1990494758 is an even 10-digits composite number following 1990494757
and preceding 1990494759 . In scientific notation, it is written as 1.990494758 × 10^9.
The sum of its digits is 56. It has a total of 5 prime factors and 24 positive divisors.
There are 804762000 positive integers (up to 1990494758) that are relatively prime to 1990494758.
1990494758 has 24 divisors, whose sum is 3474754200
The reverse of 1990494758 is 8574940991
Previous prime number is 4769
Is Prime? no
Number parity even
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion nine hundred ninety million four hundred ninety-four thousand seven hundred fifty-eight
Scientific notation
1.990494758 × 10^9
Engineering notation
1.990494758 × 10^9
Prime Factorization
2 × 7 × 7 × 4769 × 4259
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
284356394
Product of the distinct prime numbers
The prime factorization of 1990494758 is 2 × 7 × 7 × 4769 × 4259.
Since it has a total of 5 prime factors.
9 , 4 , 95 , 60 , 618 , 498 , 2906 , 866 , 9069 , 93308 , 243621 , 96443 , 7885598 , 4118757 , 77107878 , 40297649 , 56875893 , 374304873 , 6660843834 , 931570933
n×2
3980989516
n×3
5971484274
n×4
7961979032
n×5
9952473790
n÷2
995247379
n÷3
663498252.66667
n÷3
497623689.5
n÷5
398098951.6
n2
3962069381625478564
n3
7.8864783349578E+27
n4
1.5697993784814E+37
n5
3.1246774339789E+46
2 √n
44614.961145338
3 √n
1257.921903734
4 √n
211.22253938758
5 √n
72.408942964919
1 , 2 , 7 , 14 , 49 , 98 , 4259 , 4769 , 8518 , 9538 , 29813 , 33383 , 59626 , 66766 , 208691 , 233681 , 417382 , 467362 , 20311171 , 40622342 , 142178197 , 284356394 , 995247379 , 1990494758
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990494757
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990494758 can be divided by 24 positive divisors.
The sum of these divisors (counting 1990494758) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110101001001000101000100110
3
Ternary
12010201110121111002
4
Quaternary
1312221020220212
5
Quinary
13034031313013
6
Senary
525303113302
8
Octal
16651105046
10
Decimal
1990494758
12
Duodecimal
476742832
16
Hexadecimal
76a48a26
20
Vigesimal
1b20bghi
36
Base36
wx37l2
md5
6c9150cf0a1c9b0163874361a066c130
sha1
a8fade3f7edacbabf433e64cb462b5513e22212c
sha256
6dcfb4db0a423f2ed1d869b1f3b7b055ab31858654037891c62c736e29884ddb
sha512
dafb6876510a9f4f443efa2760c2c8934449ebba099afe121da17c5690d7ef26c81f64c50b6c3020fecb8676626cbdc33737f15b07c019d8338aff96f4d076ec
ripemd-160
7ad0f5c26021b53a5a0f4b7c14c7951fa499500d
Diameter
3980989516
Circumference
12506647417.484
Area
1.2447208062328E+19
Volume
3.3034803199731E+28
Surface area
4.9788832249311E+19
Circumference
12506647417.484
Perimeter
7961979032
Area
3962069381625478564
Diagonal
2814984682.5962
Surface area
2.3772416289753E+19
Volume
7.8864783349578E+27
Space diagonal
3447638053.0555
Perimeter
5971484274
Area
1.7156263680221E+18
Altitude
1723819026.5278
Surface area
1.7156263680221E+18
Volume
9.2943038505491E+26
Height
938328227.53205