
The reverse of 1990990544 is 4450990991
Previous prime number is 19
Is Prime? no
Number parity even
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion nine hundred ninety million nine hundred ninety thousand five hundred forty-four
Scientific notation
1.990990544 × 10^9
Engineering notation
1.990990544 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 19 × 6549311
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
248873818
Product of the distinct prime numbers
The prime factorization of 1990990544 is 2 × 2 × 2 × 2 × 19 × 6549311.
Since it has a total of 6 prime factors.
10 , 4 , 11 , 39 , 110 , 54 , 7400 , 9175 , 45068 , 71010 , 31130 , 107492 , 9113635 , 138938 , 47485694 , 40835556 , 149599102 , 18843080 , 4057905459 , 6582243791
n×2
3981981088
n×3
5972971632
n×4
7963962176
n×5
9954952720
n÷2
995495272
n÷3
663663514.66667
n÷3
497747636
n÷5
398198108.8
n2
3964043346297415936
n3
7.8923728184843E+27
n4
1.5713639651325E+37
n5
3.1285707957611E+46
2 √n
44620.517074548
3 √n
1258.0263347712
4 √n
211.23569081608
5 √n
72.412549682687
1 , 2 , 4 , 8 , 16 , 19 , 38 , 76 , 152 , 304 , 6549311 , 13098622 , 26197244 , 52394488 , 104788976 , 124436909 , 248873818 , 497747636 , 995495272 , 1990990544
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990990543
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990990544 can be divided by 20 positive divisors.
The sum of these divisors (counting 1990990544) is 1, the average is 0.05.
Base
System
Value
2
Binary
1110110101011000001101011010000
3
Ternary
12010202101210120112
4
Quaternary
1312223001223100
5
Quinary
13034143144134
6
Senary
525321500452
8
Octal
16653015320
10
Decimal
1990990544
12
Duodecimal
476941728
16
Hexadecimal
76ac1ad0
20
Vigesimal
1b23dg74
36
Base36
wxdu4w
md5
80d4d280e94d86fc267ca8bec08c4b7c
sha1
b9ab63de455d1d12d533c0bc0a11a07cf84519e5
sha256
4d7aeb3eb1a2ee363308ba74907b4b8d2c1d3fea31270576f287311fd640ed04
sha512
e9074aec0856adf23f5fca3eb5065beb310747e21f9c3ff9fad188b4d3b58c9101780a7efae72347a5a78deaa083e295b7ec3f604d8df954c21408c7b5d23f2b
ripemd-160
0bf2cfccfacdd2717576165d9aca0697296efe28
Diameter
3981981088
Circumference
12509762532.794
Area
1.2453409455239E+19
Volume
3.3059493954589E+28
Surface area
4.9813637820958E+19
Circumference
12509762532.794
Perimeter
7963962176
Area
3964043346297415936
Diagonal
2815685829.8814
Surface area
2.3784260077784E+19
Volume
7.8923728184843E+27
Space diagonal
3448496779.5972
Perimeter
5972971632
Area
1.7164811197981E+18
Altitude
1724248389.7986
Surface area
1.7164811197981E+18
Volume
9.3012505660044E+26
Height
938561943.2938