21131810 (number)

21131810 is an even 8-digits composite number following 21131809 and preceding 21131811. In scientific notation, it is written as 2.1131810 × 10^7. The sum of its digits is 17. It has a total of 4 prime factors and 16 positive divisors. There are 6842880 positive integers (up to 21131810) that are relatively prime to 21131810.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand eight hundred ten

Notation

Scientific notation 2.1131810 × 10^7
Engineering notation 2.1131810 × 10^6

Prime Factorization of 21131810

Prime Factorization 2 × 199 × 1435 × 37

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21131810
Product of the distinct prime numbers

The prime factorization of 21131810 is 2 × 199 × 1435 × 37. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 80, 61, 638, 249, 3411, 2092, 63705, 95052, 343170, 797289, 7709569, 7503667, 87612925, 88569935, 602545577, 143560982, 2616501120, 983659433

Basic calculations (n = 21131810)

Multiplication

n×y
n×2 42263620
n×3 63395430
n×4 84527240
n×5 105659050

Division

n÷y
n÷2 10565905
n÷3 7043936.6666667
n÷3 5282952.5
n÷5 4226362

Exponentiation

ny
n2 446553393876100
n3 9.4364814742449E+21
n4 1.9940993358226E+29
n5 4.213892828573E+36

Nth Root

y√n
2√n 4596.9348483528
3√n 276.46844238919
4√n 67.80069946802
5√n 29.173419663741

Divisors of 21131810

1, 2, 37, 74, 199, 398, 1435, 2870, 7363, 14726, 53095, 106190, 285565, 571130, 10565905, 21131810

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 -21131809
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 21131810 can be divided by 16 positive divisors. The sum of these divisors (counting 21131810) is 1, the average is 0.0625.

Base conversion 21131810

Base System Value
2 Binary 1010000100111001000100010
3 Ternary 1110202121101122
4 Quaternary 1100213020202
5 Quinary 20402204220
6 Senary 2032532242
8 Octal 120471042
10 Decimal 21131810
12 Duodecimal 70b1082
16 Hexadecimal 1427222
20 Vigesimal 6c19aa
36 Base36 ckxeq

Cryptographic Hash Functions

md5 ea5dddae52bfbec0ec614122e03c4964
sha1 a1a736473d33d6a09377f3ab0521c028965a65e4
sha256 73b282789a47707183f45c0ec8041dcae61264a9b497bb1ae98810fd581e4dc5
sha512 21dda5cadc9b72ad177a6aa0ed8ff2f9ca9dac829f84a69408360b2014191a65e504f6705a1b895b9c14b16083fda06cc947fa1b60fa91aa08c411e4b8792372
ripemd-160 7287d48879f15900242e5e70070512dcfc8dec73

21131810 as geometric shapes

Circle

Radius = n
Diameter 42263620
Circumference 132775078.10611
Area 1.4028888616367E+15

Sphere

Radius = n
Volume 3.9527441166965E+22
Surface area 5.611555446547E+15
Circumference 132775078.10611

Square

Length = n
Perimeter 84527240
Area 446553393876100
Diagonal 29884892.299491

Cube

Length = n
Surface area 2679320363256600
Volume 9.4364814742449E+21
Space diagonal 36601368.575892

Equilateral Triangle

Length = n
Perimeter 63395430
Area 1.9336329162143E+14
Altitude 18300684.287946

Triangular Pyramid

Length = n
Surface area 1.9336329162143E+14
Volume 1.11210000683E+21
Height 9961630.7664971