21491325 (number)

21491325 is an odd 8-digits composite number following 21491324 and preceding 21491326. In scientific notation, it is written as 2.1491325 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 11460960 positive integers (up to 21491325) that are relatively prime to 21491325.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand three hundred twenty-five

Notation

Scientific notation 2.1491325 × 10^7
Engineering notation 2.1491325 × 10^6

Prime Factorization of 21491325

Prime Factorization 81 × 25 × 10613

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21491325
Product of the distinct prime numbers

The prime factorization of 21491325 is 81 × 25 × 10613. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491325)

Multiplication

n×y
n×2 42982650
n×3 64473975
n×4 85965300
n×5 107456625

Division

n÷y
n÷2 10745662.5
n÷3 7163775
n÷3 5372831.25
n÷5 4298265

Exponentiation

ny
n2 461877050255625
n3 9.926349797085E+21
n4 2.1333040955284E+29
n5 4.5847531640831E+36

Nth Root

y√n
2√n 4635.8737040605
3√n 278.02748464525
4√n 68.087250671918
5√n 29.272016302857

Divisors of 21491325

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491324
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491325 can be divided by 8 positive divisors. The sum of these divisors (counting 21491325) is 1, the average is 0.125.

Base conversion 21491325

Base System Value
2 Binary 1010001111110111001111101
3 Ternary 1111102212120000
4 Quaternary 1101332321331
5 Quinary 21000210300
6 Senary 2044344513
8 Octal 121767175
10 Decimal 21491325
12 Duodecimal 7245139
16 Hexadecimal 147ee7d
20 Vigesimal 6e6865
36 Base36 csmt9

Cryptographic Hash Functions

md5 dd085b151b443bdffdd207040ebcbe3c
sha1 0c26f113af26ad42a9cd504e5df5f7bfdacb9641
sha256 048a8faa14d0f4e7b2455c96a5a8ec49b2ca175512a953918ff4e13e2c3e4d2b
sha512 1ec7b5779d43063766e15e3bc3bf99a49924a7af068fc40614444638cd914da2cc6036ad3ae0eb38f20360dc249e33c5420871f1663812f4b1ee61174f67e92f
ripemd-160 89f67bda8bc7de2905e2bb82db76aad84fe32fb8

21491325 as geometric shapes

Circle

Radius = n
Diameter 42982650
Circumference 135033977.47182
Area 1.4510295479448E+15

Sphere

Radius = n
Volume 4.1579396799313E+22
Surface area 5.8041181917792E+15
Circumference 135033977.47182

Square

Length = n
Perimeter 85965300
Area 461877050255625
Diagonal 30393323.288368

Cube

Length = n
Surface area 2771262301533750
Volume 9.926349797085E+21
Space diagonal 37224066.821975

Equilateral Triangle

Length = n
Perimeter 64473975
Area 1.999986294732E+14
Altitude 18612033.410988

Triangular Pyramid

Length = n
Surface area 1.999986294732E+14
Volume 1.1698315423247E+21
Height 10131107.762789