1996991638 is an even 10-digits composite number following 1996991637
and preceding 1996991639 . In scientific notation, it is written as 1.996991638 × 10^9.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 975274944 positive integers (up to 1996991638) that are relatively prime to 1996991638.
1996991638 has 8 divisors, whose sum is 3065150088
The reverse of 1996991638 is 8361996991
Previous prime number is 43
Is Prime? no Number parity even Number length 10 Sum of Digits 61 Digital Root 7
Name
one billion nine hundred ninety-six million nine hundred ninety-one thousand six hundred thirty-eight
Scientific notation
1.996991638 × 10^9
Engineering notation
1.996991638 × 10^9
Prime Factorization
2 × 43 × 23220833
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1996991638 Product of the distinct prime numbers
The prime factorization of 1996991638 is 2 × 43 × 23220833.
Since it has a total of 3 prime factors.
5 , 7 , 6 , 26 , 545 , 19 , 7819 , 5070 , 36650 , 60429 , 98947 , 742474 , 8668064 , 7346182 , 66142722 , 53659158 , 27697306 , 73568609 , 7432198358 , 1577481022
n×2
3993983276
n×3
5990974914
n×4
7987966552
n×5
9984958190
n÷2
998495819
n÷3
665663879.33333
n÷3
499247909.5
n÷5
399398327.6
n2
3987975602241923044
n3
7.9639539302251E+27
n4
1.5903949404077E+37
n5
3.1760053971117E+46
2 √n44687.712382712
3 √n1259.2890164564
4 √n211.39468390362
5 √n72.456149241069
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
-1996991637 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 1996991638 can be divided by 8 positive divisors.
The sum of these divisors (counting 1996991638) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000001111010110010010110
3
Ternary
12011011200200112021
4
Quaternary
1313001322302112
5
Quinary
13042212213023
6
Senary
530054243354
8
Octal
16701726226
10
Decimal
1996991638
12
Duodecimal
47895655a
16
Hexadecimal
7707ac96
20
Vigesimal
1b413j1i
36
Base36
x0ygly
md5
fda50e000206995d44791d7a6b7902a7
sha1
fe26993cc09857793108841c16ecd0ca8a682b9a
sha256
d1bb2c33b768b577fcf4e3265dbe1d9e9d80596f037a6b72208cf5d36eec1d27
sha512
14dded4004da00facee2c2294e9c0b04716e02d2db0783d3aff625d246296dffcc7872d53cf0920966ff2059e0bc772151c6d7d741fbefa43c7cded534bc946f
ripemd-160
e5e46f1dea4af94ad4d8776a2b6dc5207aaa56be
Diameter
3993983276
Circumference
12547468518.442
Area
1.2528594854699E+19
Volume
3.3359332214297E+28
Surface area
5.0114379418794E+19
Circumference
12547468518.442
Perimeter
7987966552
Area
3987975602241923044
Diagonal
2824172658.4053
Surface area
2.3927853613452E+19
Volume
7.9639539302251E+27
Space diagonal
3458890979.3062
Perimeter
5990974914
Area
1.726844090607E+18
Altitude
1729445489.6531
Surface area
1.726844090607E+18
Volume
9.3856097151991E+26
Height
941390886.13509