21007789 (number)

21007789 is an odd 8-digits composite number following 21007788 and preceding 21007790. In scientific notation, it is written as 2.1007789 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 19097980 positive integers (up to 21007789) that are relatively prime to 21007789.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1007789 × 10^7
Engineering notation 2.1007789 × 10^6

Prime Factorization of 21007789

Prime Factorization 11 × 1909799

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21007789
Product of the distinct prime numbers

The prime factorization of 21007789 is 11 × 1909799. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21007789)

Multiplication

n×y
n×2 42015578
n×3 63023367
n×4 84031156
n×5 105038945

Division

n÷y
n÷2 10503894.5
n÷3 7002596.3333333
n÷3 5251947.25
n÷5 4201557.8

Exponentiation

ny
n2 441327198668521
n3 9.2713086695894E+21
n4 1.947696962846E+29
n5 4.091680683141E+36

Nth Root

y√n
2√n 4583.4254657407
3√n 275.92652335896
4√n 67.701000478137
5√n 29.13909567072

Divisors of 21007789

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 -21007788
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 21007789 can be divided by 4 positive divisors. The sum of these divisors (counting 21007789) is 1, the average is 0.25.

Base conversion 21007789

Base System Value
2 Binary 1010000001000110110101101
3 Ternary 1110112022021021
4 Quaternary 1100020312231
5 Quinary 20334222124
6 Senary 2030134141
8 Octal 120106655
10 Decimal 21007789
12 Duodecimal 7051351
16 Hexadecimal 1408dad
20 Vigesimal 6b5j99
36 Base36 ci9pp

Cryptographic Hash Functions

md5 33b92ef58f1fd05902d967b3acd98f54
sha1 928b6f7fb72243d01bede4ba694c7aeb67418c34
sha256 f4a320870e2ae23b7112f4b9f522f851229ae45c5776c5801c811776c23ee0b5
sha512 49ed8bcf35d9dfeba3434e05aac7394c7193fa796519a73b7985d0a6c3ef7f7f7e12d698c0a2bb432fdf2c791de984ddd1a0447d9328e28d9d087a0c72dbbc07
ripemd-160 65596c131eef4ef15c2b9baca128559ed38028b0

21007789 as geometric shapes

Circle

Radius = n
Diameter 42015578
Circumference 131995831.18113
Area 1.3864702851664E+15

Sphere

Radius = n
Volume 3.8835566940727E+22
Surface area 5.5458811406656E+15
Circumference 131995831.18113

Square

Length = n
Perimeter 84031156
Area 441327198668521
Diagonal 29709500.119272

Cube

Length = n
Surface area 2647963192011126
Volume 9.2713086695894E+21
Space diagonal 36386557.902687

Equilateral Triangle

Length = n
Perimeter 63023367
Area 1.9110028271398E+14
Altitude 18193278.951343

Triangular Pyramid

Length = n
Surface area 1.9110028271398E+14
Volume 1.0926342051234E+21
Height 9903166.7064241