21491050 (number)

21491050 is an even 8-digits composite number following 21491049 and preceding 21491051. In scientific notation, it is written as 2.1491050 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors. There are 7368240 positive integers (up to 21491050) that are relatively prime to 21491050.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand fifty

Notation

Scientific notation 2.1491050 × 10^7
Engineering notation 2.1491050 × 10^6

Prime Factorization of 21491050

Prime Factorization 2 × 25 × 7 × 61403

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21491050
Product of the distinct prime numbers

The prime factorization of 21491050 is 2 × 25 × 7 × 61403. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491050)

Multiplication

n×y
n×2 42982100
n×3 64473150
n×4 85964200
n×5 107455250

Division

n÷y
n÷2 10745525
n÷3 7163683.3333333
n÷3 5372762.5
n÷5 4298210

Exponentiation

ny
n2 461865230102500
n3 9.9259687533943E+21
n4 2.1331949077764E+29
n5 4.5844598422767E+36

Nth Root

y√n
2√n 4635.8440439687
3√n 278.02629877321
4√n 68.087032862129
5√n 29.271941390345

Divisors of 21491050

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 -21491049
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 21491050 can be divided by 16 positive divisors. The sum of these divisors (counting 21491050) is 1, the average is 0.0625.

Base conversion 21491050

Base System Value
2 Binary 1010001111110110101101010
3 Ternary 1111102212011211
4 Quaternary 1101332311222
5 Quinary 21000203200
6 Senary 2044343334
8 Octal 121766552
10 Decimal 21491050
12 Duodecimal 7244b4a
16 Hexadecimal 147ed6a
20 Vigesimal 6e67ca
36 Base36 csmlm

Cryptographic Hash Functions

md5 1f974f0a76d6adde4c445408a3bbf749
sha1 682217a194d12099fa9e673dab6fc87a639ecaec
sha256 7142003cc2ad2c9b6ffd52da8114512f6ed5540aeed08fb4b667884768a4b99a
sha512 0f34e26794b4c718caeb5134bd68d345e8c77b3c692122ff12679c1cee0d23f44adb89bc60f55ada45423d48dfe2c5ad7f725f0595db1586f69c58099ff86ae5
ripemd-160 c927866a5af49ff4980a40a277a587a24f75b60b

21491050 as geometric shapes

Circle

Radius = n
Diameter 42982100
Circumference 135032249.59586
Area 1.4509924138386E+15

Sphere

Radius = n
Volume 4.1577800687234E+22
Surface area 5.8039696553543E+15
Circumference 135032249.59586

Square

Length = n
Perimeter 85964200
Area 461865230102500
Diagonal 30392934.379638

Cube

Length = n
Surface area 2771191380615000
Volume 9.9259687533943E+21
Space diagonal 37223590.508003

Equilateral Triangle

Length = n
Perimeter 64473150
Area 1.9999351119676E+14
Altitude 18611795.254002

Triangular Pyramid

Length = n
Surface area 1.9999351119676E+14
Volume 1.1697866358952E+21
Height 10130978.126546