21007265 (number)

21007265 is an odd 8-digits composite number following 21007264 and preceding 21007266. In scientific notation, it is written as 2.1007265 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 16656640 positive integers (up to 21007265) that are relatively prime to 21007265.

Interesting facts

Basic properties

Name

Name twenty-one million seven thousand two hundred sixty-five

Notation

Scientific notation 2.1007265 × 10^7
Engineering notation 2.1007265 × 10^6

Prime Factorization of 21007265

Prime Factorization 5 × 113 × 37181

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21007265
Product of the distinct prime numbers

The prime factorization of 21007265 is 5 × 113 × 37181. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21007265)

Multiplication

n×y
n×2 42014530
n×3 63021795
n×4 84029060
n×5 105036325

Division

n÷y
n÷2 10503632.5
n÷3 7002421.6666667
n÷3 5251816.25
n÷5 4201453

Exponentiation

ny
n2 441305182780225
n3 9.2706149205376E+21
n4 1.9475026434869E+29
n5 4.0911704119929E+36

Nth Root

y√n
2√n 4583.3683028969
3√n 275.92422918289
4√n 67.700578305483
5√n 29.138950305223

Divisors of 21007265

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21007264
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21007265 can be divided by 8 positive divisors. The sum of these divisors (counting 21007265) is 1, the average is 0.125.

Base conversion 21007265

Base System Value
2 Binary 1010000001000101110100001
3 Ternary 1110112021112212
4 Quaternary 1100020232201
5 Quinary 20334213030
6 Senary 2030131505
8 Octal 120105641
10 Decimal 21007265
12 Duodecimal 7050b95
16 Hexadecimal 1408ba1
20 Vigesimal 6b5i35
36 Base36 ci9b5

Cryptographic Hash Functions

md5 967586a42023597104dc779a368c4282
sha1 e6a868b8fe5841eafe7823cd81fc041f25c9f2cd
sha256 13bd80e8d82f8073c246e04df301bca5268209c460ff5d68ec472eeac733c968
sha512 33ab55b6930e1ca0f83362ee9b0825ae9f5c8b0f2306c694a7d0598d7abc45fb7705459b22f6f02478183d01ea23a7ed1ef4f21920cb8e329b2055742c53fa64
ripemd-160 d9a969f93c55e5b0a4b8f122cf035459c8297e3d

21007265 as geometric shapes

Circle

Radius = n
Diameter 42014530
Circumference 131992538.79203
Area 1.3864011202135E+15

Sphere

Radius = n
Volume 3.8832660971495E+22
Surface area 5.5456044808538E+15
Circumference 131992538.79203

Square

Length = n
Perimeter 84029060
Area 441305182780225
Diagonal 29708759.071366

Cube

Length = n
Surface area 2647831096681350
Volume 9.2706149205376E+21
Space diagonal 36385650.308063

Equilateral Triangle

Length = n
Perimeter 63021795
Area 1.910907495547E+14
Altitude 18192825.154032

Triangular Pyramid

Length = n
Surface area 1.910907495547E+14
Volume 1.0925524460136E+21
Height 9902919.6904552