21255087 (number)

21255087 is an odd 8-digits composite number following 21255086 and preceding 21255088. In scientific notation, it is written as 2.1255087 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 12145752 positive integers (up to 21255087) that are relatively prime to 21255087.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred fifty-five thousand eighty-seven

Notation

Scientific notation 2.1255087 × 10^7
Engineering notation 2.1255087 × 10^6

Prime Factorization of 21255087

Prime Factorization 3 × 7 × 1012147

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21255087
Product of the distinct prime numbers

The prime factorization of 21255087 is 3 × 7 × 1012147. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21255087)

Multiplication

n×y
n×2 42510174
n×3 63765261
n×4 85020348
n×5 106275435

Division

n÷y
n÷2 10627543.5
n÷3 7085029
n÷3 5313771.75
n÷5 4251017.4

Exponentiation

ny
n2 451778723377569
n3 9.6025960701392E+21
n4 2.0410401489667E+29
n5 4.3382485936779E+36

Nth Root

y√n
2√n 4610.3239582485
3√n 277.00501322453
4√n 67.899366405354
5√n 29.207378408703

Divisors of 21255087

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 -21255086
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 21255087 can be divided by 8 positive divisors. The sum of these divisors (counting 21255087) is 1, the average is 0.125.

Base conversion 21255087

Base System Value
2 Binary 1010001000101001110101111
3 Ternary 1110222212111110
4 Quaternary 1101011032233
5 Quinary 20420130322
6 Senary 2035323103
8 Octal 121051657
10 Decimal 21255087
12 Duodecimal 7150493
16 Hexadecimal 14453af
20 Vigesimal 6cghe7
36 Base36 cnkj3

Cryptographic Hash Functions

md5 de0760d647f1c36ba9c6b9656dc60dfd
sha1 aa91fc8d4f7f484d596beb6d1fdd00998b9de8d5
sha256 8507590e27f8d52fb5370711fa83be8d46e18084b87c1fe7fd7d8563d70db3b2
sha512 1dd27ef7e45ab46d1257e542450012e2e3bd43494c4a41a166e4e5792e483cbfeac77d55d0bc8d3943815d6f39ecceda0a9b9e8a741f8144abe5eb6955f2c36a
ripemd-160 a64aac5593b80cd1f92e70c61a97c815e0956268

21255087 as geometric shapes

Circle

Radius = n
Diameter 42510174
Circumference 133549650.34122
Area 1.4193047184111E+15

Sphere

Radius = n
Volume 4.0223260359119E+22
Surface area 5.6772188736446E+15
Circumference 133549650.34122

Square

Length = n
Perimeter 85020348
Area 451778723377569
Diagonal 30059232.30482

Cube

Length = n
Surface area 2710672340265414
Volume 9.6025960701392E+21
Space diagonal 36814890.603297

Equilateral Triangle

Length = n
Perimeter 63765261
Area 1.9562592566714E+14
Altitude 18407445.301648

Triangular Pyramid

Length = n
Surface area 1.9562592566714E+14
Volume 1.1316767996984E+21
Height 10019744.101607