989891 is an odd 6-digits composite number following 989890
and preceding 989892 . In scientific notation, it is written as 9.89891 × 10^5.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 848472 positive integers (up to 989891) that are relatively prime to 989891.
989891 has 4 divisors, whose sum is 1131312
The reverse of 989891 is 198989
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 44
Digital Root 8
Name
nine hundred eighty-nine thousand eight hundred ninety-one
Scientific notation
9.89891 × 10^5
Engineering notation
9.89891 × 10^3
Prime Factorization
7 × 141413
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
989891
Product of the distinct prime numbers
The prime factorization of 989891 is 7 × 141413.
Since it has a total of 2 prime factors.
2 , 5 , 57 , 44 , 831 , 587 , 4936 , 4078 , 22201 , 27834 , 11855 , 449801 , 3859251 , 8912125 , 3072124 , 12552838 , 384871812 , 486454339 , 118897892 , 8676127185
n×2
1979782
n×3
2969673
n×4
3959564
n×5
4949455
n÷2
494945.5
n÷3
329963.66666667
n÷3
247472.75
n÷5
197978.2
n2
979884191881
n3
969978542585274971
n4
9.6017302949828E+23
n5
9.5046664034308E+29
2 √n
994.93266103792
3 √n
99.661891447792
4 √n
31.542553178808
5 √n
15.816758191971
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
-989890
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 989891 can be divided by 4 positive divisors.
The sum of these divisors (counting 989891) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110001101011000011
3
Ternary
1212021212122
4
Quaternary
3301223003
5
Quinary
223134031
6
Senary
33114455
8
Octal
3615303
10
Decimal
989891
12
Duodecimal
3b8a2b
16
Hexadecimal
f1ac3
20
Vigesimal
63eeb
36
Base36
l7sz
md5
0fb7d5af86a0547e32320c5435636a6c
sha1
b450b4fc7ddedf79c727feb7fec443fa39dae534
sha256
5bd6c9d7de4ff7931cc702adb20bed37a4fcb3f11aa8cc05637c4a5ffa02de08
sha512
45348b396b34f954352f7f8311289b191c7f8d1b68539d25551f4170be6a8e582805fa7b2877d8958eb696af112d0f2ebb6847d12b8fec866607e7926c85fac6
ripemd-160
0799883ff711b8edbff91c90f0012a981a52402e
Diameter
1979782
Circumference
6219668.5869093
Area
3078396978582.1
Volume
4.0630366180342E+18
Surface area
12313587914328
Circumference
6219668.5869093
Perimeter
3959564
Area
979884191881
Diagonal
1399917.2774711
Surface area
5879305151286
Volume
969978542585274971
Space diagonal
1714541.5059552
Perimeter
2969673
Area
424302301467.87
Altitude
857270.75297758
Surface area
424302301467.87
Volume
1.1431306751125E+17
Height
466639.09249036