21031065 (number)

21031065 is an odd 8-digits composite number following 21031064 and preceding 21031066. In scientific notation, it is written as 2.1031065 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 10196640 positive integers (up to 21031065) that are relatively prime to 21031065.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand sixty-five

Notation

Scientific notation 2.1031065 × 10^7
Engineering notation 2.1031065 × 10^6

Prime Factorization of 21031065

Prime Factorization 3 × 15 × 11 × 42487

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031065
Product of the distinct prime numbers

The prime factorization of 21031065 is 3 × 15 × 11 × 42487. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 7, 8, 66, 714, 5050, 1322, 86647, 13494, 522338, 552924, 670644, 7548492, 60548650, 93302954, 371065810, 302157891, 994272279, 7177368909

Basic calculations (n = 21031065)

Multiplication

n×y
n×2 42062130
n×3 63093195
n×4 84124260
n×5 105155325

Division

n÷y
n÷2 10515532.5
n÷3 7010355
n÷3 5257766.25
n÷5 4206213

Exponentiation

ny
n2 442305695034225
n3 9.302159822135E+21
n4 1.9563432785971E+29
n5 4.1143982654488E+36

Nth Root

y√n
2√n 4585.9639117638
3√n 276.02839184926
4√n 67.719745361038
5√n 29.145549859707

Divisors of 21031065

1, 3, 11, 15, 33, 45, 165, 495, 42487, 127461, 467357, 637305, 1402071, 1911915, 7010355, 21031065

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 -21031064
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 21031065 can be divided by 16 positive divisors. The sum of these divisors (counting 21031065) is 1, the average is 0.0625.

Base conversion 21031065

Base System Value
2 Binary 1010000001110100010011001
3 Ternary 1110120111012100
4 Quaternary 1100032202121
5 Quinary 20340443230
6 Senary 2030434013
8 Octal 120164231
10 Decimal 21031065
12 Duodecimal 7062909
16 Hexadecimal 140e899
20 Vigesimal 6b8hd5
36 Base36 ciro9

Cryptographic Hash Functions

md5 9c455d65eecee35833339ce0ee04b16a
sha1 33dcbfe3d9a6a16b9deef073901051bcc29f235a
sha256 22d5937079f7ac788a57f61f0fb124894e8638e0753a1f16d4b66e4438ebce17
sha512 56252e3226e60de2f6b30885fef8c02fdd5924c12764ff77c288689bc6893661198a25d746291842c1c6c8629e0006ca0e83244f4de55110eed677021cadbb05
ripemd-160 546d4fe5115c101d67c0b598e71318bdb5cade2b

21031065 as geometric shapes

Circle

Radius = n
Diameter 42062130
Circumference 132142078.60234
Area 1.3895443221604E+15

Sphere

Radius = n
Volume 3.8964795946316E+22
Surface area 5.5581772886418E+15
Circumference 132142078.60234

Square

Length = n
Perimeter 84124260
Area 442305695034225
Diagonal 29742417.35415

Cube

Length = n
Surface area 2653834170205350
Volume 9.302159822135E+21
Space diagonal 36426873.117284

Equilateral Triangle

Length = n
Perimeter 63093195
Area 1.9152398406909E+14
Altitude 18213436.558642

Triangular Pyramid

Length = n
Surface area 1.9152398406909E+14
Volume 1.0962700483188E+21
Height 9914139.11805