21232857 is an odd 8-digits composite number following 21232856
and preceding 21232858 . In scientific notation, it is written as 2.1232857 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 13688640 positive integers (up to 21232857) that are relatively prime to 21232857.
21232857 has 16 divisors, whose sum is 29253312
The reverse of 21232857 is 75823212
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million two hundred thirty-two thousand eight hundred fifty-seven
Scientific notation
2.1232857 × 10^7
Engineering notation
2.1232857 × 10^6
Prime Factorization
3 × 37 × 197 × 971
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21232857
Product of the distinct prime numbers
The prime factorization of 21232857 is 3 × 37 × 197 × 971.
Since it has a total of 4 prime factors.
2 , 9 , 3 , 99 , 522 , 135 , 980 , 2336 , 20301 , 31935 , 105120 , 748981 , 5783542 , 5035620 , 90560851 , 26145454 , 156374629 , 267565089 , 6396924432 , 3097277939
n×2
42465714
n×3
63698571
n×4
84931428
n×5
106164285
n÷2
10616428.5
n÷3
7077619
n÷3
5308214.25
n÷5
4246571.4
n2
450834216382449
n3
9.5724984471556E+21
n4
2.0325149066118E+29
n5
4.3156098362456E+36
2 √n
4607.9124340638
3 √n
276.90840937864
4 √n
67.88160600681
5 √n
29.20126644297
1 , 3 , 37 , 111 , 197 , 591 , 971 , 2913 , 7289 , 21867 , 35927 , 107781 , 191287 , 573861 , 7077619 , 21232857
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
-21232856
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 21232857 can be divided by 16 positive divisors.
The sum of these divisors (counting 21232857) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000111111110011011001
3
Ternary
1110221202000010
4
Quaternary
1100333303121
5
Quinary
20413422412
6
Senary
2035032133
8
Octal
120776331
10
Decimal
21232857
12
Duodecimal
713b649
16
Hexadecimal
143fcd9
20
Vigesimal
6ce22h
36
Base36
cn3dl
md5
c19108ca48fc89b2602b46bf6c1854c9
sha1
824ab8255e9f2e0148b5a85e606abb015b07a810
sha256
d5a3e4fd04b3efcd767f87fcefe6c3c52fbbe81770f5ecf6da197e0adcc495a1
sha512
2d534c8130e468f4551f889bca59e748062115e7440ae6becc96f6f7a15134ce01824e66fe1d7ed0b4234fc9917a60739dc5d40aba12866e2635d7ea51191de1
ripemd-160
4847366ccce837ed8178176f4b97f4df89d0c18b
Diameter
42465714
Circumference
133409975.13185
Area
1.416337462174E+15
Volume
4.0097187730778E+22
Surface area
5.6653498486961E+15
Circumference
133409975.13185
Perimeter
84931428
Area
450834216382449
Diagonal
30027794.337329
Surface area
2705005298294694
Volume
9.5724984471556E+21
Space diagonal
36776387.113844
Perimeter
63698571
Area
1.9521694214123E+14
Altitude
18388193.556922
Surface area
1.9521694214123E+14
Volume
1.1281297608136E+21
Height
10009264.77911