21491337 (number)

21491337 is an odd 8-digits composite number following 21491336 and preceding 21491338. In scientific notation, it is written as 2.1491337 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 11430720 positive integers (up to 21491337) that are relatively prime to 21491337.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491337 × 10^7
Engineering notation 2.1491337 × 10^6

Prime Factorization of 21491337

Prime Factorization 21 × 19 × 61 × 883

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21491337
Product of the distinct prime numbers

The prime factorization of 21491337 is 21 × 19 × 61 × 883. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 32, 2, 494, 327, 7658, 5463, 54613, 11455, 724977, 501983, 1017489, 3450532, 23479303, 74686700, 105929663, 365203121, 9388688108, 1516948479

Basic calculations (n = 21491337)

Multiplication

n×y
n×2 42982674
n×3 64474011
n×4 85965348
n×5 107456685

Division

n÷y
n÷2 10745668.5
n÷3 7163779
n÷3 5372834.25
n÷5 4298267.4

Exponentiation

ny
n2 461877566047569
n3 9.9263664246681E+21
n4 2.1333088601803E+29
n5 4.584765963922E+36

Nth Root

y√n
2√n 4635.8749983148
3√n 278.02753639216
4√n 68.087260176297
5√n 29.272019571749

Divisors of 21491337

1, 19, 21, 61, 399, 883, 1159, 1281, 16777, 18543, 24339, 53863, 352317, 1023397, 1131123, 21491337

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 -21491336
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 21491337 can be divided by 16 positive divisors. The sum of these divisors (counting 21491337) is 1, the average is 0.0625.

Base conversion 21491337

Base System Value
2 Binary 1010001111110111010001001
3 Ternary 1111102212120110
4 Quaternary 1101332322021
5 Quinary 21000210322
6 Senary 2044344533
8 Octal 121767211
10 Decimal 21491337
12 Duodecimal 7245149
16 Hexadecimal 147ee89
20 Vigesimal 6e686h
36 Base36 csmtl

Cryptographic Hash Functions

md5 c6f3b275b4307028323f45a5ffcd03cd
sha1 b17418cbde0fbe0003e3c95565d670a9fc9fd948
sha256 26b2c1b4f2a0ea74e49c5bb0db4cc639e5faabdf728aa9f3fd6dddd609d57f58
sha512 a5fc0c27250c1a29ec7ef00229826c50816cd632dea49a616795d64a45efd300f64e477a7942ed159c3601d9087ffeeaa9b36397220926053202154c532f7836
ripemd-160 5fdd9078c33db3114412f72a111d927aeb857252

21491337 as geometric shapes

Circle

Radius = n
Diameter 42982674
Circumference 135034052.87005
Area 1.451031168353E+15

Sphere

Radius = n
Volume 4.157946644877E+22
Surface area 5.8041246734119E+15
Circumference 135034052.87005

Square

Length = n
Perimeter 85965348
Area 461877566047569
Diagonal 30393340.258931

Cube

Length = n
Surface area 2771265396285414
Volume 9.9263664246681E+21
Space diagonal 37224087.606585

Equilateral Triangle

Length = n
Perimeter 64474011
Area 1.9999885281766E+14
Altitude 18612043.803292

Triangular Pyramid

Length = n
Surface area 1.9999885281766E+14
Volume 1.1698335019042E+21
Height 10131113.419644