21031255 (number)

21031255 is an odd 8-digits composite number following 21031254 and preceding 21031256. In scientific notation, it is written as 2.1031255 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 14421408 positive integers (up to 21031255) that are relatively prime to 21031255.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand two hundred fifty-five

Notation

Scientific notation 2.1031255 × 10^7
Engineering notation 2.1031255 × 10^6

Prime Factorization of 21031255

Prime Factorization 5 × 7 × 600893

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031255
Product of the distinct prime numbers

The prime factorization of 21031255 is 5 × 7 × 600893. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031255)

Multiplication

n×y
n×2 42062510
n×3 63093765
n×4 84125020
n×5 105156275

Division

n÷y
n÷2 10515627.5
n÷3 7010418.3333333
n÷3 5257813.75
n÷5 4206251

Exponentiation

ny
n2 442313686875025
n3 9.3024119386588E+21
n4 1.9564139759698E+29
n5 4.1145841214184E+36

Nth Root

y√n
2√n 4585.9846271003
3√n 276.0292230837
4√n 67.719898309878
5√n 29.145602521181

Divisors of 21031255

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 -21031254
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 21031255 can be divided by 8 positive divisors. The sum of these divisors (counting 21031255) is 1, the average is 0.125.

Base conversion 21031255

Base System Value
2 Binary 1010000001110100101010111
3 Ternary 1110120111110101
4 Quaternary 1100032211113
5 Quinary 20341000010
6 Senary 2030434531
8 Octal 120164527
10 Decimal 21031255
12 Duodecimal 7062a47
16 Hexadecimal 140e957
20 Vigesimal 6b8i2f
36 Base36 cirtj

Cryptographic Hash Functions

md5 7caad4c0f6970b52ab11098a5d9fac6f
sha1 9d15368171737ed3ae2a0c890c81c974a58786c7
sha256 5a6a3298ff9092706fab2501c0ea339ef3a37c2a99befd8b76c6dcaf94a18cf2
sha512 ba0fd850d397f3370fb0df756aa70c4407b151211bdf66a1dd1a0b7adfc78b8c36143f6699e1692d3c2d6961a38dccb1d9a6affaa993ae05c00ff6fb0f91c6dd
ripemd-160 cf30aaf5252c8f11c2a015bd96f53b2b45df3a83

21031255 as geometric shapes

Circle

Radius = n
Diameter 42062510
Circumference 132143272.40755
Area 1.3895694292688E+15

Sphere

Radius = n
Volume 3.8965852009542E+22
Surface area 5.5582777170752E+15
Circumference 132143272.40755

Square

Length = n
Perimeter 84125020
Area 442313686875025
Diagonal 29742686.054727

Cube

Length = n
Surface area 2653882121250150
Volume 9.3024119386588E+21
Space diagonal 36427202.206937

Equilateral Triangle

Length = n
Perimeter 63093765
Area 1.9152744463766E+14
Altitude 18213601.103468

Triangular Pyramid

Length = n
Surface area 1.9152744463766E+14
Volume 1.0962997605361E+21
Height 9914228.684909