21749970 (number)

21749970 is an even 8-digits composite number following 21749969 and preceding 21749971. In scientific notation, it is written as 2.1749970 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 4961280 positive integers (up to 21749970) that are relatively prime to 21749970.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred forty-nine thousand nine hundred seventy

Notation

Scientific notation 2.1749970 × 10^7
Engineering notation 2.1749970 × 10^6

Prime Factorization of 21749970

Prime Factorization 2 × 165 × 17 × 3877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21749970
Product of the distinct prime numbers

The prime factorization of 21749970 is 2 × 165 × 17 × 3877. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 29, 95, 13, 614, 7765, 7217, 67642, 39660, 33267, 683342, 5331825, 4182080, 69374248, 81296454, 571582934, 913307280, 2940975747, 9294453519

Basic calculations (n = 21749970)

Multiplication

n×y
n×2 43499940
n×3 65249910
n×4 86999880
n×5 108749850

Division

n÷y
n÷2 10874985
n÷3 7249990
n÷3 5437492.5
n÷5 4349994

Exponentiation

ny
n2 473061195000900
n3 1.0289066799434E+22
n4 2.2378689421568E+29
n5 4.8673582355842E+36

Nth Root

y√n
2√n 4663.6863102057
3√n 279.13838024332
4√n 68.291187646765
5√n 29.342136455878

Divisors of 21749970

1, 2, 17, 34, 165, 330, 2805, 3877, 5610, 7754, 65909, 131818, 639705, 1279410, 10874985, 21749970

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 -21749969
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 21749970 can be divided by 16 positive divisors. The sum of these divisors (counting 21749970) is 1, the average is 0.0625.

Base conversion 21749970

Base System Value
2 Binary 1010010111110000011010010
3 Ternary 1111221000100110
4 Quaternary 1102332003102
5 Quinary 21031444340
6 Senary 2054102150
8 Octal 122760322
10 Decimal 21749970
12 Duodecimal 734a956
16 Hexadecimal 14be0d2
20 Vigesimal 6fieia
36 Base36 cy6du

Cryptographic Hash Functions

md5 26dc5b13b9a1204798c71a7e75048610
sha1 8a5f021de5264a3935fba55d2afe3844cb845fbb
sha256 fcf803acf3a396bf96644b21e04f6e149c30974e36eb5354c95a9032264fc90c
sha512 814e9c1efd0d941208a485a424acea7e32ee89d941cc5788bd28e3e8e68026642be2db9a380b296000a6c66d4d73b3f6da8ad639a906870015d96e34b91ad49a
ripemd-160 ab905d2c45cb6cca1d1724cd6842d0358ac328d1

21749970 as geometric shapes

Circle

Radius = n
Diameter 43499940
Circumference 136659091.9356
Area 1.4861655749132E+15

Sphere

Radius = n
Volume 4.3098742225861E+22
Surface area 5.9446622996529E+15
Circumference 136659091.9356

Square

Length = n
Perimeter 86999880
Area 473061195000900
Diagonal 30759102.555208

Cube

Length = n
Surface area 2838367170005400
Volume 1.0289066799434E+22
Space diagonal 37672053.103099

Equilateral Triangle

Length = n
Perimeter 65249910
Area 2.048415062077E+14
Altitude 18836026.551549

Triangular Pyramid

Length = n
Surface area 2.048415062077E+14
Volume 1.2125781509935E+21
Height 10253034.185069