21992145 (number)

21992145 is an odd 8-digits composite number following 21992144 and preceding 21992146. In scientific notation, it is written as 2.1992145 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 10053504 positive integers (up to 21992145) that are relatively prime to 21992145.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred ninety-two thousand one hundred forty-five

Notation

Scientific notation 2.1992145 × 10^7
Engineering notation 2.1992145 × 10^6

Prime Factorization of 21992145

Prime Factorization 7 × 3 × 5 × 209449

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21992145
Product of the distinct prime numbers

The prime factorization of 21992145 is 7 × 3 × 5 × 209449. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21992145)

Multiplication

n×y
n×2 43984290
n×3 65976435
n×4 87968580
n×5 109960725

Division

n÷y
n÷2 10996072.5
n÷3 7330715
n÷3 5498036.25
n÷5 4398429

Exponentiation

ny
n2 483654441701025
n3 1.0636598611783E+22
n4 2.3392161897713E+29
n5 5.1444381631798E+36

Nth Root

y√n
2√n 4689.578339254
3√n 280.17058058222
4√n 68.480496049999
5√n 29.407189357572

Divisors of 21992145

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 -21992144
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 21992145 can be divided by 16 positive divisors. The sum of these divisors (counting 21992145) is 1, the average is 0.0625.

Base conversion 21992145

Base System Value
2 Binary 1010011111001001011010001
3 Ternary 1112101022112220
4 Quaternary 1103321023101
5 Quinary 21112222040
6 Senary 2103211253
8 Octal 123711321
10 Decimal 21992145
12 Duodecimal 7446b29
16 Hexadecimal 14f92d1
20 Vigesimal 6h9075
36 Base36 d3d8x

Cryptographic Hash Functions

md5 5aeba7a46ce907fd853bb0a9955dad6c
sha1 24b85670367b1267935de1bcf8dfe96a57fa287d
sha256 e1743ab9d5738adcccffb3a0458f7db609c2a86cdf6a18ff3ff5f26fcd018b24
sha512 94473c3629ebf36cf55bfea2bc348f14089c9c114dad42c98456465b2f898b0e012787b777c138257f2aab93236402be8a8281cfb37b980541c246b7a6d0bec7
ripemd-160 779d8e6d9408b2baf77b7ad2d601167331ebb26e

21992145 as geometric shapes

Circle

Radius = n
Diameter 43984290
Circumference 138180722.33736
Area 1.519445240924E+15

Sphere

Radius = n
Volume 4.4554480077281E+22
Surface area 6.0777809636961E+15
Circumference 138180722.33736

Square

Length = n
Perimeter 87968580
Area 483654441701025
Diagonal 31101589.724676

Cube

Length = n
Surface area 2901926650206150
Volume 1.0636598611783E+22
Space diagonal 38091512.507422

Equilateral Triangle

Length = n
Perimeter 65976435
Area 2.0942851658313E+14
Altitude 19045756.253711

Triangular Pyramid

Length = n
Surface area 2.0942851658313E+14
Volume 1.2535351678585E+21
Height 10367196.574892