21291715 (number)

21291715 is an odd 8-digits composite number following 21291714 and preceding 21291716. In scientific notation, it is written as 2.1291715 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 17015232 positive integers (up to 21291715) that are relatively prime to 21291715.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand seven hundred fifteen

Notation

Scientific notation 2.1291715 × 10^7
Engineering notation 2.1291715 × 10^6

Prime Factorization of 21291715

Prime Factorization 5 × 3209 × 1327

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21291715
Product of the distinct prime numbers

The prime factorization of 21291715 is 5 × 3209 × 1327. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21291715)

Multiplication

n×y
n×2 42583430
n×3 63875145
n×4 85166860
n×5 106458575

Division

n÷y
n÷2 10645857.5
n÷3 7097238.3333333
n÷3 5322928.75
n÷5 4258343

Exponentiation

ny
n2 453337127641225
n3 9.6523249206556E+21
n4 2.05514551298E+29
n5 4.3757572545898E+36

Nth Root

y√n
2√n 4614.29463732
3√n 277.16403895264
4√n 67.928599553649
5√n 29.217437847141

Divisors of 21291715

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 -21291714
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 21291715 can be divided by 8 positive divisors. The sum of these divisors (counting 21291715) is 1, the average is 0.125.

Base conversion 21291715

Base System Value
2 Binary 1010001001110001011000011
3 Ternary 1111001201202001
4 Quaternary 1101032023003
5 Quinary 20422313330
6 Senary 2040204431
8 Octal 121161303
10 Decimal 21291715
12 Duodecimal 7169717
16 Hexadecimal 144e2c3
20 Vigesimal 6d195f
36 Base36 cocsj

Cryptographic Hash Functions

md5 58c0f7130e2810832bbde76941b599df
sha1 9e890e04c83c91bed1a6d8a055d969cd46f4844e
sha256 0cf4c91b4d52f9dc8ab4fedebd5d8b5bc157e4fa64f40ca7e1637b3beca632e0
sha512 8f050086d3b644f6c9ac63914e66af6a27e128606c2874550163667b112f5a91a3d3824d22c4ada620ad3968d61901d60b370da9c1f1332dbeab03e56ebf5b1c
ripemd-160 ad01603c3805d6458f74370ff9ba75306fe9d3bc

21291715 as geometric shapes

Circle

Radius = n
Diameter 42583430
Circumference 133779790.85266
Area 1.4242005897972E+15

Sphere

Radius = n
Volume 4.0431564081058E+22
Surface area 5.6968023591887E+15
Circumference 133779790.85266

Square

Length = n
Perimeter 85166860
Area 453337127641225
Diagonal 30111032.119183

Cube

Length = n
Surface area 2720022765847350
Volume 9.6523249206556E+21
Space diagonal 36878332.160276

Equilateral Triangle

Length = n
Perimeter 63875145
Area 1.9630073450798E+14
Altitude 18439166.080138

Triangular Pyramid

Length = n
Surface area 1.9630073450798E+14
Volume 1.1375374009352E+21
Height 10037010.706394