989668857 is an odd 9-digits composite number following 989668856
and preceding 989668858 . In scientific notation, it is written as 9.89668857 × 10^8.
The sum of its digits is 66. It has a total of 3 prime factors and 8 positive divisors.
There are 658823040 positive integers (up to 989668857) that are relatively prime to 989668857.
989668857 has 8 divisors, whose sum is 1321470880
The reverse of 989668857 is 758866989
Previous prime number is 691
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 66
Digital Root 3
Name
nine hundred eighty-nine million six hundred sixty-eight thousand eight hundred fifty-seven
Scientific notation
9.89668857 × 10^8
Engineering notation
9.89668857 × 10^6
Prime Factorization
3 × 691 × 477409
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
989668857
Product of the distinct prime numbers
The prime factorization of 989668857 is 3 × 691 × 477409.
Since it has a total of 3 prime factors.
7 , 10 , 53 , 3 , 592 , 588 , 7032 , 9918 , 28804 , 52912 , 424305 , 765094 , 7174798 , 7652015 , 60197405 , 18668909 , 874396627 , 769372851 , 1141230241 , 1207038398
n×2
1979337714
n×3
2969006571
n×4
3958675428
n×5
4948344285
n÷2
494834428.5
n÷3
329889619
n÷3
247417214.25
n÷5
197933771.4
n2
979444446515686449
n3
9.6932566587818E+26
n4
9.5931142381042E+35
n5
9.494006403095E+44
2 √n
31459.002797292
3 √n
996.5443579599
4 √n
177.36685935454
5 √n
62.964822123768
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
-989668856
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 989668857 can be divided by 8 positive divisors.
The sum of these divisors (counting 989668857) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010111111010010010111111001
3
Ternary
2112222020101110010
4
Quaternary
322333102113321
5
Quinary
4011323400412
6
Senary
242112012133
8
Octal
7277222771
10
Decimal
989668857
12
Duodecimal
237531049
16
Hexadecimal
3afd25f9
20
Vigesimal
f958c2h
36
Base36
gd81dl
md5
6d5834e9126ccc1337cb29db74415669
sha1
0e1985388f243941dda1f68d42e816e6e2f30fae
sha256
ecb1042cbe1913bcc28bfb4dc8ce079a26a3210b623ed33907431d6f565ac412
sha512
3153ec32040a4db8e7fdb244118166abe09ce13a967f8556170b05a2e4744585f335c0ffb86e0bb90a35e71017ca7a5ffd0d2f02108ebd19c788d1fe6f417d75
ripemd-160
4bfe47ea1d69bf7c7a78073d4b73c75843aa1c69
Diameter
1979337714
Circumference
6218272821.2756
Area
3.077015477773E+18
Volume
4.0603018544786E+27
Surface area
1.2308061911092E+19
Circumference
6218272821.2756
Perimeter
3958675428
Area
979444446515686449
Diagonal
1399603119.8277
Surface area
5876666679094118694
Volume
9.6932566587818E+26
Space diagonal
1714156742.9926
Perimeter
2969006571
Area
4.2411188613909E+17
Altitude
857078371.49631
Surface area
4.2411188613909E+17
Volume
1.1423612525344E+26
Height
466534373.27589