21091321 (number)

21091321 is an odd 8-digits composite number following 21091320 and preceding 21091322. In scientific notation, it is written as 2.1091321 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 21074944 positive integers (up to 21091321) that are relatively prime to 21091321.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1091321 × 10^7
Engineering notation 2.1091321 × 10^6

Prime Factorization of 21091321

Prime Factorization 1409 × 14969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21091321
Product of the distinct prime numbers

The prime factorization of 21091321 is 1409 × 14969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 2, 25, 84, 830, 277, 9377, 6710, 19253, 40037, 431238, 565324, 8134506, 7277732, 87380062, 41698381, 823199451, 417524409, 4105470548, 212106890

Basic calculations (n = 21091321)

Multiplication

n×y
n×2 42182642
n×3 63273963
n×4 84365284
n×5 105456605

Division

n÷y
n÷2 10545660.5
n÷3 7030440.3333333
n÷3 5272830.25
n÷5 4218264.2

Exponentiation

ny
n2 444843821525041
n3 9.3823438346513E+21
n4 1.97886025549E+29
n5 4.1736776862682E+36

Nth Root

y√n
2√n 4592.5288240794
3√n 276.29175634646
4√n 67.768199209359
5√n 29.162231706678

Divisors of 21091321

1, 1409, 14969, 21091321

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21091320
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091321 can be divided by 4 positive divisors. The sum of these divisors (counting 21091321) is 1, the average is 0.25.

Base conversion 21091321

Base System Value
2 Binary 1010000011101001111111001
3 Ternary 1110200112212001
4 Quaternary 1100131033321
5 Quinary 20344410241
6 Senary 2032021001
8 Octal 120351771
10 Decimal 21091321
12 Duodecimal 7091761
16 Hexadecimal 141d3f9
20 Vigesimal 6bg861
36 Base36 ck261

Cryptographic Hash Functions

md5 1bae903caea376c959f2fa131e15a80e
sha1 f03dfa1395133dcdd09e7faab68004d38780cbcb
sha256 adad6db7efeae40faf6654464650ddd12a6edc739e7c83c88513d57adf93a987
sha512 6f762a35ce46fdb4ba5deba1793f297fc291cb99034d15e9e6e2cdf257afe745f5d1b3a33487bb2ab344e06e00a21c5458d3060daede64b2f6485624ecb90956
ripemd-160 a0ee1e647522eb51dcf81f7b8bfdd76234f53020

21091321 as geometric shapes

Circle

Radius = n
Diameter 42182642
Circumference 132520678.21621
Area 1.3975180816979E+15

Sphere

Radius = n
Volume 3.9300669952526E+22
Surface area 5.5900723267915E+15
Circumference 132520678.21621

Square

Length = n
Perimeter 84365284
Area 444843821525041
Diagonal 29827632.206564

Cube

Length = n
Surface area 2669062929150246
Volume 9.3823438346513E+21
Space diagonal 36531239.570744

Equilateral Triangle

Length = n
Perimeter 63273963
Area 1.9262302507862E+14
Altitude 18265619.785372

Triangular Pyramid

Length = n
Surface area 1.9262302507862E+14
Volume 1.1057198248176E+21
Height 9942544.0688548