21897668 (number)

21897668 is an even 8-digits composite number following 21897667 and preceding 21897669. In scientific notation, it is written as 2.1897668 × 10^7. The sum of its digits is 47. It has a total of 6 prime factors and 36 positive divisors. There are 9749376 positive integers (up to 21897668) that are relatively prime to 21897668.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-seven thousand six hundred sixty-eight

Notation

Scientific notation 2.1897668 × 10^7
Engineering notation 2.1897668 × 10^6

Prime Factorization of 21897668

Prime Factorization 2 × 2 × 13 × 29 × 13 × 1117

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 842218
Product of the distinct prime numbers

The prime factorization of 21897668 is 2 × 2 × 13 × 29 × 13 × 1117. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 3, 99, 53, 356, 341, 1535, 1813, 26924, 91873, 449384, 478731, 7876908, 8199353, 73318298, 15847724, 392289734, 650715724, 9594358058, 175751516

Basic calculations (n = 21897668)

Multiplication

n×y
n×2 43795336
n×3 65693004
n×4 87590672
n×5 109488340

Division

n÷y
n÷2 10948834
n÷3 7299222.6666667
n÷3 5474417
n÷5 4379533.6

Exponentiation

ny
n2 479507863838224
n3 1.0500104005719E+22
n4 2.299277914827E+29
n5 5.0348824418613E+36

Nth Root

y√n
2√n 4679.4944171353
3√n 279.76880575554
4√n 68.406830193594
5√n 29.381879506766

Divisors of 21897668

1, 2, 4, 13, 26, 29, 52, 58, 116, 169, 338, 377, 676, 754, 1117, 1508, 2234, 4468, 4901, 9802, 14521, 19604, 29042, 32393, 58084, 64786, 129572, 188773, 377546, 421109, 755092, 842218, 1684436, 5474417, 10948834, 21897668

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21897667
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21897668 can be divided by 36 positive divisors. The sum of these divisors (counting 21897668) is 1, the average is 0.027777777777778.

Base conversion 21897668

Base System Value
2 Binary 1010011100010000111000100
3 Ternary 1112012111221202
4 Quaternary 1103202013010
5 Quinary 21101211133
6 Senary 2101202032
8 Octal 123420704
10 Decimal 21897668
12 Duodecimal 7400318
16 Hexadecimal 14e21c4
20 Vigesimal 6gh438
36 Base36 d1cck

Cryptographic Hash Functions

md5 6277b7a7b3ba1427ae0afa1ba36795d5
sha1 d44e9ad92d5a99b8ea6c7e90ea03c1f1c419bb90
sha256 729920f46b16f39fb5b3525dc5c1ec1c7dc252d27606aec997bf48418918144e
sha512 25d35df5d6797a68bc3e209557c44c9b6c0574901d92fcf2faab19b20b4da78093118a7eb2ac7056421d110636f578adec568aeefde2663480951b979638170f
ripemd-160 d557333721e1bb0a9587f14cf64bceb3a6056691

21897668 as geometric shapes

Circle

Radius = n
Diameter 43795336
Circumference 137587105.8391
Area 1.5064183823727E+15

Sphere

Radius = n
Volume 4.3982732808393E+22
Surface area 6.0256735294908E+15
Circumference 137587105.8391

Square

Length = n
Perimeter 87590672
Area 479507863838224
Diagonal 30967979.069943

Cube

Length = n
Surface area 2877047183029344
Volume 1.0500104005719E+22
Space diagonal 37927873.543275

Equilateral Triangle

Length = n
Perimeter 65693004
Area 2.0763299569916E+14
Altitude 18963936.771638

Triangular Pyramid

Length = n
Surface area 2.0763299569916E+14
Volume 1.2374491242679E+21
Height 10322659.689981