990805842 is an even 9-digits composite number following 990805841
and preceding 990805843 . In scientific notation, it is written as 9.90805842 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 304863264 positive integers (up to 990805842) that are relatively prime to 990805842.
990805842 has 16 divisors, whose sum is 1778369880
The reverse of 990805842 is 248508099
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
nine hundred ninety million eight hundred five thousand eight hundred forty-two
Scientific notation
9.90805842 × 10^8
Engineering notation
9.90805842 × 10^6
Prime Factorization
2 × 9 × 13 × 4234213
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
990805842
Product of the distinct prime numbers
The prime factorization of 990805842 is 2 × 9 × 13 × 4234213.
Since it has a total of 4 prime factors.
3 , 6 , 12 , 93 , 550 , 787 , 610 , 4185 , 25642 , 42460 , 22172 , 915708 , 8768070 , 1171043 , 83258060 , 30740449 , 384501429 , 375421200 , 8484603423 , 7273702756
n×2
1981611684
n×3
2972417526
n×4
3963223368
n×5
4954029210
n÷2
495402921
n÷3
330268614
n÷3
247701460.5
n÷5
198161168.4
n2
981696216541328964
n3
9.7267034641845E+26
n4
9.6372746157156E+35
n5
9.5486679902093E+44
2 √n
31477.068510266
3 √n
996.92583989036
4 √n
177.41777957766
5 √n
62.979282957172
1 , 2 , 9 , 13 , 18 , 26 , 117 , 234 , 4234213 , 8468426 , 38107917 , 55044769 , 76215834 , 110089538 , 495402921 , 990805842
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-990805841
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 990805842 can be divided by 16 positive divisors.
The sum of these divisors (counting 990805842) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011000011100111111101010010
3
Ternary
2120001101011002200
4
Quaternary
323003213331102
5
Quinary
4012121241332
6
Senary
242152224030
8
Octal
7303477522
10
Decimal
990805842
12
Duodecimal
23799b016
16
Hexadecimal
3b0e7f52
20
Vigesimal
f9caec2
36
Base36
gdweoi
md5
b532bd2955f76095769c42f90097b327
sha1
5bce1ed50221f9d75feb4134e4e0bac8491a77dd
sha256
af05a606908271dd88e0cc9a2e585240e8270eeefa6890377e56a24afac309dd
sha512
c4a2474c4cecfabf17f10860269887ecff432eb1cc32f6b641175a117437260c31ca4d96cef0c7a304574b1a9d5656d2205a4427d1c9ecb20352e6ca432de1a4
ripemd-160
512aaba56aaa39851d5be35c06f0030bba3eb3dd
Diameter
1981611684
Circumference
6225416708.7221
Area
3.0840896219431E+18
Volume
4.0743120195638E+27
Surface area
1.2336358487773E+19
Circumference
6225416708.7221
Perimeter
3963223368
Area
981696216541328964
Diagonal
1401211059.4349
Surface area
5890177299247973784
Volume
9.7267034641845E+26
Space diagonal
1716126058.7801
Perimeter
2972417526
Area
4.2508693116193E+17
Altitude
858063029.39003
Surface area
4.2508693116193E+17
Volume
1.1463029963526E+26
Height
467070353.14496