21492920 (number)

21492920 is an even 8-digits composite number following 21492919 and preceding 21492921. In scientific notation, it is written as 2.1492920 × 10^7. The sum of its digits is 29. It has a total of 6 prime factors and 32 positive divisors. There are 8319360 positive integers (up to 21492920) that are relatively prime to 21492920.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand nine hundred twenty

Notation

Scientific notation 2.1492920 × 10^7
Engineering notation 2.1492920 × 10^6

Prime Factorization of 21492920

Prime Factorization 2 × 2 × 2 × 5 × 31 × 17333

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5373230
Product of the distinct prime numbers

The prime factorization of 21492920 is 2 × 2 × 2 × 5 × 31 × 17333. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492920)

Multiplication

n×y
n×2 42985840
n×3 64478760
n×4 85971680
n×5 107464600

Division

n÷y
n÷2 10746460
n÷3 7164306.6666667
n÷3 5373230
n÷5 4298584

Exponentiation

ny
n2 461945610126400
n3 9.9285600427979E+21
n4 2.1339374671505E+29
n5 4.5864547266469E+36

Nth Root

y√n
2√n 4636.0457288513
3√n 278.03436250361
4√n 68.08851392747
5√n 29.272450780304

Divisors of 21492920

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 -21492919
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 21492920 can be divided by 32 positive divisors. The sum of these divisors (counting 21492920) is 1, the average is 0.03125.

Base conversion 21492920

Base System Value
2 Binary 1010001111111010010111000
3 Ternary 1111102221202002
4 Quaternary 1101333102320
5 Quinary 21000233140
6 Senary 2044400132
8 Octal 121772270
10 Decimal 21492920
12 Duodecimal 7246048
16 Hexadecimal 147f4b8
20 Vigesimal 6e6c60
36 Base36 cso1k

Cryptographic Hash Functions

md5 58c073ed7bc28f6652870fdb6560d37e
sha1 a4c1a691c3a9e67e283214656ddb04753a3d2a32
sha256 9bcb31f06966d2258873faccddf536ea974dcd33d547f8ef85b6179f280a71cd
sha512 80b7e833e62cf9a6700db9c6849e184fc1f9a616cedf55142875d74718ce9b9c6329df47a81ca8f341253291ecfe72d7200c5df8b7c38fb5f3b1df1d7eb70b56
ripemd-160 d27dd9f3b5d87e5d3a4fa95d24c5f7c2b00efcfe

21492920 as geometric shapes

Circle

Radius = n
Diameter 42985840
Circumference 135043999.15239
Area 1.4512449351312E+15

Sphere

Radius = n
Volume 4.1588655054905E+22
Surface area 5.8049797405246E+15
Circumference 135043999.15239

Square

Length = n
Perimeter 85971680
Area 461945610126400
Diagonal 30395578.959

Cube

Length = n
Surface area 2771673660758400
Volume 9.9285600427979E+21
Space diagonal 37226829.443013

Equilateral Triangle

Length = n
Perimeter 64478760
Area 2.0002831676808E+14
Altitude 18613414.721507

Triangular Pyramid

Length = n
Surface area 2.0002831676808E+14
Volume 1.17009202228E+21
Height 10131859.653