21909512 (number)

21909512 is an even 8-digits composite number following 21909511 and preceding 21909513. In scientific notation, it is written as 2.1909512 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors. There are 10912960 positive integers (up to 21909512) that are relatively prime to 21909512.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand five hundred twelve

Notation

Scientific notation 2.1909512 × 10^7
Engineering notation 2.1909512 × 10^6

Prime Factorization of 21909512

Prime Factorization 2 × 2 × 2 × 269 × 10181

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5477378
Product of the distinct prime numbers

The prime factorization of 21909512 is 2 × 2 × 2 × 269 × 10181. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 5, 70, 22, 202, 133, 9977, 5220, 19469, 64047, 78061, 29965, 7186245, 2792220, 12020142, 99115471, 376871147, 866544543, 6717861438, 2559145459

Basic calculations (n = 21909512)

Multiplication

n×y
n×2 43819024
n×3 65728536
n×4 87638048
n×5 109547560

Division

n÷y
n÷2 10954756
n÷3 7303170.6666667
n÷3 5477378
n÷5 4381902.4

Exponentiation

ny
n2 480026716078144
n3 1.0517151096235E+22
n4 2.3042564814877E+29
n5 5.0485135032232E+36

Nth Root

y√n
2√n 4680.7597673882
3√n 279.81923706933
4√n 68.416078281265
5√n 29.385057230668

Divisors of 21909512

1, 2, 4, 8, 269, 538, 1076, 2152, 10181, 20362, 40724, 81448, 2738689, 5477378, 10954756, 21909512

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 -21909511
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 21909512 can be divided by 16 positive divisors. The sum of these divisors (counting 21909512) is 1, the average is 0.0625.

Base conversion 21909512

Base System Value
2 Binary 1010011100101000000001000
3 Ternary 1112020010012102
4 Quaternary 1103211000020
5 Quinary 21102101022
6 Senary 2101332532
8 Octal 123450010
10 Decimal 21909512
12 Duodecimal 7407148
16 Hexadecimal 14e5008
20 Vigesimal 6gidfc
36 Base36 d1lhk

Cryptographic Hash Functions

md5 53d4d74c5ad6482c2d915342bda247db
sha1 0595804315cac167c117caa36cca0b55116712d2
sha256 da4a6b9f52d4367236ea46f23048dde09ccdafb8c1ea31cb6a96ee6b9ec900ba
sha512 09ccf7e862761726ec9268f994a2bd7ee75f20f9863d4b22d4f85853140ae00f9231b6fd751018535b8ac39019a59cb1e9b621b1e897b6a81ce173e6527d9749
ripemd-160 f6a42775cc21f5941dd6924c86b1e9f1a2736f26

21909512 as geometric shapes

Circle

Radius = n
Diameter 43819024
Circumference 137661523.88587
Area 1.5080484047579E+15

Sphere

Radius = n
Volume 4.4054139494166E+22
Surface area 6.0321936190317E+15
Circumference 137661523.88587

Square

Length = n
Perimeter 87638048
Area 480026716078144
Diagonal 30984729.015376

Cube

Length = n
Surface area 2880160296468864
Volume 1.0517151096235E+22
Space diagonal 37948387.95304

Equilateral Triangle

Length = n
Perimeter 65728536
Area 2.0785766530945E+14
Altitude 18974193.97652

Triangular Pyramid

Length = n
Surface area 2.0785766530945E+14
Volume 1.2394581431518E+21
Height 10328243.005125