989819921 is an odd 9-digits composite number following 989819920
and preceding 989819922 . In scientific notation, it is written as 9.89819921 × 10^8.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 976260672 positive integers (up to 989819921) that are relatively prime to 989819921.
989819921 has 4 divisors, whose sum is 1003379172
The reverse of 989819921 is 129918989
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
nine hundred eighty-nine million eight hundred nineteen thousand nine hundred twenty-one
Scientific notation
9.89819921 × 10^8
Engineering notation
9.89819921 × 10^6
Prime Factorization
73 × 13559177
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
989819921
Product of the distinct prime numbers
The prime factorization of 989819921 is 73 × 13559177.
Since it has a total of 2 prime factors.
9 , 1 , 34 , 29 , 750 , 988 , 5930 , 5711 , 19997 , 2083 , 897777 , 530018 , 4083749 , 1818147 , 27265521 , 92741149 , 9599704 , 821987423 , 1598957225 , 8230261662
n×2
1979639842
n×3
2969459763
n×4
3959279684
n×5
4949099605
n÷2
494909960.5
n÷3
329939973.66667
n÷3
247454980.25
n÷5
197963984.2
n2
979743476008446241
n3
9.6976961002295E+26
n4
9.5989727878111E+35
n5
9.5012544865124E+44
2 √n
31461.403671801
3 √n
996.5950598746
4 √n
177.37362732887
5 √n
62.966744208539
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
-989819920
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 989819921 can be divided by 4 positive divisors.
The sum of these divisors (counting 989819921) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010111111110111010000010001
3
Ternary
2112222112001200002
4
Quaternary
322333313100101
5
Quinary
4011343214141
6
Senary
242115135345
8
Octal
7277672021
10
Decimal
989819921
12
Duodecimal
2375a4555
16
Hexadecimal
3aff7411
20
Vigesimal
f9679g1
36
Base36
gdb9xt
md5
5a713fcbba15c56e4c9666073ac2c2a6
sha1
2d9381cbca14365f157d3b6af834ab888c855a8b
sha256
5eab41ac64b73c038cfdf13e61e13e4f99a0b65a2a886527f98426b5ab32c334
sha512
1156364a7de17614db235598e0efe2b87e96acedb655c23db728755d4777efd8096a27defaa3e0eb1564af98bbd32ceef891b371e27b8c95b5d6c7473a38b93f
ripemd-160
6522375b0c88b036eee9dafdd44c7ae26f3a1568
Diameter
1979639842
Circumference
6219221984.3809
Area
3.0779549066307E+18
Volume
4.0621614433636E+27
Surface area
1.2311819626523E+19
Circumference
6219221984.3809
Perimeter
3959279684
Area
979743476008446241
Diagonal
1399816756.5853
Surface area
5878460856050677446
Volume
9.6976961002295E+26
Space diagonal
1714418393.5158
Perimeter
2969459763
Area
4.2424136970769E+17
Altitude
857209196.75791
Surface area
4.2424136970769E+17
Volume
1.1428844457264E+26
Height
466605585.52842