21452871 is an odd 8-digits composite number following 21452870
and preceding 21452872 . In scientific notation, it is written as 2.1452871 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 12911520 positive integers (up to 21452871) that are relatively prime to 21452871.
21452871 has 16 divisors, whose sum is 31420800
The reverse of 21452871 is 17825412
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred fifty-two thousand eight hundred seventy-one
Scientific notation
2.1452871 × 10^7
Engineering notation
2.1452871 × 10^6
Prime Factorization
3 × 11 × 149 × 4363
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21452871
Product of the distinct prime numbers
The prime factorization of 21452871 is 3 × 11 × 149 × 4363.
Since it has a total of 4 prime factors.
6 , 7 , 95 , 76 , 524 , 594 , 1432 , 1404 , 10236 , 70203 , 286958 , 234637 , 6648301 , 574820 , 21360450 , 69497851 , 609909093 , 852867987 , 5026140634 , 1035918986
n×2
42905742
n×3
64358613
n×4
85811484
n×5
107264355
n÷2
10726435.5
n÷3
7150957
n÷3
5363217.75
n÷5
4290574.2
n2
460225674142641
n3
9.8731620182701E+21
n4
2.1180767114005E+29
n5
4.5438826457779E+36
2 √n
4631.7244089
3 √n
277.861562631
4 √n
68.056773424105
5 √n
29.261533630383
1 , 3 , 11 , 33 , 149 , 447 , 1639 , 4363 , 4917 , 13089 , 47993 , 143979 , 650087 , 1950261 , 7150957 , 21452871
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21452870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21452871 can be divided by 16 positive divisors.
The sum of these divisors (counting 21452871) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110101100001000111
3
Ternary
1111100220210210
4
Quaternary
1101311201013
5
Quinary
20442442441
6
Senary
2043450503
8
Octal
121654107
10
Decimal
21452871
12
Duodecimal
7226a33
16
Hexadecimal
1475847
20
Vigesimal
6e1c3b
36
Base36
crt53
md5
071bc38261913b1cc46c4979477e2bd5
sha1
4cfd92fc184cb240c3d9a657f2e70d66443da6b4
sha256
bd140f5f9cd85074510b635512d7f4f565090e9704d765e9a864a3d1a1659e24
sha512
8fb3ebe238f592fdb0162e58bb2c94467b480def6602a25192bf5369241941bff5f5514a616958bca5f0b70ad460f2b80f14c95f384d7da6c5df068713641213
ripemd-160
878d38526fd4db7393c1f0831900d7c9ad5e3bb9
Diameter
42905742
Circumference
134792363.86402
Area
1.4458415968799E+15
Volume
4.1356604352399E+22
Surface area
5.7833663875197E+15
Circumference
134792363.86402
Perimeter
85811484
Area
460225674142641
Diagonal
30338941.12004
Surface area
2761354044855846
Volume
9.8731620182701E+21
Space diagonal
37157462.540221
Perimeter
64358613
Area
1.9928356264067E+14
Altitude
18578731.27011
Surface area
1.9928356264067E+14
Volume
1.1635633024787E+21
Height
10112980.373347