1990494813 is an odd 10-digits composite number following 1990494812
and preceding 1990494814 . In scientific notation, it is written as 1.990494813 × 10^9.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 1326996540 positive integers (up to 1990494813) that are relatively prime to 1990494813.
1990494813 has 4 divisors, whose sum is 2653993088
The reverse of 1990494813 is 3184940991
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 48
Digital Root 3
Name
one billion nine hundred ninety million four hundred ninety-four thousand eight hundred thirteen
Scientific notation
1.990494813 × 10^9
Engineering notation
1.990494813 × 10^9
Prime Factorization
3 × 663498271
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1990494813
Product of the distinct prime numbers
The prime factorization of 1990494813 is 3 × 663498271.
Since it has a total of 2 prime factors.
5 , 8 , 96 , 95 , 643 , 967 , 4949 , 587 , 60842 , 69903 , 961390 , 195616 , 2289540 , 5304813 , 43600863 , 86229341 , 871327800 , 553669572 , 5428389420 , 7466421943
n×2
3980989626
n×3
5971484439
n×4
7961979252
n×5
9952474065
n÷2
995247406.5
n÷3
663498271
n÷3
497623703.25
n÷5
398098962.6
n2
3962069600579904969
n3
7.8864789886993E+27
n4
1.5697995519839E+37
n5
3.1246778656738E+46
2 √n
44614.961761723
3 √n
1257.92191532
4 √n
211.22254084667
5 √n
72.40894336507
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990494812
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990494813 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990494813) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101001001000101001011101
3
Ternary
12010201110121120010
4
Quaternary
1312221020221131
5
Quinary
13034031313223
6
Senary
525303113433
8
Octal
16651105135
10
Decimal
1990494813
12
Duodecimal
476742879
16
Hexadecimal
76a48a5d
20
Vigesimal
1b20bh0d
36
Base36
wx37ml
md5
ad52fd1231731fef2d145c6d07b69cd8
sha1
bab6cb8566f1388383f680fc8ef014c41ba07c3a
sha256
2db2f51ba074e16ce0ae2ab0cfc005af65c207cf03f6b47e780757437fa3a1fd
sha512
753603b85303eafc9dd160975a8106308956b1d8533bd79ee0b0b7b88595557219d9649f759c49f01393a85285d3852f09c4513968792b3d67464736a7138bd3
ripemd-160
2bf13f65cd620a8e55a6e4474f3d746ad0f94537
Diameter
3980989626
Circumference
12506647763.059
Area
1.2447208750193E+19
Volume
3.3034805938117E+28
Surface area
4.9788835000773E+19
Circumference
12506647763.059
Perimeter
7961979252
Area
3962069600579904969
Diagonal
2814984760.3779
Surface area
2.3772417603479E+19
Volume
7.8864789886993E+27
Space diagonal
3447638148.3183
Perimeter
5971484439
Area
1.7156264628321E+18
Altitude
1723819074.1592
Surface area
1.7156264628321E+18
Volume
9.2943046209908E+26
Height
938328253.4593