21087579 (number)

21087579 is an odd 8-digits composite number following 21087578 and preceding 21087580. In scientific notation, it is written as 2.1087579 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 14047776 positive integers (up to 21087579) that are relatively prime to 21087579.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand five hundred seventy-nine

Notation

Scientific notation 2.1087579 × 10^7
Engineering notation 2.1087579 × 10^6

Prime Factorization of 21087579

Prime Factorization 3 × 2557 × 2749

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21087579
Product of the distinct prime numbers

The prime factorization of 21087579 is 3 × 2557 × 2749. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 7, 19, 60, 852, 118, 1586, 7484, 79970, 89216, 412260, 574672, 2923137, 5583105, 90169109, 84467303, 922637536, 234190772, 4849401648, 4033424199

Basic calculations (n = 21087579)

Multiplication

n×y
n×2 42175158
n×3 63262737
n×4 84350316
n×5 105437895

Division

n÷y
n÷2 10543789.5
n÷3 7029193
n÷3 5271894.75
n÷5 4217515.8

Exponentiation

ny
n2 444685988081241
n3 9.3773509038562E+21
n4 1.9774562799579E+29
n5 4.1699765522658E+36

Nth Root

y√n
2√n 4592.1214051895
3√n 276.27541558238
4√n 67.765193168688
5√n 29.161196846736

Divisors of 21087579

1, 3, 2557, 2749, 7671, 8247, 7029193, 21087579

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 -21087578
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 21087579 can be divided by 8 positive divisors. The sum of these divisors (counting 21087579) is 1, the average is 0.125.

Base conversion 21087579

Base System Value
2 Binary 1010000011100010101011011
3 Ternary 1110200100201110
4 Quaternary 1100130111123
5 Quinary 20344300304
6 Senary 2031551403
8 Octal 120342533
10 Decimal 21087579
12 Duodecimal 708b563
16 Hexadecimal 141c55b
20 Vigesimal 6bfiij
36 Base36 cjza3

Cryptographic Hash Functions

md5 d9abbaae8e0747f2a54984fe14d795a1
sha1 4b1d88614413e30f267baf89266a498237ac8047
sha256 2475e2710278657957e721c89bb55734543f0c0a9dc01bd4942e0c982bc847c0
sha512 a1aa0f8fff1ff7a2798105bab0f1e274080757ef4c01d8999e3ca4f9da59122a928821a38ef76d2964249cea98d4a920444b76c32ad016bc7cc37479d57bcadd
ripemd-160 4ebe0e0826192bfc1b8eca4f03f1a6106675d143

21087579 as geometric shapes

Circle

Radius = n
Diameter 42175158
Circumference 132497166.53679
Area 1.3970222333103E+15

Sphere

Radius = n
Volume 3.9279755612918E+22
Surface area 5.5880889332414E+15
Circumference 132497166.53679

Square

Length = n
Perimeter 84350316
Area 444685988081241
Diagonal 29822340.219414

Cube

Length = n
Surface area 2668115928487446
Volume 9.3773509038562E+21
Space diagonal 36524758.236622

Equilateral Triangle

Length = n
Perimeter 63262737
Area 1.9255468119267E+14
Altitude 18262379.118311

Triangular Pyramid

Length = n
Surface area 1.9255468119267E+14
Volume 1.1051314022804E+21
Height 9940780.073138