21909997 (number)

21909997 is an odd 8-digits composite number following 21909996 and preceding 21909998. In scientific notation, it is written as 2.1909997 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 21900636 positive integers (up to 21909997) that are relatively prime to 21909997.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand nine hundred ninety-seven

Notation

Scientific notation 2.1909997 × 10^7
Engineering notation 2.1909997 × 10^6

Prime Factorization of 21909997

Prime Factorization 4639 × 4723

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21909997
Product of the distinct prime numbers

The prime factorization of 21909997 is 4639 × 4723. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 10, 49, 95, 76, 250, 5713, 6441, 18020, 54891, 860701, 298007, 1220904, 786581, 38483085, 7617848, 841488887, 256373986, 8874350231, 300738078

Basic calculations (n = 21909997)

Multiplication

n×y
n×2 43819994
n×3 65729991
n×4 87639988
n×5 109549985

Division

n÷y
n÷2 10954998.5
n÷3 7303332.3333333
n÷3 5477499.25
n÷5 4381999.4

Exponentiation

ny
n2 480047968540009
n3 1.0517849550568E+22
n4 2.3044605209939E+29
n5 5.0490723101595E+36

Nth Root

y√n
2√n 4680.8115749301
3√n 279.82130179399
4√n 68.41645690132
5√n 29.385187326004

Divisors of 21909997

1, 4639, 4723, 21909997

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21909996
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21909997 can be divided by 4 positive divisors. The sum of these divisors (counting 21909997) is 1, the average is 0.25.

Base conversion 21909997

Base System Value
2 Binary 1010011100101000111101101
3 Ternary 1112020010212101
4 Quaternary 1103211013231
5 Quinary 21102104442
6 Senary 2101335101
8 Octal 123450755
10 Decimal 21909997
12 Duodecimal 7407491
16 Hexadecimal 14e51ed
20 Vigesimal 6giejh
36 Base36 d1lv1

Cryptographic Hash Functions

md5 98918ada5c3904e269ec59a31cc0d9de
sha1 829654f8c0aaaa909e7786d99e33bd4914372234
sha256 8a5d4d0499e8e677077a1b49f35bac566a973987d3faacb3ddf2b2ff05488afa
sha512 248a6c8f1833cf8457a85843e8787500409202a05bbb0222965539cc9a56fc8818631b6121e9e008eeaea9b7fad0dd211b292cd292ebfbe83a538d7747a42432
ripemd-160 28495c0432c46cde6d85040e8f77d2f8f3edb4d7

21909997 as geometric shapes

Circle

Radius = n
Diameter 43819994
Circumference 137664571.23075
Area 1.508115171336E+15

Sphere

Radius = n
Volume 4.4057065172835E+22
Surface area 6.032460685344E+15
Circumference 137664571.23075

Square

Length = n
Perimeter 87639988
Area 480047968540009
Diagonal 30985414.908954

Cube

Length = n
Surface area 2880287811240054
Volume 1.0517849550568E+22
Space diagonal 37949227.997682

Equilateral Triangle

Length = n
Perimeter 65729991
Area 2.0786686789538E+14
Altitude 18974613.998841

Triangular Pyramid

Length = n
Surface area 2.0786686789538E+14
Volume 1.2395404567844E+21
Height 10328471.636318