21031155 (number)

21031155 is an odd 8-digits composite number following 21031154 and preceding 21031156. In scientific notation, it is written as 2.1031155 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 10942080 positive integers (up to 21031155) that are relatively prime to 21031155.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031155 × 10^7
Engineering notation 2.1031155 × 10^6

Prime Factorization of 21031155

Prime Factorization 9 × 5 × 41 × 11399

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031155
Product of the distinct prime numbers

The prime factorization of 21031155 is 9 × 5 × 41 × 11399. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 47, 81, 730, 294, 9934, 9494, 72610, 76591, 457362, 561865, 237330, 5778084, 29501531, 82490782, 612353693, 375989084, 3156372542, 9554621173

Basic calculations (n = 21031155)

Multiplication

n×y
n×2 42062310
n×3 63093465
n×4 84124620
n×5 105155775

Division

n÷y
n÷2 10515577.5
n÷3 7010385
n÷3 5257788.75
n÷5 4206231

Exponentiation

ny
n2 442309480634025
n3 9.3022792451837E+21
n4 1.9563767665874E+29
n5 4.1144863016499E+36

Nth Root

y√n
2√n 4585.9737243033
3√n 276.02878559252
4√n 67.719817810618
5√n 29.145574804663

Divisors of 21031155

1, 5, 9, 41, 45, 205, 369, 1845, 11399, 56995, 102591, 467359, 512955, 2336795, 4206231, 21031155

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 -21031154
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 21031155 can be divided by 16 positive divisors. The sum of these divisors (counting 21031155) is 1, the average is 0.0625.

Base conversion 21031155

Base System Value
2 Binary 1010000001110100011110011
3 Ternary 1110120111022200
4 Quaternary 1100032203303
5 Quinary 20340444110
6 Senary 2030434243
8 Octal 120164363
10 Decimal 21031155
12 Duodecimal 7062983
16 Hexadecimal 140e8f3
20 Vigesimal 6b8hhf
36 Base36 cirqr

Cryptographic Hash Functions

md5 8adf7ea03f44b9a9c7c87ad4d876a00b
sha1 ea886d30d4c64a49943c2d7e9e34f508aa57be85
sha256 102e2f924d553a51069f6227c0bd35441a62136b8a77ddde626615dc41cb9056
sha512 13ab07bd75aec0bd38afe978ff2f4521b8e8d39a4a0e049d313dffea8139966d348c3a03ed94178795bd2fc4dab0ca14e8038b39658d547f6a17802b651a5f2e
ripemd-160 5c9c75b0cae264d4f1c7843b3b95a24236652b34

21031155 as geometric shapes

Circle

Radius = n
Diameter 42062310
Circumference 132142644.08902
Area 1.389556214973E+15

Sphere

Radius = n
Volume 3.8965296184413E+22
Surface area 5.5582248598919E+15
Circumference 132142644.08902

Square

Length = n
Perimeter 84124620
Area 442309480634025
Diagonal 29742544.633371

Cube

Length = n
Surface area 2653856883804150
Volume 9.3022792451837E+21
Space diagonal 36427029.001856

Equilateral Triangle

Length = n
Perimeter 63093465
Area 1.9152562328188E+14
Altitude 18213514.500928

Triangular Pyramid

Length = n
Surface area 1.9152562328188E+14
Volume 1.09628412246E+21
Height 9914181.5444569