21031518 (number)

21031518 is an even 8-digits composite number following 21031517 and preceding 21031519. In scientific notation, it is written as 2.1031518 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 6641496 positive integers (up to 21031518) that are relatively prime to 21031518.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand five hundred eighteen

Notation

Scientific notation 2.1031518 × 10^7
Engineering notation 2.1031518 × 10^6

Prime Factorization of 21031518

Prime Factorization 2 × 3 × 19 × 184487

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031518
Product of the distinct prime numbers

The prime factorization of 21031518 is 2 × 3 × 19 × 184487. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 50, 14, 826, 132, 4201, 1536, 18733, 14370, 951305, 339261, 683972, 117903, 35979283, 49709886, 34594216, 156504246, 9456504373, 7400703443

Basic calculations (n = 21031518)

Multiplication

n×y
n×2 42063036
n×3 63094554
n×4 84126072
n×5 105157590

Division

n÷y
n÷2 10515759
n÷3 7010506
n÷3 5257879.5
n÷5 4206303.6

Exponentiation

ny
n2 442324749384324
n3 9.3027609285219E+21
n4 1.9565118391791E+29
n5 4.1148413962907E+36

Nth Root

y√n
2√n 4586.0133013327
3√n 276.0303736789
4√n 67.720110021563
5√n 29.14567541512

Divisors of 21031518

1, 2, 3, 6, 19, 38, 57, 114, 184487, 368974, 553461, 1106922, 3505253, 7010506, 10515759, 21031518

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 -21031517
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 21031518 can be divided by 16 positive divisors. The sum of these divisors (counting 21031518) is 1, the average is 0.0625.

Base conversion 21031518

Base System Value
2 Binary 1010000001110101001011110
3 Ternary 1110120111211010
4 Quaternary 1100032221132
5 Quinary 20341002033
6 Senary 2030440050
8 Octal 120165136
10 Decimal 21031518
12 Duodecimal 7063026
16 Hexadecimal 140ea5e
20 Vigesimal 6b8ifi
36 Base36 cis0u

Cryptographic Hash Functions

md5 99c8a25549f95ebb902cc008cf81e26d
sha1 d4ff8bce2e3bcd24aae51f2b9acc1e5cb26462d8
sha256 5296d228e7ec7e6c16b5a97368b18d70dc2150a4a8b7db4d5d3fe9879c7cd095
sha512 f4022d62879406981f3729792820c10416e2d41e8ef4d27a2d4f1f0eed5d400ba2aed0a9276c43ad0d3be49e0f507d151ef4b3e99eb7cce54afd91c3929b7786
ripemd-160 0e5055cecbb3847f6339623581bff02bb78ec6b5

21031518 as geometric shapes

Circle

Radius = n
Diameter 42063036
Circumference 132144924.88528
Area 1.3896041831667E+15

Sphere

Radius = n
Volume 3.8967313854862E+22
Surface area 5.558416732667E+15
Circumference 132144924.88528

Square

Length = n
Perimeter 84126072
Area 442324749384324
Diagonal 29743057.992894

Cube

Length = n
Surface area 2653948496305944
Volume 9.3027609285219E+21
Space diagonal 36427657.736299

Equilateral Triangle

Length = n
Perimeter 63094554
Area 1.915322348447E+14
Altitude 18213828.86815

Triangular Pyramid

Length = n
Surface area 1.915322348447E+14
Volume 1.0963408893858E+21
Height 9914352.664298