989812891 is an odd 9-digits composite number following 989812890
and preceding 989812892 . In scientific notation, it is written as 9.89812891 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 955681384 positive integers (up to 989812891) that are relatively prime to 989812891.
989812891 has 4 divisors, whose sum is 1023944400
The reverse of 989812891 is 198218989
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
nine hundred eighty-nine million eight hundred twelve thousand eight hundred ninety-one
Scientific notation
9.89812891 × 10^8
Engineering notation
9.89812891 × 10^6
Prime Factorization
29 × 34131479
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
989812891
Product of the distinct prime numbers
The prime factorization of 989812891 is 29 × 34131479.
Since it has a total of 2 prime factors.
10 , 8 , 51 , 65 , 127 , 823 , 366 , 7285 , 66566 , 90798 , 670284 , 583687 , 5613351 , 2687661 , 60160543 , 66173503 , 841727339 , 627312121 , 3580971955 , 4015929199
n×2
1979625782
n×3
2969438673
n×4
3959251564
n×5
4949064455
n÷2
494906445.5
n÷3
329937630.33333
n÷3
247453222.75
n÷5
197962578.2
n2
979729559189777881
n3
9.6974894737979E+26
n4
9.598700091502E+35
n5
9.5009170874115E+44
2 √n
31461.291947407
3 √n
996.59270049599
4 √n
177.37331238776
5 √n
62.966654766518
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
-989812890
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 989812891 can be divided by 4 positive divisors.
The sum of these divisors (counting 989812891) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010111111110101100010011011
3
Ternary
2112222111201000201
4
Quaternary
322333311202123
5
Quinary
4011343003031
6
Senary
242115043031
8
Octal
7277654233
10
Decimal
989812891
12
Duodecimal
2375a0477
16
Hexadecimal
3aff589b
20
Vigesimal
f966c4b
36
Base36
gdb4ij
md5
04e1ff9e28f954ac936c0232f86e3b34
sha1
6019a595e30069e8bc4e3a69d45900ee3436a329
sha256
852a523bbfa5c11331613ce15e9ed900867352f3d90312bd82cde11d98154c31
sha512
fcd95985522111ad089beefac53f1890751d7441242c9ab9333662b4eb8eef4d9665de326cb51b855cc6f5e3924796342765265c343937ba562458f5e2dd31df
ripemd-160
d4e42e8c36fd8cf3d8a3980d74742fb9d3bf9309
Diameter
1979625782
Circumference
6219177813.5881
Area
3.0779111856554E+18
Volume
4.0620748918864E+27
Surface area
1.2311644742621E+19
Circumference
6219177813.5881
Perimeter
3959251564
Area
979729559189777881
Diagonal
1399806814.6639
Surface area
5878377355138667286
Volume
9.6974894737979E+26
Space diagonal
1714406217.1986
Perimeter
2969438673
Area
4.2423534354844E+17
Altitude
857203108.59932
Surface area
4.2423534354844E+17
Volume
1.1428600945679E+26
Height
466602271.55464