21490830 (number)

21490830 is an even 8-digits composite number following 21490829 and preceding 21490831. In scientific notation, it is written as 2.1490830 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 5664384 positive integers (up to 21490830) that are relatively prime to 21490830.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand eight hundred thirty

Notation

Scientific notation 2.1490830 × 10^7
Engineering notation 2.1490830 × 10^6

Prime Factorization of 21490830

Prime Factorization 2 × 15 × 3 × 89 × 2683

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21490830
Product of the distinct prime numbers

The prime factorization of 21490830 is 2 × 15 × 3 × 89 × 2683. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490830)

Multiplication

n×y
n×2 42981660
n×3 64472490
n×4 85963320
n×5 107454150

Division

n÷y
n÷2 10745415
n÷3 7163610
n÷3 5372707.5
n÷5 4298166

Exponentiation

ny
n2 461855774088900
n3 9.925663925463E+21
n4 2.1331075605926E+29
n5 4.584225195641E+36

Nth Root

y√n
2√n 4635.8203157586
3√n 278.02535006829
4√n 68.086858612794
5√n 29.271881459784

Divisors of 21490830

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 -21490829
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 21490830 can be divided by 32 positive divisors. The sum of these divisors (counting 21490830) is 1, the average is 0.03125.

Base conversion 21490830

Base System Value
2 Binary 1010001111110110010001110
3 Ternary 1111102211212200
4 Quaternary 1101332302032
5 Quinary 21000201310
6 Senary 2044342330
8 Octal 121766216
10 Decimal 21490830
12 Duodecimal 72449a6
16 Hexadecimal 147ec8e
20 Vigesimal 6e671a
36 Base36 csmfi

Cryptographic Hash Functions

md5 540620fa4763de025419b317367a7aeb
sha1 a383bc26f7dde204a5a55bb4b5155b437827e568
sha256 daab5ac78d67b99eefbef38391afcc815c1594007ab448f556c872914e7c83c2
sha512 5796024d167c894cf6e632d62e156e963d81ea1e6e1d6c4612420af891095a39985159f8691a90b559573f44ee1e31897a9308bc52c0debf5095b81b75474392
ripemd-160 fbd720ccffcc1fc459a62329b6ba72b75d7663de

21490830 as geometric shapes

Circle

Radius = n
Diameter 42981660
Circumference 135030867.29509
Area 1.4509627068957E+15

Sphere

Radius = n
Volume 4.1576523826981E+22
Surface area 5.8038508275829E+15
Circumference 135030867.29509

Square

Length = n
Perimeter 85963320
Area 461855774088900
Diagonal 30392623.252655

Cube

Length = n
Surface area 2771134644533400
Volume 9.925663925463E+21
Space diagonal 37223209.456825

Equilateral Triangle

Length = n
Perimeter 64472490
Area 1.9998941662276E+14
Altitude 18611604.728413

Triangular Pyramid

Length = n
Surface area 1.9998941662276E+14
Volume 1.1697507115789E+21
Height 10130874.417552