21431181 is an odd 8-digits composite number following 21431180
and preceding 21431182 . In scientific notation, it is written as 2.1431181 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 14115152 positive integers (up to 21431181) that are relatively prime to 21431181.
21431181 has 8 divisors, whose sum is 28919520
The reverse of 21431181 is 18113412
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million four hundred thirty-one thousand one hundred eighty-one
Scientific notation
2.1431181 × 10^7
Engineering notation
2.1431181 × 10^6
Prime Factorization
3 × 83 × 86069
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21431181
Product of the distinct prime numbers
The prime factorization of 21431181 is 3 × 83 × 86069.
Since it has a total of 3 prime factors.
7 , 2 , 98 , 60 , 243 , 19 , 9139 , 7015 , 53595 , 61156 , 985780 , 11169 , 1329677 , 8533144 , 67454715 , 95628522 , 224540001 , 358932018 , 3718536966 , 8359606830
n×2
42862362
n×3
64293543
n×4
85724724
n×5
107155905
n÷2
10715590.5
n÷3
7143727
n÷3
5357795.25
n÷5
4286236.2
n2
459295519054761
n3
9.8432454013515E+21
n4
2.1095237382378E+29
n5
4.5209585057971E+36
2 √n
4629.3823562112
3 √n
277.76788675299
4 √n
68.039564638607
5 √n
29.255614240857
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21431180
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21431181 can be divided by 8 positive divisors.
The sum of these divisors (counting 21431181) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001110000001110001101
3
Ternary
1111022211001110
4
Quaternary
1101300032031
5
Quinary
20441244211
6
Senary
2043202233
8
Octal
121601615
10
Decimal
21431181
12
Duodecimal
7216379
16
Hexadecimal
147038d
20
Vigesimal
6dihj1
36
Base36
crcel
md5
be0d5ef4b6746ef6003aa829b1a3e19e
sha1
04007dce41ce9a6213a3ef6fe754367a73dc10d8
sha256
d24c396dcb61846f08d2b66707253d8ec5ef2c57b3585e2f131e01532d6b5c5f
sha512
7bc54eb1d8096035bb4226ef3acfeeef6ab37b97149a798e8b831c79d69815c34af3b086245caca32303e59e74c25323955c0e5fe003cfcc74a2d23b6429ad66
ripemd-160
d22532a7d556b910db5e6516d2afa36feab6ed0a
Diameter
42862362
Circumference
134656081.57471
Area
1.4429194284891E+15
Volume
4.123128992049E+22
Surface area
5.7716777139566E+15
Circumference
134656081.57471
Perimeter
85724724
Area
459295519054761
Diagonal
30308266.827873
Surface area
2755773114328566
Volume
9.8432454013515E+21
Space diagonal
37119894.358205
Perimeter
64293543
Area
1.9888079367289E+14
Altitude
18559947.179102
Surface area
1.9888079367289E+14
Volume
1.1600375953632E+21
Height
10102755.609291