21051749 (number)

21051749 is an odd 8-digits prime number following 21051748 and preceding 21051750. In scientific notation, it is written as 2.1051749 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 21051748 positive integers (up to 21051749) that are relatively prime to 21051749.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-one thousand seven hundred forty-nine

Notation

Scientific notation 2.1051749 × 10^7
Engineering notation 2.1051749 × 10^6

Prime Factorization of 21051749

Prime Factorization 21051749

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21051749
Product of the distinct prime numbers

The prime factorization of 21051749 is 21051749. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21051749)

Multiplication

n×y
n×2 42103498
n×3 63155247
n×4 84206996
n×5 105258745

Division

n÷y
n÷2 10525874.5
n÷3 7017249.6666667
n÷3 5262937.25
n÷5 4210349.8

Exponentiation

ny
n2 443176135959001
n3 9.3296327769988E+21
n4 1.9640508748355E+29
n5 4.1346706040268E+36

Nth Root

y√n
2√n 4588.2184995922
3√n 276.11885327797
4√n 67.73638977383
5√n 29.15128052084

Divisors of 21051749

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21051750
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10525875
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4588.2186085669
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999904996
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21051749 can be divided by 2 positive divisors. The sum of these divisors (counting 21051749) is 21051750, the average is 10525875.

Base conversion 21051749

Base System Value
2 Binary 1010000010011100101100101
3 Ternary 1110121112120102
4 Quaternary 1100103211211
5 Quinary 20342123444
6 Senary 2031113445
8 Octal 120234545
10 Decimal 21051749
12 Duodecimal 7072885
16 Hexadecimal 1413965
20 Vigesimal 6bb979
36 Base36 cj7mt

Cryptographic Hash Functions

md5 be787d12c3f8701dbbbec30712b1a285
sha1 789379e4232effa6e72e50cbc7403aa2587330bd
sha256 d201c1f8a34d58bc13c1617cf4423609cd268c5f5cd6dbcbd23aa48401ed02b5
sha512 2076611f65162f503243ae4989d87668b8fed84a3e41322d591288ea5ee80c81f12bf398009a4cea3202a5d9e6ef1f5a8a284c705f6aaaa9796783447e8aefda
ripemd-160 5f19716dc27f45cae2c7eb6757e3a7c2a43fed19

21051749 as geometric shapes

Circle

Radius = n
Diameter 42103498
Circumference 132272040.00723
Area 1.3922788929751E+15

Sphere

Radius = n
Volume 3.9079874390546E+22
Surface area 5.5691155719004E+15
Circumference 132272040.00723

Square

Length = n
Perimeter 84206996
Area 443176135959001
Diagonal 29771668.947474

Cube

Length = n
Surface area 2659056815754006
Volume 9.3296327769988E+21
Space diagonal 36462698.856187

Equilateral Triangle

Length = n
Perimeter 63155247
Area 1.9190089604576E+14
Altitude 18231349.428094

Triangular Pyramid

Length = n
Surface area 1.9190089604576E+14
Volume 1.0995077670994E+21
Height 9923889.6491581