89 is an odd 2-digits prime number following 88
and preceding 90 . In scientific notation, it is written as 8.9 × 10^1.
The sum of its digits is 17. It has a total of 1 prime factors and 2 positive divisors.
There are 88 positive integers (up to 89) that are relatively prime to 89.
89 has 2 divisors, whose sum is 90
The reverse of 89 is 98
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 2
Sum of Digits 17
Digital Root 8
Scientific notation
8.9 × 10^1
Engineering notation
8.9 × 10^0
Prime Factorization
89
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
89
Product of the distinct prime numbers
The prime factorization of 89 is 89.
Since it has a total of 1 prime factors.
9 , 8 , 57 , 42 , 647 , 324 , 608 , 706 , 83387 , 50934 , 813765 , 611738 , 9651269 , 6687502 , 91563008 , 9216187 , 869540601 , 521670298 , 5434201653 , 6085918506
n×2
178
n×3
267
n×4
356
n×5
445
n÷2
44.5
n÷3
29.666666666667
n÷3
22.25
n÷5
17.8
n2
7921
n3
704969
n4
62742241
n5
5584059449
2 √n
9.4339811320566
3 √n
4.4647450955845
4 √n
3.0714786556407
5 √n
2.4540194545491
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
90
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
45
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9.4868329805051
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9777777777778
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 89 can be divided by 2 positive divisors.
The sum of these divisors (counting 89) is 90, the average is 45.
Base
System
Value
2
Binary
1011001
3
Ternary
10022
4
Quaternary
1121
5
Quinary
324
6
Senary
225
8
Octal
131
10
Decimal
89
12
Duodecimal
75
16
Hexadecimal
59
20
Vigesimal
49
36
Base36
2h
md5
7647966b7343c29048673252e490f736
sha1
16b06bd9b738835e2d134fe8d596e9ab0086a985
sha256
cd70bea023f752a0564abb6ed08d42c1440f2e33e29914e55e0be1595e24f45a
sha512
a3f1d1838dfbe3d28a3b5eb40c36c175c051d2eafe9f6a3dd714ca0d221754a91c016cf93cba110bcd09848287dbd7ec0dee3f676c588f830af33b45d845573c
ripemd-160
5fe81cda018fbe2426459475a30a1f08c15de224
Diameter
178
Circumference
559.20349233898
Area
24884.555409085
Volume
2952967.2418781
Surface area
99538.221636339
Circumference
559.20349233898
Perimeter
356
Area
7921
Diagonal
125.86500705121
Surface area
47526
Volume
704969
Space diagonal
154.15252187363
Perimeter
267
Area
3429.8936116883
Altitude
77.076260936815
Surface area
3429.8936116883
Volume
83081.393404383
Height
41.955002350402