21491700 (number)

21491700 is an even 8-digits composite number following 21491699 and preceding 21491701. In scientific notation, it is written as 2.1491700 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors. There are 5644800 positive integers (up to 21491700) that are relatively prime to 21491700.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491700 × 10^7
Engineering notation 2.1491700 × 10^6

Prime Factorization of 21491700

Prime Factorization 2 × 2 × 75 × 71 × 1009

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10745850
Product of the distinct prime numbers

The prime factorization of 21491700 is 2 × 2 × 75 × 71 × 1009. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 10, 20, 35, 982, 96, 5209, 3987, 81704, 91995, 267978, 841808, 9100379, 2148749, 34594291, 88492264, 50577779, 77450557, 4751834882, 657578631

Basic calculations (n = 21491700)

Multiplication

n×y
n×2 42983400
n×3 64475100
n×4 85966800
n×5 107458500

Division

n÷y
n÷2 10745850
n÷3 7163900
n÷3 5372925
n÷5 4298340

Exponentiation

ny
n2 461893168890000
n3 9.9268694178332E+21
n4 2.1334529946725E+29
n5 4.5851531725602E+36

Nth Root

y√n
2√n 4635.9141493345
3√n 278.02910172719
4√n 68.087547681896
5√n 29.272118455047

Divisors of 21491700

1, 2, 4, 71, 75, 142, 150, 284, 300, 1009, 2018, 4036, 5325, 10650, 21300, 71639, 75675, 143278, 151350, 286556, 302700, 5372925, 10745850, 21491700

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 -21491699
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 21491700 can be divided by 24 positive divisors. The sum of these divisors (counting 21491700) is 1, the average is 0.041666666666667.

Base conversion 21491700

Base System Value
2 Binary 1010001111110111111110100
3 Ternary 1111102220001220
4 Quaternary 1101332333310
5 Quinary 21000213300
6 Senary 2044350340
8 Octal 121767764
10 Decimal 21491700
12 Duodecimal 72453b0
16 Hexadecimal 147eff4
20 Vigesimal 6e6950
36 Base36 csn3o

Cryptographic Hash Functions

md5 51016cd454b391dd0b0e23b2b16b6fc3
sha1 111003f7c805e30bf80773d3fea1c0f1a0735e0d
sha256 c956b029b0ea7bb4021aa42b9176ff721082cf2249790e6669e0c04feb09a760
sha512 9c820c8f77edcac411217a63b60a781627d87d31cfdaca9db2078572ec97849f4c92f79e0d13e03c86f241a64ce8c81e9a852308c574165bbdbe1ecc7a927351
ripemd-160 2c9db1498bcf2aec862de69c23d10c7ab2dce705

21491700 as geometric shapes

Circle

Radius = n
Diameter 42983400
Circumference 135036333.66631
Area 1.4510801861281E+15

Sphere

Radius = n
Volume 4.1581573381613E+22
Surface area 5.8043207445125E+15
Circumference 135036333.66631

Square

Length = n
Perimeter 85966800
Area 461893168890000
Diagonal 30393853.618454

Cube

Length = n
Surface area 2771359013340000
Volume 9.9268694178332E+21
Space diagonal 37224716.341028

Equilateral Triangle

Length = n
Perimeter 64475100
Area 2.0000560904662E+14
Altitude 18612358.170514

Triangular Pyramid

Length = n
Surface area 2.0000560904662E+14
Volume 1.1698927802172E+21
Height 10131284.539485