21490690 (number)

21490690 is an even 8-digits composite number following 21490689 and preceding 21490691. In scientific notation, it is written as 2.1490690 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 7934976 positive integers (up to 21490690) that are relatively prime to 21490690.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand six hundred ninety

Notation

Scientific notation 2.1490690 × 10^7
Engineering notation 2.1490690 × 10^6

Prime Factorization of 21490690

Prime Factorization 2 × 5 × 13 × 165313

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21490690
Product of the distinct prime numbers

The prime factorization of 21490690 is 2 × 5 × 13 × 165313. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 33, 5, 123, 831, 4015, 5748, 6941, 36671, 328959, 451263, 6944945, 4897243, 47674186, 52248631, 755882964, 59430649, 5756834577, 6895380239

Basic calculations (n = 21490690)

Multiplication

n×y
n×2 42981380
n×3 64472070
n×4 85962760
n×5 107453450

Division

n÷y
n÷2 10745345
n÷3 7163563.3333333
n÷3 5372672.5
n÷5 4298138

Exponentiation

ny
n2 461849756676100
n3 9.9254699473015E+21
n4 2.1330519774177E+29
n5 4.5840758800571E+36

Nth Root

y√n
2√n 4635.8052159253
3√n 278.02474634361
4√n 68.086747726156
5√n 29.271843321898

Divisors of 21490690

1, 2, 5, 10, 13, 26, 65, 130, 165313, 330626, 826565, 1653130, 2149069, 4298138, 10745345, 21490690

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 -21490689
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 21490690 can be divided by 16 positive divisors. The sum of these divisors (counting 21490690) is 1, the average is 0.0625.

Base conversion 21490690

Base System Value
2 Binary 1010001111110110000000010
3 Ternary 1111102211200111
4 Quaternary 1101332300002
5 Quinary 21000200230
6 Senary 2044341534
8 Octal 121766002
10 Decimal 21490690
12 Duodecimal 72448aa
16 Hexadecimal 147ec02
20 Vigesimal 6e66ea
36 Base36 csmbm

Cryptographic Hash Functions

md5 30296b96aea7a908a49e85006d691318
sha1 3d65562baf1051ea74a33f07add05a8fd2ef05fc
sha256 2178edafd4641959ab6e3853acd48ff4c7c68d6f91a38796240d865a28fb041a
sha512 6076e02dd81d81b30b0f15443bada6ab8827b0303467f91a756c408c885d37c37ab7b3baf03cf103afc9885529cea3bf12b6e736275a4353388f433622f506b8
ripemd-160 f3c27177307fbdf35a35f12b39bce7231c485eca

21490690 as geometric shapes

Circle

Radius = n
Diameter 42981380
Circumference 135029987.64915
Area 1.4509438026359E+15

Sphere

Radius = n
Volume 4.1575711293158E+22
Surface area 5.8037752105435E+15
Circumference 135029987.64915

Square

Length = n
Perimeter 85962760
Area 461849756676100
Diagonal 30392425.262756

Cube

Length = n
Surface area 2771098540056600
Volume 9.9254699473015E+21
Space diagonal 37222966.969712

Equilateral Triangle

Length = n
Perimeter 64472070
Area 1.9998681100658E+14
Altitude 18611483.484856

Triangular Pyramid

Length = n
Surface area 1.9998681100658E+14
Volume 1.1697278510334E+21
Height 10130808.420919