989868639 is an odd 9-digits composite number following 989868638
and preceding 989868640 . In scientific notation, it is written as 9.89868639 × 10^8.
The sum of its digits is 66. It has a total of 3 prime factors and 8 positive divisors.
There are 621093504 positive integers (up to 989868639) that are relatively prime to 989868639.
989868639 has 8 divisors, whose sum is 1068648048
The reverse of 989868639 is 936868989
Previous prime number is 51
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 66
Digital Root 3
Name
nine hundred eighty-nine million eight hundred sixty-eight thousand six hundred thirty-nine
Scientific notation
9.89868639 × 10^8
Engineering notation
9.89868639 × 10^6
Prime Factorization
17 × 51 × 1141717
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
989868639
Product of the distinct prime numbers
The prime factorization of 989868639 is 17 × 51 × 1141717.
Since it has a total of 3 prime factors.
7 , 10 , 40 , 99 , 482 , 352 , 8120 , 6917 , 46985 , 1203 , 243119 , 205074 , 7850408 , 218942 , 97108571 , 51655833 , 26023988 , 110577147 , 3136082170 , 9077646789
n×2
1979737278
n×3
2969605917
n×4
3959474556
n×5
4949343195
n÷2
494934319.5
n÷3
329956213
n÷3
247467159.75
n÷5
197973727.8
n2
979839922475712321
n3
9.699128104989E+26
n4
9.6008627367721E+35
n5
9.5035929304744E+44
2 √n
31462.177912535
3 √n
996.611410095
4 √n
177.37580982912
5 √n
62.967364029051
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-989868638
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 989868639 can be divided by 8 positive divisors.
The sum of these divisors (counting 989868639) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011000000000011001001011111
3
Ternary
2112222121112111110
4
Quaternary
323000003021133
5
Quinary
4011401244024
6
Senary
242120153103
8
Octal
7300031137
10
Decimal
989868639
12
Duodecimal
237608793
16
Hexadecimal
3b00325f
20
Vigesimal
f96dbbj
36
Base36
gdcbj3
md5
a463ac6f2814e74a8dea965a1dfd50bf
sha1
7165bdf55eba1db121c086ff654583abb78384e5
sha256
77a1eeee70a30e455493f27bfbb48900c3280ee61b1e9a6f90db09033d858a88
sha512
30ffa1ffdedf6e7ab09a7bb533a7ad8c6535946823eb4f7245ef90460475e0cc27e6dd91b0d8c1d52814cb4130c0c82982c0d3924c9f842cb65b3274a5cd72b4
ripemd-160
3500be0a3b68b69ac5cb44528c2275817892ed89
Diameter
1979737278
Circumference
6219528088.6027
Area
3.0782579021437E+18
Volume
4.0627612801146E+27
Surface area
1.2313031608575E+19
Circumference
6219528088.6027
Perimeter
3959474556
Area
979839922475712321
Diagonal
1399885654.2416
Surface area
5879039534854273926
Volume
9.699128104989E+26
Space diagonal
1714502775.5671
Perimeter
2969605917
Area
4.2428313225307E+17
Altitude
857251387.78353
Surface area
4.2428313225307E+17
Volume
1.1430532091058E+26
Height
466628551.41387