21431186 is an even 8-digits composite number following 21431185
and preceding 21431187 . In scientific notation, it is written as 2.1431186 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 32 positive divisors.
There are 8476416 positive integers (up to 21431186) that are relatively prime to 21431186.
21431186 has 32 divisors, whose sum is 39657600
The reverse of 21431186 is 68113412
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million four hundred thirty-one thousand one hundred eighty-six
Scientific notation
2.1431186 × 10^7
Engineering notation
2.1431186 × 10^6
Prime Factorization
2 × 7 × 17 × 53 × 1699
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21431186
Product of the distinct prime numbers
The prime factorization of 21431186 is 2 × 7 × 17 × 53 × 1699.
Since it has a total of 5 prime factors.
2 , 5 , 17 , 42 , 711 , 140 , 4094 , 4853 , 507 , 46969 , 59725 , 202867 , 4672280 , 7002738 , 43409855 , 39460892 , 203728227 , 328062474 , 3295528932 , 436512689
n×2
42862372
n×3
64293558
n×4
85724744
n×5
107155930
n÷2
10715593
n÷3
7143728.6666667
n÷3
5357796.5
n÷5
4286237.2
n2
459295733366596
n3
9.8432522907859E+21
n4
2.1095257068876E+29
n5
4.5209637796089E+36
2 √n
4629.3828962401
3 √n
277.76790835453
4 √n
68.039568607098
5 √n
29.255615605953
1 , 2 , 7 , 14 , 17 , 34 , 53 , 106 , 119 , 238 , 371 , 742 , 901 , 1699 , 1802 , 3398 , 6307 , 11893 , 12614 , 23786 , 28883 , 57766 , 90047 , 180094 , 202181 , 404362 , 630329 , 1260658 , 1530799 , 3061598 , 10715593 , 21431186
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21431185
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21431186 can be divided by 32 positive divisors.
The sum of these divisors (counting 21431186) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001110000001110010010
3
Ternary
1111022211001122
4
Quaternary
1101300032102
5
Quinary
20441244221
6
Senary
2043202242
8
Octal
121601622
10
Decimal
21431186
12
Duodecimal
7216382
16
Hexadecimal
1470392
20
Vigesimal
6dihj6
36
Base36
crceq
md5
a9cc7c548b79ce546671b567ab36d5ea
sha1
0d7e46fe13540b16e1c27132cf6d990b96051d5d
sha256
e0ec84ae9b991bc82ad78e6b18f65596e6cf7b6df4287e28c9a4416d28fc3f58
sha512
43756c1aa9d0c93eb1e5c75e6bb5fa1942f19688551a0635014d139604c7d64e203a1a2f000097f0c7bdbb68201f6a56d3600fafc375f51844c62c8e1c22d736
ripemd-160
f42099578035e1e764a6230a22d438c630b23e6f
Diameter
42862372
Circumference
134656112.99063
Area
1.4429201017696E+15
Volume
4.1231318778885E+22
Surface area
5.7716804070785E+15
Circumference
134656112.99063
Perimeter
85724744
Area
459295733366596
Diagonal
30308273.89894
Surface area
2755774400199576
Volume
9.8432522907859E+21
Space diagonal
37119903.018459
Perimeter
64293558
Area
1.9888088647264E+14
Altitude
18559951.509229
Surface area
1.9888088647264E+14
Volume
1.1600384072908E+21
Height
10102757.966313