990802021 is an odd 9-digits composite number following 990802020
and preceding 990802022 . In scientific notation, it is written as 9.90802021 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 867672000 positive integers (up to 990802021) that are relatively prime to 990802021.
990802021 has 16 divisors, whose sum is 1121125248
The reverse of 990802021 is 120208099
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
nine hundred ninety million eight hundred two thousand twenty-one
Scientific notation
9.90802021 × 10^8
Engineering notation
9.90802021 × 10^6
Prime Factorization
11 × 101 × 37 × 24103
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
990802021
Product of the distinct prime numbers
The prime factorization of 990802021 is 11 × 101 × 37 × 24103.
Since it has a total of 4 prime factors.
6 , 6 , 7 , 28 , 555 , 638 , 279 , 6024 , 15110 , 319 , 931033 , 431666 , 1735062 , 6648775 , 52850361 , 62446175 , 356753447 , 533652934 , 4316455426 , 8965318314
n×2
1981604042
n×3
2972406063
n×4
3963208084
n×5
4954010105
n÷2
495401010.5
n÷3
330267340.33333
n÷3
247700505.25
n÷5
198160404.2
n2
981688644817684441
n3
9.7265909327811E+26
n4
9.6371259536398E+35
n5
9.5484838714979E+44
2 √n
31477.007815229
3 √n
996.92455835488
4 √n
177.41760852641
5 √n
62.979234381719
1 , 11 , 37 , 101 , 407 , 1111 , 3737 , 24103 , 41107 , 265133 , 891811 , 2434403 , 9809921 , 26778433 , 90072911 , 990802021
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
-990802020
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 990802021 can be divided by 16 positive divisors.
The sum of these divisors (counting 990802021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011000011100111000001100101
3
Ternary
2120001100221212011
4
Quaternary
323003213001211
5
Quinary
4012121131041
6
Senary
242152154221
8
Octal
7303470145
10
Decimal
990802021
12
Duodecimal
237998971
16
Hexadecimal
3b0e7065
20
Vigesimal
f9ca511
36
Base36
gdwbqd
md5
733d8969147f825e076668e53179ae71
sha1
72943100f664ec8fe224bcd4444f1a8c21a5c199
sha256
ee50ee2642b5f4e775ff0adbc9790dac699b46ba31d146dd3c0dc4a6b5d92bf4
sha512
110a4c9aa76dd00c278480d64daa62518f71c6ff4678cb87a238b77cf9f01daee9eab9a948b5f15e11d5c0523b56c77aaa26d6026830587e7a8bc85b01c6b2ce
ripemd-160
cbf3b17eedb7b3706e3fa0ecf2a76aec0875eace
Diameter
1981604042
Circumference
6225392700.671
Area
3.0840658346718E+18
Volume
4.0742648825198E+27
Surface area
1.2336263338687E+19
Circumference
6225392700.671
Perimeter
3963208084
Area
981688644817684441
Diagonal
1401205655.7249
Surface area
5890131868906106646
Volume
9.7265909327811E+26
Space diagonal
1716119440.6139
Perimeter
2972406063
Area
4.2508365250942E+17
Altitude
858059720.30696
Surface area
4.2508365250942E+17
Volume
1.1462897343995E+26
Height
467068551.90829