21787693 (number)

21787693 is an odd 8-digits composite number following 21787692 and preceding 21787694. In scientific notation, it is written as 2.1787693 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 19388160 positive integers (up to 21787693) that are relatively prime to 21787693.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred eighty-seven thousand six hundred ninety-three

Notation

Scientific notation 2.1787693 × 10^7
Engineering notation 2.1787693 × 10^6

Prime Factorization of 21787693

Prime Factorization 17 × 23 × 103 × 541

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21787693
Product of the distinct prime numbers

The prime factorization of 21787693 is 17 × 23 × 103 × 541. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21787693)

Multiplication

n×y
n×2 43575386
n×3 65363079
n×4 87150772
n×5 108938465

Division

n÷y
n÷2 10893846.5
n÷3 7262564.3333333
n÷3 5446923.25
n÷5 4357538.6

Exponentiation

ny
n2 474703566262249
n3 1.0342695567727E+22
n4 2.253434758221E+29
n5 4.9097144707648E+36

Nth Root

y√n
2√n 4667.7288910133
3√n 279.29966560437
4√n 68.32077935016
5√n 29.352307562414

Divisors of 21787693

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 -21787692
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 21787693 can be divided by 16 positive divisors. The sum of these divisors (counting 21787693) is 1, the average is 0.0625.

Base conversion 21787693

Base System Value
2 Binary 1010011000111010000101101
3 Ternary 1111222221002121
4 Quaternary 1103013100231
5 Quinary 21034201233
6 Senary 2054552541
8 Octal 123072055
10 Decimal 21787693
12 Duodecimal 7368751
16 Hexadecimal 14c742d
20 Vigesimal 6g394d
36 Base36 cyzhp

Cryptographic Hash Functions

md5 f973a7c7f5bc8dcd9c2bad87ef58ffb8
sha1 49efe61cebc3c6a822f6a7dfed7c972053ee06c5
sha256 77eeed5f680c5dd93d401c1e3a1b22ba4efbc04b0b9250ed59109bc00df670a5
sha512 528b736c913066ad5550196bb2236cbb2d501ddd6c198326f380c83c2f03898f85489e0b547f9cab230045e2d1830a5b89215be755921d01d5dabf71d6ffcc91
ripemd-160 8bafda77129fd0343f87d7b220829bfa90c3c516

21787693 as geometric shapes

Circle

Radius = n
Diameter 43575386
Circumference 136896112.53494
Area 1.4913252364024E+15

Sphere

Radius = n
Volume 4.3323381885183E+22
Surface area 5.9653009456094E+15
Circumference 136896112.53494

Square

Length = n
Perimeter 87150772
Area 474703566262249
Diagonal 30812450.933421

Cube

Length = n
Surface area 2848221397573494
Volume 1.0342695567727E+22
Space diagonal 37737391.255713

Equilateral Triangle

Length = n
Perimeter 65363079
Area 2.0555267382509E+14
Altitude 18868695.627856

Triangular Pyramid

Length = n
Surface area 2.0555267382509E+14
Volume 1.218898361948E+21
Height 10270816.977807