140 is an even 3-digits composite number following 139
and preceding 141 . In scientific notation, it is written as 1.40 × 10^2.
The sum of its digits is 5. It has a total of 4 prime factors and 12 positive divisors.
There are 48 positive integers (up to 140) that are relatively prime to 140.
140 has 12 divisors, whose sum is 336
The reverse of 140 is 041
Previous prime number is 7
Is Prime? no
Number parity even
Number length 3
Sum of Digits 5
Digital Root 5
Scientific notation
1.40 × 10^2
Engineering notation
1.40 × 10^0
Prime Factorization
2 × 2 × 7 × 5
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
70
Product of the distinct prime numbers
The prime factorization of 140 is 2 × 2 × 7 × 5.
Since it has a total of 4 prime factors.
6 , 3 , 60 , 19 , 710 , 766 , 4202 , 3529 , 69340 , 38029 , 823423 , 271252 , 4186041 , 366836 , 51630100 , 90707526 , 356639466 , 983220670 , 5506058627 , 3241625440
n×2
280
n×3
420
n×4
560
n×5
700
n÷2
70
n÷3
46.666666666667
n÷3
35
n÷5
28
n2
19600
n3
2744000
n4
384160000
n5
53782400000
2 √n
11.832159566199
3 √n
5.1924941018511
4 √n
3.4397906282504
5 √n
2.6867397897857
1 , 2 , 4 , 5 , 7 , 10 , 14 , 20 , 28 , 35 , 70 , 140
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-139
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 140 can be divided by 12 positive divisors.
The sum of these divisors (counting 140) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10001100
3
Ternary
12012
4
Quaternary
2030
5
Quinary
1030
6
Senary
352
8
Octal
214
10
Decimal
140
12
Duodecimal
b8
16
Hexadecimal
8c
20
Vigesimal
70
36
Base36
3w
md5
1385974ed5904a438616ff7bdb3f7439
sha1
c28aca23f1ef3718a464383d925c66842078edaa
sha256
dbae772db29058a88f9bd830e957c695347c41b6162a7eb9a9ea13def34be56b
sha512
d1ef34a9edf23c90963f8ebba64e7c7eebf43aeb3fd91d3654a5705ab31a1b9bf2f264120e46a6e8cc401c0f4abcc9589c6e222d3398fe366bd11a984aa2f62b
ripemd-160
45b6610007a5f84cccbce0418d43d927c03ac057
Diameter
280
Circumference
879.64594300514
Area
61575.21601036
Volume
11494040.321934
Surface area
246300.86404144
Circumference
879.64594300514
Perimeter
560
Area
19600
Diagonal
197.98989873223
Surface area
117600
Volume
2744000
Space diagonal
242.48711305964
Perimeter
420
Area
8487.0489570875
Altitude
121.24355652982
Surface area
8487.0489570875
Volume
323383.50126265
Height
65.996632910744