21091570 (number)

21091570 is an even 8-digits composite number following 21091569 and preceding 21091571. In scientific notation, it is written as 2.1091570 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 8388784 positive integers (up to 21091570) that are relatively prime to 21091570.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand five hundred seventy

Notation

Scientific notation 2.1091570 × 10^7
Engineering notation 2.1091570 × 10^6

Prime Factorization of 21091570

Prime Factorization 2 × 5 × 179 × 11783

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21091570
Product of the distinct prime numbers

The prime factorization of 21091570 is 2 × 5 × 179 × 11783. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21091570)

Multiplication

n×y
n×2 42183140
n×3 63274710
n×4 84366280
n×5 105457850

Division

n÷y
n÷2 10545785
n÷3 7030523.3333333
n÷3 5272892.5
n÷5 4218314

Exponentiation

ny
n2 444854325064900
n3 9.3826761369091E+21
n4 1.9789537052895E+29
n5 4.1739240601872E+36

Nth Root

y√n
2√n 4592.5559332468
3√n 276.29284362428
4√n 67.768399222992
5√n 29.162300563071

Divisors of 21091570

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 -21091569
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 21091570 can be divided by 16 positive divisors. The sum of these divisors (counting 21091570) is 1, the average is 0.0625.

Base conversion 21091570

Base System Value
2 Binary 1010000011101010011110010
3 Ternary 1110200120012021
4 Quaternary 1100131103302
5 Quinary 20344412240
6 Senary 2032022054
8 Octal 120352362
10 Decimal 21091570
12 Duodecimal 709192a
16 Hexadecimal 141d4f2
20 Vigesimal 6bg8ia
36 Base36 ck2cy

Cryptographic Hash Functions

md5 acb5e29f382dc185188b6f91550406ae
sha1 ad4663e9bb4697bdf5863c0d44f84efe565be00e
sha256 231e2911457925d0b3744d709a9181fbd77ac59dbad9df7bd0455d8617b1cea8
sha512 c65af385279e2c4bf134c3537999aac8a8dc974bc528ad6a9afce03f02d76af466c2d647bd44ae4d2c5322ea0ae1e8d37bfb039ef098d04245e51550f533a97f
ripemd-160 5378375c0502160b5c4ad54387a1afdb5938d6b8

21091570 as geometric shapes

Circle

Radius = n
Diameter 42183140
Circumference 132522242.72935
Area 1.3975510795415E+15

Sphere

Radius = n
Volume 3.9302061896968E+22
Surface area 5.5902043181661E+15
Circumference 132522242.72935

Square

Length = n
Perimeter 84366280
Area 444854325064900
Diagonal 29827984.345742

Cube

Length = n
Surface area 2669125950389400
Volume 9.3826761369091E+21
Space diagonal 36531670.851396

Equilateral Triangle

Length = n
Perimeter 63274710
Area 1.9262757324479E+14
Altitude 18265835.425698

Triangular Pyramid

Length = n
Surface area 1.9262757324479E+14
Volume 1.1057589870143E+21
Height 9942661.4485805