21252057 is an odd 8-digits composite number following 21252056
and preceding 21252058 . In scientific notation, it is written as 2.1252057 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 13208832 positive integers (up to 21252057) that are relatively prime to 21252057.
21252057 has 16 divisors, whose sum is 30286080
The reverse of 21252057 is 75025212
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million two hundred fifty-two thousand fifty-seven
Scientific notation
2.1252057 × 10^7
Engineering notation
2.1252057 × 10^6
Prime Factorization
3 × 17 × 109 × 3823
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21252057
Product of the distinct prime numbers
The prime factorization of 21252057 is 3 × 17 × 109 × 3823.
Since it has a total of 4 prime factors.
1 , 2 , 86 , 53 , 15 , 276 , 2569 , 9891 , 48542 , 4602 , 723121 , 540391 , 1927663 , 5224388 , 93137551 , 12432272 , 47109461 , 172156674 , 8664402998 , 6168679942
n×2
42504114
n×3
63756171
n×4
85008228
n×5
106260285
n÷2
10626028.5
n÷3
7084019
n÷3
5313014.25
n÷5
4250411.4
n2
451649926731249
n3
9.5984899869383E+21
n4
2.0398765631634E+29
n5
4.3351572993313E+36
2 √n
4609.9953362232
3 √n
276.99184986468
4 √n
67.896946442555
5 √n
29.206545634851
1 , 3 , 17 , 51 , 109 , 327 , 1853 , 3823 , 5559 , 11469 , 64991 , 194973 , 416707 , 1250121 , 7084019 , 21252057
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
-21252056
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 21252057 can be divided by 16 positive divisors.
The sum of these divisors (counting 21252057) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001000100011111011001
3
Ternary
1110222201100020
4
Quaternary
1101010133121
5
Quinary
20420031212
6
Senary
2035301053
8
Octal
121043731
10
Decimal
21252057
12
Duodecimal
714a789
16
Hexadecimal
14447d9
20
Vigesimal
6cga2h
36
Base36
cni6x
md5
271dfc5164c337112be8cc733d84aaf0
sha1
9575935e805fff14514782f8db756321b6e73241
sha256
811502ac0bfc65aeb7146462193dc24b8f87a4d15e8658646580a287fb66fb0e
sha512
50979ff02758ce1c8085ff43eeaa2ded787a9280bfc965399f4577c94b8b9b8b13618badbe313b50ac65638c8bbe8c12883fd4c817215fd1b4dde82c8b6894fa
ripemd-160
50cab79bb547230635503bbde7e2949b7e114a16
Diameter
42504114
Circumference
133530612.28974
Area
1.4189000918133E+15
Volume
4.0206060838028E+22
Surface area
5.675600367253E+15
Circumference
133530612.28974
Perimeter
85008228
Area
451649926731249
Diagonal
30054947.237726
Surface area
2709899560387494
Volume
9.5984899869383E+21
Space diagonal
36809642.48935
Perimeter
63756171
Area
1.9557015508332E+14
Altitude
18404821.244675
Surface area
1.9557015508332E+14
Volume
1.1311928931525E+21
Height
10018315.745909