21861213 (number)

21861213 is an odd 8-digits composite number following 21861212 and preceding 21861214. In scientific notation, it is written as 2.1861213 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 13216640 positive integers (up to 21861213) that are relatively prime to 21861213.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty-one thousand two hundred thirteen

Notation

Scientific notation 2.1861213 × 10^7
Engineering notation 2.1861213 × 10^6

Prime Factorization of 21861213

Prime Factorization 3 × 11 × 773 × 857

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21861213
Product of the distinct prime numbers

The prime factorization of 21861213 is 3 × 11 × 773 × 857. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 82, 62, 728, 170, 7902, 2579, 59880, 13186, 295351, 865248, 962710, 6600505, 5789999, 70030060, 877607629, 164380251, 140689732, 3834328465

Basic calculations (n = 21861213)

Multiplication

n×y
n×2 43722426
n×3 65583639
n×4 87444852
n×5 109306065

Division

n÷y
n÷2 10930606.5
n÷3 7287071
n÷3 5465303.25
n÷5 4372242.6

Exponentiation

ny
n2 477912633831369
n3 1.0447749883579E+22
n4 2.2840048557564E+29
n5 4.9931116644724E+36

Nth Root

y√n
2√n 4675.5976088624
3√n 279.61346749811
4√n 68.378341665051
5√n 29.372090058831

Divisors of 21861213

1, 3, 11, 33, 773, 857, 2319, 2571, 8503, 9427, 25509, 28281, 662461, 1987383, 7287071, 21861213

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 -21861212
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 21861213 can be divided by 16 positive divisors. The sum of these divisors (counting 21861213) is 1, the average is 0.0625.

Base conversion 21861213

Base System Value
2 Binary 1010011011001001101011101
3 Ternary 1112010122221120
4 Quaternary 1103121031131
5 Quinary 21044024323
6 Senary 2100321153
8 Octal 123311535
10 Decimal 21861213
12 Duodecimal 73a31b9
16 Hexadecimal 14d935d
20 Vigesimal 6gcd0d
36 Base36 d0k7x

Cryptographic Hash Functions

md5 743e2285f9257f9c28ef94fd5bdd9d50
sha1 8653c5ef06f5c4426fa9e4d13846188515ee3f82
sha256 a9b52d98c0f757e76269fb8fd90a66a0292eb4e437ee7e428a1749706d7be0e8
sha512 676e77311feb3e03871cf084da199bb21d556b384e89848a4fa62c49392295444186d50769de57fdacf15f865fb1596789a9950619b265988f8f56256b243402
ripemd-160 e178a2ae8099f5dca711667c45a35717ec59dd78

21861213 as geometric shapes

Circle

Radius = n
Diameter 43722426
Circumference 137358052.31872
Area 1.5014068195024E+15

Sphere

Radius = n
Volume 4.3763432374392E+22
Surface area 6.0056272780095E+15
Circumference 137358052.31872

Square

Length = n
Perimeter 87444852
Area 477912633831369
Diagonal 30916423.914527

Cube

Length = n
Surface area 2867475802988214
Volume 1.0447749883579E+22
Space diagonal 37864731.631085

Equilateral Triangle

Length = n
Perimeter 65583639
Area 2.0694224084375E+14
Altitude 18932365.815543

Triangular Pyramid

Length = n
Surface area 2.0694224084375E+14
Volume 1.2312791318032E+21
Height 10305474.638176