21861290 (number)

21861290 is an even 8-digits composite number following 21861289 and preceding 21861291. In scientific notation, it is written as 2.1861290 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors. There are 7912960 positive integers (up to 21861290) that are relatively prime to 21861290.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1861290 × 10^7
Engineering notation 2.1861290 × 10^6

Prime Factorization of 21861290

Prime Factorization 2 × 5 × 11 × 353 × 563

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21861290
Product of the distinct prime numbers

The prime factorization of 21861290 is 2 × 5 × 11 × 353 × 563. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 6, 53, 34, 312, 280, 5148, 6845, 19481, 69525, 284303, 259153, 4243447, 3355716, 325239, 29182692, 337103821, 299416560, 6715762816, 9967187468

Basic calculations (n = 21861290)

Multiplication

n×y
n×2 43722580
n×3 65583870
n×4 87445160
n×5 109306450

Division

n÷y
n÷2 10930645
n÷3 7287096.6666667
n÷3 5465322.5
n÷5 4372258

Exponentiation

ny
n2 477916000464100
n3 1.0447860281786E+22
n4 2.284037034996E+29
n5 4.9931995992788E+36

Nth Root

y√n
2√n 4675.6058430967
3√n 279.61379578443
4√n 68.378401875861
5√n 29.372110749794

Divisors of 21861290

1, 2, 5, 10, 11, 22, 55, 110, 353, 563, 706, 1126, 1765, 2815, 3530, 3883, 5630, 6193, 7766, 12386, 19415, 30965, 38830, 61930, 198739, 397478, 993695, 1987390, 2186129, 4372258, 10930645, 21861290

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21861289
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21861290 can be divided by 32 positive divisors. The sum of these divisors (counting 21861290) is 1, the average is 0.03125.

Base conversion 21861290

Base System Value
2 Binary 1010011011001001110101010
3 Ternary 1112010200001102
4 Quaternary 1103121032222
5 Quinary 21044030130
6 Senary 2100321402
8 Octal 123311652
10 Decimal 21861290
12 Duodecimal 73a3262
16 Hexadecimal 14d93aa
20 Vigesimal 6gcd4a
36 Base36 d0ka2

Cryptographic Hash Functions

md5 467404c5af81a65a8e5303aa81ec3714
sha1 1d1005febd7fa7f7c66a76df1d30d441b207c7af
sha256 887f186ff45735916586b00503288884c9347df2c135579c496baa45fd759c27
sha512 019ec869cae45f9235165044fd9bab68b8f48cc8eef32b66933bb3123295fd0e1cbb9c58a18bfa872e92fbab4d01ac5a12ccf4e9699e275373eeb247f69beae3
ripemd-160 6143c962238d7aca063936235840935a0a924a99

21861290 as geometric shapes

Circle

Radius = n
Diameter 43722580
Circumference 137358536.12399
Area 1.501417396091E+15

Sphere

Radius = n
Volume 4.3763894809321E+22
Surface area 6.0056695843641E+15
Circumference 137358536.12399

Square

Length = n
Perimeter 87445160
Area 477916000464100
Diagonal 30916532.808971

Cube

Length = n
Surface area 2867496002784600
Volume 1.0447860281786E+22
Space diagonal 37864864.998997

Equilateral Triangle

Length = n
Perimeter 65583870
Area 2.0694369863848E+14
Altitude 18932432.499499

Triangular Pyramid

Length = n
Surface area 2.0694369863848E+14
Volume 1.2312921423567E+21
Height 10305510.936324