11871 is an odd 5-digits composite number following 11870
and preceding 11872 . In scientific notation, it is written as 1.1871 × 10^4.
The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors.
There are 7908 positive integers (up to 11871) that are relatively prime to 11871.
11871 has 4 divisors, whose sum is 13200
The reverse of 11871 is 17811
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 18
Digital Root 9
Name
eleven thousand eight hundred seventy-one
Scientific notation
1.1871 × 10^4
Engineering notation
1.1871 × 10^3
Prime Factorization
9 × 1319
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
11871
Product of the distinct prime numbers
The prime factorization of 11871 is 9 × 1319.
Since it has a total of 2 prime factors.
1 , 4 , 86 , 31 , 655 , 151 , 9921 , 5065 , 82950 , 20634 , 188422 , 100173 , 9862720 , 1354577 , 48275235 , 46843465 , 88561842 , 802559483 , 1354283523 , 5671931104
n×2
23742
n×3
35613
n×4
47484
n×5
59355
n÷2
5935.5
n÷3
3957
n÷3
2967.75
n÷5
2374.2
n2
140920641
n3
1672868929311
n4
19858627059850881
n5
2.3574176182749E+20
2 √n
108.95411878401
3 √n
22.81195125971
4 √n
10.4381089659
5 √n
6.5297636360549
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
-11870
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 11871 can be divided by 4 positive divisors.
The sum of these divisors (counting 11871) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001011111
3
Ternary
121021200
4
Quaternary
2321133
5
Quinary
334441
6
Senary
130543
8
Octal
27137
10
Decimal
11871
12
Duodecimal
6a53
16
Hexadecimal
2e5f
20
Vigesimal
19db
36
Base36
95r
md5
ebc2aa04e75e3caabda543a1317160c0
sha1
e7b4299fa58fc5e7722b683b4c429eb6fd6f2038
sha256
55968207e46b103c597706f9ced04f308ff5da92d1aa7ff34ce6ea10d9e6b67d
sha512
2719d7d1ae08851a0776147243906771ccf68a431e06170611cac6cfb836abbcd1366919648b391830845afc094fc2929e624798188bf2cdba27f57923ccfa30
ripemd-160
22cdcdd14d5fdbba5ff0c319caf4ebf33e961624
Diameter
23742
Circumference
74587.692781529
Area
442715250.50476
Volume
7007296984989.4
Surface area
1770861002.0191
Circumference
74587.692781529
Perimeter
47484
Area
140920641
Diagonal
16788.129198931
Surface area
845523846
Volume
1672868929311
Space diagonal
20561.17513665
Perimeter
35613
Area
61020427.511793
Altitude
10280.587568325
Surface area
61020427.511793
Volume
197149493992.01
Height
5596.0430663103