989806985 is an odd 9-digits composite number following 989806984
and preceding 989806986 . In scientific notation, it is written as 9.89806985 × 10^8.
The sum of its digits is 62. It has a total of 2 prime factors and 4 positive divisors.
There are 791845584 positive integers (up to 989806985) that are relatively prime to 989806985.
989806985 has 4 divisors, whose sum is 1187768388
The reverse of 989806985 is 589608989
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 62
Digital Root 8
Name
nine hundred eighty-nine million eight hundred six thousand nine hundred eighty-five
Scientific notation
9.89806985 × 10^8
Engineering notation
9.89806985 × 10^6
Prime Factorization
5 × 197961397
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
989806985
Product of the distinct prime numbers
The prime factorization of 989806985 is 5 × 197961397.
Since it has a total of 2 prime factors.
7 , 9 , 50 , 97 , 772 , 118 , 8396 , 7311 , 64897 , 28549 , 552208 , 950468 , 9840066 , 2791999 , 43719148 , 77068570 , 135005089 , 205687898 , 9395010454 , 5368289702
n×2
1979613970
n×3
2969420955
n×4
3959227940
n×5
4949034925
n÷2
494903492.5
n÷3
329935661.66667
n÷3
247451746.25
n÷5
197961397
n2
979717867554790225
n3
9.6973158863504E+26
n4
9.5984710000611E+35
n5
9.5006336411804E+44
2 √n
31461.198085896
3 √n
996.59071834082
4 √n
177.3730478001
5 √n
62.966579624649
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
-989806984
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 989806985 can be divided by 4 positive divisors.
The sum of these divisors (counting 989806985) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010111111110100000110001001
3
Ternary
2112222111101220222
4
Quaternary
322333310012021
5
Quinary
4011342310420
6
Senary
242114555425
8
Octal
7277640611
10
Decimal
989806985
12
Duodecimal
237598b75
16
Hexadecimal
3aff4189
20
Vigesimal
f965h95
36
Base36
gdazyh
md5
0093598d1c8316ea1e9f7548ecc00ad7
sha1
eb6e2ef9d7152efe42e2fa2d9bc81fc1e3daefa3
sha256
dff6d18cb465cbee23d8dea06ddb14d0f9071bf8c26733ee66859117a4a946ec
sha512
be8003230374906e0e68839724e79426713e2cbf2dc9ad0019a0e53a87e396524c6325230e7a8d059e7538f4b0462a2f92c6ca74d9122f1f42ed44c8c1506752
ripemd-160
7844562323f8e3b058f08bd804081c1f136cb1b8
Diameter
1979613970
Circumference
6219140705.0957
Area
3.0778744553008E+18
Volume
4.0620021797464E+27
Surface area
1.2311497821203E+19
Circumference
6219140705.0957
Perimeter
3959227940
Area
979717867554790225
Diagonal
1399798462.3186
Surface area
5878307205328741350
Volume
9.6973158863504E+26
Space diagonal
1714395987.7066
Perimeter
2969420955
Area
4.2423028092198E+17
Altitude
857197993.85328
Surface area
4.2423028092198E+17
Volume
1.1428396370911E+26
Height
466599487.43954