331 is an odd 3-digits prime number following 330
and preceding 332 . In scientific notation, it is written as 3.31 × 10^2.
The sum of its digits is 7. It has a total of 1 prime factors and 2 positive divisors.
There are 330 positive integers (up to 331) that are relatively prime to 331.
331 has 2 divisors, whose sum is 332
The reverse of 331 is 133
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 3
Sum of Digits 7
Digital Root 7
Name
three hundred thirty-one
Scientific notation
3.31 × 10^2
Engineering notation
3.31 × 10^0
Prime Factorization
331
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
331
Product of the distinct prime numbers
The prime factorization of 331 is 331.
Since it has a total of 1 prime factors.
4 , 6 , 59 , 72 , 406 , 802 , 9149 , 1434 , 27018 , 87913 , 776411 , 472253 , 2465965 , 6245847 , 1659020 , 60532793 , 182734792 , 11146606 , 4373668531 , 7141398263
n×2
662
n×3
993
n×4
1324
n×5
1655
n÷2
165.5
n÷3
110.33333333333
n÷3
82.75
n÷5
66.2
n2
109561
n3
36264691
n4
12003612721
n5
3973195810651
2 √n
18.19340539866
3 √n
6.9173964166092
4 √n
4.2653728323161
5 √n
3.1912850576754
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
332
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
166
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
18.220867158289
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9939759036145
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 331 can be divided by 2 positive divisors.
The sum of these divisors (counting 331) is 332, the average is 166.
Base
System
Value
2
Binary
101001011
3
Ternary
110021
4
Quaternary
11023
5
Quinary
2311
6
Senary
1311
8
Octal
513
10
Decimal
331
12
Duodecimal
237
16
Hexadecimal
14b
20
Vigesimal
gb
36
Base36
97
md5
6da37dd3139aa4d9aa55b8d237ec5d4a
sha1
c28097ad29ab61bfec58d9b4de53bcdec687872e
sha256
0bba869d7f392cbcaca6b8935ddc7fc3a8c50846d884959333fb7da475957511
sha512
64a6ca7074f7c31c6bd8e5f4f0e690f595652f80fc7797e7ae8140731898650fe170ff53b2debd7380c50cd5a631cc79c66c813a8985e4ca1499307ff5360122
ripemd-160
bb0010e6814e60efb7b9acd969b82adba8fb8264
Diameter
662
Circumference
2079.7343366764
Area
344196.03271995
Volume
151905182.44041
Surface area
1376784.1308798
Circumference
2079.7343366764
Perimeter
1324
Area
109561
Diagonal
468.10468914549
Surface area
657366
Volume
36264691
Space diagonal
573.3088173053
Perimeter
993
Area
47441.304632013
Altitude
286.65440865265
Surface area
47441.304632013
Volume
4273834.8206225
Height
156.03489638183