21051495 (number)

21051495 is an odd 8-digits composite number following 21051494 and preceding 21051496. In scientific notation, it is written as 2.1051495 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 11024640 positive integers (up to 21051495) that are relatively prime to 21051495.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-one thousand four hundred ninety-five

Notation

Scientific notation 2.1051495 × 10^7
Engineering notation 2.1051495 × 10^6

Prime Factorization of 21051495

Prime Factorization 3 × 135 × 59 × 881

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21051495
Product of the distinct prime numbers

The prime factorization of 21051495 is 3 × 135 × 59 × 881. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21051495)

Multiplication

n×y
n×2 42102990
n×3 63154485
n×4 84205980
n×5 105257475

Division

n÷y
n÷2 10525747.5
n÷3 7017165
n÷3 5262873.75
n÷5 4210299

Exponentiation

ny
n2 443165441735025
n3 9.3292950808577E+21
n4 1.963956087482E+29
n5 4.1344211755847E+36

Nth Root

y√n
2√n 4588.1908199202
3√n 276.11774276896
4√n 67.736185454454
5√n 29.151210175511

Divisors of 21051495

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 -21051494
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 21051495 can be divided by 16 positive divisors. The sum of these divisors (counting 21051495) is 1, the average is 0.0625.

Base conversion 21051495

Base System Value
2 Binary 1010000010011100001100111
3 Ternary 1110121112020000
4 Quaternary 1100103201213
5 Quinary 20342121440
6 Senary 2031112343
8 Octal 120234147
10 Decimal 21051495
12 Duodecimal 70726b3
16 Hexadecimal 1413867
20 Vigesimal 6bb8ef
36 Base36 cj7fr

Cryptographic Hash Functions

md5 6653a5a6976e526ff974816386acb3e0
sha1 0b44424d97def60551a9176d80dc92e19853567b
sha256 0e2d72a4625173f3e10e9f52a4605a11c43e06ba1217c410e15a52d915261f53
sha512 1b282758a19d4a678bc074e39243c690ce84cf5ed2e2d9122d5dfed2be4d65866ac29e48ae21e50175a50dd4a67b274245c232d1424c2c141e2651affdbd218e
ripemd-160 1d33a4e3d72a19414a4a03463434684b252c6b60

21051495 as geometric shapes

Circle

Radius = n
Diameter 42102990
Circumference 132270444.07816
Area 1.3922452960796E+15

Sphere

Radius = n
Volume 3.9078459852258E+22
Surface area 5.5689811843185E+15
Circumference 132270444.07816

Square

Length = n
Perimeter 84205980
Area 443165441735025
Diagonal 29771309.737229

Cube

Length = n
Surface area 2658992650410150
Volume 9.3292950808577E+21
Space diagonal 36462258.915282

Equilateral Triangle

Length = n
Perimeter 63154485
Area 1.9189626531094E+14
Altitude 18231129.457641

Triangular Pyramid

Length = n
Surface area 1.9189626531094E+14
Volume 1.0994679692275E+21
Height 9923769.9124098