989388639 is an odd 9-digits composite number following 989388638
and preceding 989388640 . In scientific notation, it is written as 9.89388639 × 10^8.
The sum of its digits is 63. It has a total of 2 prime factors and 4 positive divisors.
There are 659592420 positive integers (up to 989388639) that are relatively prime to 989388639.
989388639 has 4 divisors, whose sum is 1099320720
The reverse of 989388639 is 936883989
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 63
Digital Root 9
Name
nine hundred eighty-nine million three hundred eighty-eight thousand six hundred thirty-nine
Scientific notation
9.89388639 × 10^8
Engineering notation
9.89388639 × 10^6
Prime Factorization
9 × 109932071
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
989388639
Product of the distinct prime numbers
The prime factorization of 989388639 is 9 × 109932071.
Since it has a total of 2 prime factors.
10 , 7 , 31 , 73 , 788 , 778 , 8185 , 9367 , 35070 , 77318 , 412606 , 957024 , 856645 , 9825182 , 90291587 , 11349946 , 91267722 , 919744313 , 6897187891 , 977929076
n×2
1978777278
n×3
2968165917
n×4
3957554556
n×5
4946943195
n÷2
494694319.5
n÷3
329796213
n÷3
247347159.75
n÷5
197877727.8
n2
978889878982272321
n3
9.6850252509715E+26
n4
9.5822539517393E+35
n5
9.4805731958637E+44
2 √n
31454.548780741
3 √n
996.4502941644
4 √n
177.35430296652
5 √n
62.961256107713
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
-989388638
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 989388639 can be divided by 4 positive divisors.
The sum of these divisors (counting 989388639) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010111110001101111101011111
3
Ternary
2112221201011001200
4
Quaternary
322332031331133
5
Quinary
4011240414024
6
Senary
242102010543
8
Octal
7276157537
10
Decimal
989388639
12
Duodecimal
237416a53
16
Hexadecimal
3af8df5f
20
Vigesimal
f93dbbj
36
Base36
gd215r
md5
5a5e162fbe5a6cdca77093f0554a452e
sha1
9e9b0ea911999119d14a0e8dc37efd0b3e668bb4
sha256
6fc7f242aefff08da78c89705de870b112049bffab4db132e1ebedd3e17b4639
sha512
2253a464ac8bee4fcfa49c97e80c9399fc5d314ad4c22dcd62043f7bb4d38951f5fce314eb2c3268434070114c2363d09f7d2c7c77c9fd1eaee9d8133fccac5d
ripemd-160
49c6fbe9fe7a959421dab2f52e7dd61d7b990344
Diameter
1978777278
Circumference
6216512159.6552
Area
3.0752732524841E+18
Volume
4.0568538904378E+27
Surface area
1.2301093009936E+19
Circumference
6216512159.6552
Perimeter
3957554556
Area
978889878982272321
Diagonal
1399206831.7317
Surface area
5873339273893633926
Volume
9.6850252509715E+26
Space diagonal
1713671391.1794
Perimeter
2968165917
Area
4.2387175135306E+17
Altitude
856835695.58971
Surface area
4.2387175135306E+17
Volume
1.1413911718208E+26
Height
466402277.24389