989778857 is an odd 9-digits composite number following 989778856
and preceding 989778858 . In scientific notation, it is written as 9.89778857 × 10^8.
The sum of its digits is 68. It has a total of 2 prime factors and 4 positive divisors.
There are 987194196 positive integers (up to 989778857) that are relatively prime to 989778857.
989778857 has 4 divisors, whose sum is 992363520
The reverse of 989778857 is 758877989
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 68
Digital Root 5
Name
nine hundred eighty-nine million seven hundred seventy-eight thousand eight hundred fifty-seven
Scientific notation
9.89778857 × 10^8
Engineering notation
9.89778857 × 10^6
Prime Factorization
383 × 2584279
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
989778857
Product of the distinct prime numbers
The prime factorization of 989778857 is 383 × 2584279.
Since it has a total of 2 prime factors.
10 , 1 , 28 , 74 , 587 , 742 , 8226 , 7992 , 50696 , 71990 , 140669 , 142864 , 9004559 , 1666177 , 27059518 , 1884260 , 821832685 , 435985089 , 3145131454 , 6265851852
n×2
1979557714
n×3
2969336571
n×4
3959115428
n×5
4948894285
n÷2
494889428.5
n÷3
329926285.66667
n÷3
247444714.25
n÷5
197955771.4
n2
979662185764226449
n3
9.6964891847184E+26
n4
9.5973799821634E+35
n5
9.4992837889404E+44
2 √n
31460.751055879
3 √n
996.58127799212
4 √n
177.37178765486
5 √n
62.96622174799
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
-989778856
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 989778857 can be divided by 4 positive divisors.
The sum of these divisors (counting 989778857) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010111111101101001110101001
3
Ternary
2112222102222100012
4
Quaternary
322333231032221
5
Quinary
4011340410412
6
Senary
242114221305
8
Octal
7277551651
10
Decimal
989778857
12
Duodecimal
237584835
16
Hexadecimal
3afed3a9
20
Vigesimal
f96272h
36
Base36
gdae95
md5
be190a101f6a17f81c35a564db1f45eb
sha1
79db6649a0d258a05ec89eb78ea0e2bd6f92652c
sha256
93fd6bd43f56fcb7efa309d47ee6e185afaa0176272f0e322c73a832c49c40d4
sha512
2827e3366fee6d4ea5e002ed23f4e602d2ded3d3d2418ee9048ed019dc319aa3c57d2c8f477647361b95625a9ff218602e4a5f77214fa724d490f2bbb846dd6b
ripemd-160
32421ec3878182c55ef4f887d9e8244b0778319d
Diameter
1979557714
Circumference
6218963971.6594
Area
3.0776995257966E+18
Volume
4.0616558917766E+27
Surface area
1.2310798103186E+19
Circumference
6218963971.6594
Perimeter
3959115428
Area
979662185764226449
Diagonal
1399758683.3195
Surface area
5877973114585358694
Volume
9.6964891847184E+26
Space diagonal
1714347268.5815
Perimeter
2969336571
Area
4.242061699994E+17
Altitude
857173634.29073
Surface area
4.242061699994E+17
Volume
1.1427422093694E+26
Height
466586227.77318