989842991 is an odd 9-digits composite number following 989842990
and preceding 989842992 . In scientific notation, it is written as 9.89842991 × 10^8.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 987491400 positive integers (up to 989842991) that are relatively prime to 989842991.
989842991 has 4 divisors, whose sum is 992194584
The reverse of 989842991 is 199248989
Previous prime number is 421
Is Prime? no Number parity odd Number length 9 Sum of Digits 59 Digital Root 5
Name
nine hundred eighty-nine million eight hundred forty-two thousand nine hundred ninety-one
Scientific notation
9.89842991 × 10^8
Engineering notation
9.89842991 × 10^6
Prime Factorization
421 × 2351171
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
989842991 Product of the distinct prime numbers
The prime factorization of 989842991 is 421 × 2351171.
Since it has a total of 2 prime factors.
3 , 7 , 83 , 80 , 684 , 518 , 7507 , 2253 , 64086 , 19765 , 612631 , 5827 , 1872904 , 123996 , 20506929 , 63037578 , 696754345 , 99435858 , 8463551263 , 6650286851
n×2
1979685982
n×3
2969528973
n×4
3959371964
n×5
4949214955
n÷2
494921495.5
n÷3
329947663.66667
n÷3
247460747.75
n÷5
197968598.2
n2
979789146831826081
n3
9.6983741964935E+26
n4
9.5998677224944E+35
n5
9.5023617796382E+44
2 √n31461.770309377
3 √n996.60280245111
4 √n177.37466084359
5 √n62.967037722382
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
-989842990 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 989842991 can be divided by 4 positive divisors.
The sum of these divisors (counting 989842991) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010111111111100111000101111
3
Ternary
2112222120020022112
4
Quaternary
322333330320233
5
Quinary
4011344433431
6
Senary
242115434235
8
Octal
7277747057
10
Decimal
989842991
12
Duodecimal
2375b597b
16
Hexadecimal
3affce2f
20
Vigesimal
f96a79b
36
Base36
gdbrqn
md5
dfd83bd2a97611bbd3017406bf52d0ab
sha1
37cff28a4694d88b5ce308753a0acb3a04a848d6
sha256
2cc7228f247dc8c058b54f0ff6f6e5a84f0f2b9211265569fcd403d358c491f4
sha512
c96fd8325b84c671855738f4ab05cbc547d0dc0ca6c2a8cc76d352aae84288b92add23b0c9b9898a103aec5f86e8b1788133898efb252fd6ab7229f6971bb1b9
ripemd-160
53e3b52343570104f1bb1a0a9fb303290fc32a87
Diameter
1979685982
Circumference
6219366937.4659
Area
3.0780983857539E+18
Volume
4.0624454836625E+27
Surface area
1.2312393543016E+19
Circumference
6219366937.4659
Perimeter
3959371964
Area
979789146831826081
Diagonal
1399849382.4921
Surface area
5878734880990956486
Volume
9.6983741964935E+26
Space diagonal
1714458351.9279
Perimeter
2969528973
Area
4.2426114575432E+17
Altitude
857229175.96397
Surface area
4.2426114575432E+17
Volume
1.1429643601375E+26
Height
466616460.83072