21371251 is an odd 8-digits composite number following 21371250
and preceding 21371252 . In scientific notation, it is written as 2.1371251 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 19428400 positive integers (up to 21371251) that are relatively prime to 21371251.
21371251 has 4 divisors, whose sum is 23314104
The reverse of 21371251 is 15217312
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million three hundred seventy-one thousand two hundred fifty-one
Scientific notation
2.1371251 × 10^7
Engineering notation
2.1371251 × 10^6
Prime Factorization
11 × 1942841
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21371251
Product of the distinct prime numbers
The prime factorization of 21371251 is 11 × 1942841.
Since it has a total of 2 prime factors.
2 , 1 , 62 , 94 , 736 , 560 , 4383 , 210 , 94091 , 58505 , 804618 , 409492 , 9265837 , 291943 , 58382118 , 72301581 , 424209188 , 999744337 , 2358913243 , 3384166602
n×2
42742502
n×3
64113753
n×4
85485004
n×5
106856255
n÷2
10685625.5
n÷3
7123750.3333333
n÷3
5342812.75
n÷5
4274250.2
n2
456730369305001
n3
9.7608993617399E+21
n4
2.0860263024548E+29
n5
4.4580991702364E+36
2 √n
4622.905039042
3 √n
277.50872899523
4 √n
67.9919483398
5 √n
29.239233870478
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21371250
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21371251 can be divided by 4 positive divisors.
The sum of these divisors (counting 21371251) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001100001100101110011
3
Ternary
1111012202211211
4
Quaternary
1101201211303
5
Quinary
20432340001
6
Senary
2042020551
8
Octal
121414563
10
Decimal
21371251
12
Duodecimal
71a7757
16
Hexadecimal
1461973
20
Vigesimal
6db82b
36
Base36
cq25v
md5
a7c2ab943fd9bcb442ffd24c9573196d
sha1
3eb220aa7af677b00605300fc0763c3dd09b28a0
sha256
d1af80621e510dcb907eeb0fb3d8036b6e4a1ce36d556661909680c26037a17f
sha512
77f299e534d601227db9dcaaec9aeaf9396432ba8e2808a7ef0b23fe13af32b40700607a0dc32f70c765328f301f542cda83a9474a36a5b7bb19e12c8782cabd
ripemd-160
efb9a71e210e19e2d2f250004203f6f2806449ea
Diameter
42742502
Circumference
134279530.27925
Area
1.4348607728799E+15
Volume
4.0886359636362E+22
Surface area
5.7394430915198E+15
Circumference
134279530.27925
Perimeter
85485004
Area
456730369305001
Diagonal
30223513.00908
Surface area
2740382215830006
Volume
9.7608993617399E+21
Space diagonal
37016092.553307
Perimeter
64113753
Area
1.9777005124899E+14
Altitude
18508046.276654
Surface area
1.9777005124899E+14
Volume
1.1503330215276E+21
Height
10074504.33636