21051451 is an odd 8-digits prime number following 21051450
and preceding 21051452 . In scientific notation, it is written as 2.1051451 × 10^7.
The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors.
There are 21051450 positive integers (up to 21051451) that are relatively prime to 21051451.
21051451 has 2 divisors, whose sum is 21051452
The reverse of 21051451 is 15415012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million fifty-one thousand four hundred fifty-one
Scientific notation
2.1051451 × 10^7
Engineering notation
2.1051451 × 10^6
Prime Factorization
21051451
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21051451
Product of the distinct prime numbers
The prime factorization of 21051451 is 21051451.
Since it has a total of 1 prime factors.
10 , 3 , 22 , 85 , 215 , 661 , 2463 , 8232 , 72232 , 21014 , 634596 , 965956 , 5768989 , 721011 , 36519419 , 70747980 , 315627044 , 402364229 , 5916355296 , 8445538419
n×2
42102902
n×3
63154353
n×4
84205804
n×5
105257255
n÷2
10525725.5
n÷3
7017150.3333333
n÷3
5262862.75
n÷5
4210290.2
n2
443163589205401
n3
9.3292365831416E+21
n4
1.9639396679741E+29
n5
4.1343779687314E+36
2 √n
4588.1860249994
3 √n
276.11755039642
4 √n
67.736150060359
5 √n
29.151197989637
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21051452
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10525726
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4588.186133975
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999049947
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21051451 can be divided by 2 positive divisors.
The sum of these divisors (counting 21051451) is 21051452, the average is 10525726.
Base
System
Value
2
Binary
1010000010011100000111011
3
Ternary
1110121112011101
4
Quaternary
1100103200323
5
Quinary
20342121301
6
Senary
2031112231
8
Octal
120234073
10
Decimal
21051451
12
Duodecimal
7072677
16
Hexadecimal
141383b
20
Vigesimal
6bb8cb
36
Base36
cj7ej
md5
6943a48278d85f8f290e93e140f5f092
sha1
f1348318b62ea3863d6d868b345303a9bc1bff27
sha256
436e834ecc530d07d3542ef600c41e14f57a42abffa3837eb66f01f6e69f6d78
sha512
c8d6e88bc7221568b7e6f5c5a382bb86fe09e4487187307b621c549ff0d3a695e848cb8831a65f0ccc0cf656e803fd3c4913a48180a32ef5aea8bfd30b2721ff
ripemd-160
d3dfdf93cc88f22773cf3d41ff9ac069ae283f25
Diameter
42102902
Circumference
132270167.61801
Area
1.3922394761862E+15
Volume
3.9078214817599E+22
Surface area
5.5689579047447E+15
Circumference
132270167.61801
Perimeter
84205804
Area
443163589205401
Diagonal
29771247.511833
Surface area
2658981535232406
Volume
9.3292365831416E+21
Space diagonal
36462182.705047
Perimeter
63154353
Area
1.9189546314208E+14
Altitude
18231091.352523
Surface area
1.9189546314208E+14
Volume
1.0994610752055E+21
Height
9923749.1706109