21051497 is an odd 8-digits composite number following 21051496
and preceding 21051498 . In scientific notation, it is written as 2.1051497 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 20858256 positive integers (up to 21051497) that are relatively prime to 21051497.
21051497 has 4 divisors, whose sum is 21244740
The reverse of 21051497 is 79415012
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million fifty-one thousand four hundred ninety-seven
Scientific notation
2.1051497 × 10^7
Engineering notation
2.1051497 × 10^6
Prime Factorization
109 × 193133
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21051497
Product of the distinct prime numbers
The prime factorization of 21051497 is 109 × 193133.
Since it has a total of 2 prime factors.
3 , 6 , 86 , 13 , 739 , 999 , 266 , 8534 , 4916 , 28916 , 573234 , 949240 , 19715 , 5325477 , 98498253 , 28471857 , 676198025 , 213302542 , 9834530955 , 7617946893
n×2
42102994
n×3
63154491
n×4
84205988
n×5
105257485
n÷2
10525748.5
n÷3
7017165.6666667
n÷3
5262874.25
n÷5
4210299.4
n2
443165525941009
n3
9.3292977398506E+21
n4
1.9639568338257E+29
n5
4.1344231395411E+36
2 √n
4588.191037871
3 √n
276.11775151316
4 √n
67.736187063275
5 √n
29.151210729414
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
-21051496
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 21051497 can be divided by 4 positive divisors.
The sum of these divisors (counting 21051497) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010011100001101001
3
Ternary
1110121112020002
4
Quaternary
1100103201221
5
Quinary
20342121442
6
Senary
2031112345
8
Octal
120234151
10
Decimal
21051497
12
Duodecimal
70726b5
16
Hexadecimal
1413869
20
Vigesimal
6bb8eh
36
Base36
cj7ft
md5
e1328b193b6517828606e4076b2b59fb
sha1
e8076925723f104c013b47c11f270efb71819622
sha256
09ec6d44a7fd7f5ab88fdd0cc038280376d74c9fc53f81a3845862daea3969b7
sha512
ee6d0a3cbc383d572b7bae6392adbfad49658fab21bfa812e77664410886a86f7df9a85bbe06bdfb1eb61aced6afa6920bd7ba78c9ddfc364c00916ea53d623d
ripemd-160
23e541e97c02477a6e2851426ab398a3a4ccfd14
Diameter
42102994
Circumference
132270456.64454
Area
1.3922455606205E+15
Volume
3.9078470990222E+22
Surface area
5.5689822424821E+15
Circumference
132270456.64454
Perimeter
84205988
Area
443165525941009
Diagonal
29771312.565657
Surface area
2658993155646054
Volume
9.3292977398506E+21
Space diagonal
36462262.379384
Perimeter
63154491
Area
1.918963017732E+14
Altitude
18231131.189692
Surface area
1.918963017732E+14
Volume
1.0994682825928E+21
Height
9923770.8552188