21409788 (number)

21409788 is an even 8-digits composite number following 21409787 and preceding 21409789. In scientific notation, it is written as 2.1409788 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 7094656 positive integers (up to 21409788) that are relatively prime to 21409788.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1409788 × 10^7
Engineering notation 2.1409788 × 10^6

Prime Factorization of 21409788

Prime Factorization 2 × 2 × 3 × 173 × 10313

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10704894
Product of the distinct prime numbers

The prime factorization of 21409788 is 2 × 2 × 3 × 173 × 10313. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 5, 56, 57, 214, 765, 8701, 3865, 5960, 62387, 123505, 862240, 1177890, 6438008, 2084206, 91605809, 135033755, 976531460, 8358096070, 3190070742

Basic calculations (n = 21409788)

Multiplication

n×y
n×2 42819576
n×3 64229364
n×4 85639152
n×5 107048940

Division

n÷y
n÷2 10704894
n÷3 7136596
n÷3 5352447
n÷5 4281957.6

Exponentiation

ny
n2 458379022204944
n3 9.8137976890551E+21
n4 2.1011132799756E+29
n5 4.4984389888262E+36

Nth Root

y√n
2√n 4627.0712119007
3√n 277.67543164078
4√n 68.022578691936
5√n 29.249771208638

Divisors of 21409788

1, 2, 3, 4, 6, 12, 173, 346, 519, 692, 1038, 2076, 10313, 20626, 30939, 41252, 61878, 123756, 1784149, 3568298, 5352447, 7136596, 10704894, 21409788

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21409787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21409788 can be divided by 24 positive divisors. The sum of these divisors (counting 21409788) is 1, the average is 0.041666666666667.

Base conversion 21409788

Base System Value
2 Binary 1010001101010111111111100
3 Ternary 1111021201201010
4 Quaternary 1101222333330
5 Quinary 20440103123
6 Senary 2042515220
8 Octal 121527774
10 Decimal 21409788
12 Duodecimal 7205b10
16 Hexadecimal 146affc
20 Vigesimal 6dg498
36 Base36 cqvwc

Cryptographic Hash Functions

md5 676e93fbb7e1769603388d250c0e4a5e
sha1 da03a7c02a17f258a5b87f556d44526778e331a3
sha256 9c3e3ec4bf6c9f27dd559fed3d4a9cf54f96d4c8a9001a521f91ccfc7e6d8ed0
sha512 27b354325a8e8012a9615439c2969f0cd52dba1acc926616155ac039534e54384caaaf6acb55ac972925601d79a223d5356c9f8eba7be6a6091fa17a204708e2
ripemd-160 a76bcc4cb1c3a097b4c53bb5944b7cde8c10f14c

21409788 as geometric shapes

Circle

Radius = n
Diameter 42819576
Circumference 134521665.39143
Area 1.4400401687187E+15

Sphere

Radius = n
Volume 4.1107939631669E+22
Surface area 5.7601606748749E+15
Circumference 134521665.39143

Square

Length = n
Perimeter 85639152
Area 458379022204944
Diagonal 30278012.557133

Cube

Length = n
Surface area 2750274133229664
Volume 9.8137976890551E+21
Space diagonal 37082840.595278

Equilateral Triangle

Length = n
Perimeter 64229364
Area 1.9848393889568E+14
Altitude 18541420.297639

Triangular Pyramid

Length = n
Surface area 1.9848393889568E+14
Volume 1.1565671491873E+21
Height 10092670.852378