21490545 (number)

21490545 is an odd 8-digits composite number following 21490544 and preceding 21490546. In scientific notation, it is written as 2.1490545 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11461616 positive integers (up to 21490545) that are relatively prime to 21490545.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand five hundred forty-five

Notation

Scientific notation 2.1490545 × 10^7
Engineering notation 2.1490545 × 10^6

Prime Factorization of 21490545

Prime Factorization 5 × 3 × 1432703

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21490545
Product of the distinct prime numbers

The prime factorization of 21490545 is 5 × 3 × 1432703. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490545)

Multiplication

n×y
n×2 42981090
n×3 64471635
n×4 85962180
n×5 107452725

Division

n÷y
n÷2 10745272.5
n÷3 7163515
n÷3 5372636.25
n÷5 4298109

Exponentiation

ny
n2 461843524397025
n3 9.9252690440129E+21
n4 2.1329944102747E+29
n5 4.5839212358756E+36

Nth Root

y√n
2√n 4635.7895767604
3√n 278.02412105457
4√n 68.086632878711
5√n 29.271803821736

Divisors of 21490545

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490544
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490545 can be divided by 8 positive divisors. The sum of these divisors (counting 21490545) is 1, the average is 0.125.

Base conversion 21490545

Base System Value
2 Binary 1010001111110101101110001
3 Ternary 1111102211111010
4 Quaternary 1101332231301
5 Quinary 21000144140
6 Senary 2044341133
8 Octal 121765561
10 Decimal 21490545
12 Duodecimal 72447a9
16 Hexadecimal 147eb71
20 Vigesimal 6e6675
36 Base36 csm7l

Cryptographic Hash Functions

md5 5a0f8130806eb57537c939ddf068f1dd
sha1 809c3d75a7065d0379519581dd1b9fbfb32a6595
sha256 de9ad7324634396fd0d3f8022b2250cbcabe4e1afcd0fc5ccd5900986918314f
sha512 32d66adfbd29f02370a6e1b5e02d0ddcfeb42cf808d276a90ba3ae31915b50aa3b49fd63ba51e8c4a8c081f619153e21e28d804a9d50e2728f68c2962bd4b811
ripemd-160 b8586514c9e6049f45e3741d498eaced3b03198f

21490545 as geometric shapes

Circle

Radius = n
Diameter 42981090
Circumference 135029076.58728
Area 1.4509242233537E+15

Sphere

Radius = n
Volume 4.1574869751431E+22
Surface area 5.8036968934148E+15
Circumference 135029076.58728

Square

Length = n
Perimeter 85962180
Area 461843524397025
Diagonal 30392220.201789

Cube

Length = n
Surface area 2771061146382150
Volume 9.9252690440129E+21
Space diagonal 37222715.822345

Equilateral Triangle

Length = n
Perimeter 64471635
Area 1.9998411235058E+14
Altitude 18611357.911173

Triangular Pyramid

Length = n
Surface area 1.9998411235058E+14
Volume 1.1697041743537E+21
Height 10130740.067263