21490139 (number)

21490139 is an odd 8-digits composite number following 21490138 and preceding 21490140. In scientific notation, it is written as 2.1490139 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 18933600 positive integers (up to 21490139) that are relatively prime to 21490139.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand one hundred thirty-nine

Notation

Scientific notation 2.1490139 × 10^7
Engineering notation 2.1490139 × 10^6

Prime Factorization of 21490139

Prime Factorization 11 × 47 × 197 × 211

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21490139
Product of the distinct prime numbers

The prime factorization of 21490139 is 11 × 47 × 197 × 211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490139)

Multiplication

n×y
n×2 42980278
n×3 64470417
n×4 85960556
n×5 107450695

Division

n÷y
n÷2 10745069.5
n÷3 7163379.6666667
n÷3 5372534.75
n÷5 4298027.8

Exponentiation

ny
n2 461826074239321
n3 9.9247065292273E+21
n4 2.132833228473E+29
n5 4.5834882543704E+36

Nth Root

y√n
2√n 4635.7457868179
3√n 278.02237023029
4√n 68.086311302771
5√n 29.271693220146

Divisors of 21490139

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 -21490138
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 21490139 can be divided by 16 positive divisors. The sum of these divisors (counting 21490139) is 1, the average is 0.0625.

Base conversion 21490139

Base System Value
2 Binary 1010001111110100111011011
3 Ternary 1111102210221002
4 Quaternary 1101332213123
5 Quinary 21000141024
6 Senary 2044335215
8 Octal 121764733
10 Decimal 21490139
12 Duodecimal 724450b
16 Hexadecimal 147e9db
20 Vigesimal 6e656j
36 Base36 cslwb

Cryptographic Hash Functions

md5 33e5f2fac027e6261344fa303526db2a
sha1 5b2f307327112faab7ed23cd3baf9d4fb0ef8a05
sha256 62ae4941182d845b37bc9540e660bd78b3d956a9cdcb554f3ec98eed2dd5cafb
sha512 9e6a5d7567570197cb9b810fa00c1cf7145bf9f2e2c87cd10166d9f283c17f9e64cc0dacadeb65dc7ce18f06bfaeaa3ca7471048c7bf9976dea5b08255dfd169
ripemd-160 1aa634e22e29de070f2b9addfdcfabc8a85c851d

21490139 as geometric shapes

Circle

Radius = n
Diameter 42980278
Circumference 135026525.61405
Area 1.4508694020665E+15

Sphere

Radius = n
Volume 4.1572513495007E+22
Surface area 5.8034776082659E+15
Circumference 135026525.61405

Square

Length = n
Perimeter 85960556
Area 461826074239321
Diagonal 30391646.031083

Cube

Length = n
Surface area 2770956445435926
Volume 9.9247065292273E+21
Space diagonal 37222012.609717

Equilateral Triangle

Length = n
Perimeter 64470417
Area 1.9997655621065E+14
Altitude 18611006.304859

Triangular Pyramid

Length = n
Surface area 1.9997655621065E+14
Volume 1.1696378813505E+21
Height 10130548.677028