21000901 (number)

21000901 is an odd 8-digits composite number following 21000900 and preceding 21000902. In scientific notation, it is written as 2.1000901 × 10^7. The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors. There are 20221488 positive integers (up to 21000901) that are relatively prime to 21000901.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred one

Notation

Scientific notation 2.1000901 × 10^7
Engineering notation 2.1000901 × 10^6

Prime Factorization of 21000901

Prime Factorization 487 × 29 × 1487

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000901
Product of the distinct prime numbers

The prime factorization of 21000901 is 487 × 29 × 1487. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000901)

Multiplication

n×y
n×2 42001802
n×3 63002703
n×4 84003604
n×5 105004505

Division

n÷y
n÷2 10500450.5
n÷3 7000300.3333333
n÷3 5250225.25
n÷5 4200180.2

Exponentiation

ny
n2 441037842811801
n3 9.2621920741442E+21
n4 1.9451437879209E+29
n5 4.0849772120891E+36

Nth Root

y√n
2√n 4582.674001061
3√n 275.89636328118
4√n 67.695450371949
5√n 29.137184604119

Divisors of 21000901

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 -21000900
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 21000901 can be divided by 8 positive divisors. The sum of these divisors (counting 21000901) is 1, the average is 0.125.

Base conversion 21000901

Base System Value
2 Binary 1010000000111001011000101
3 Ternary 1110111221211011
4 Quaternary 1100013023011
5 Quinary 20334012101
6 Senary 2030042221
8 Octal 120071305
10 Decimal 21000901
12 Duodecimal 7049371
16 Hexadecimal 14072c5
20 Vigesimal 6b5251
36 Base36 ci4ed

Cryptographic Hash Functions

md5 8beb60f938b7cc8aaff93c2674d0b1c0
sha1 781e98b58caa8c7c5065ca6b6439b573bfd34cd4
sha256 048c47ad4ea2dbc97eb65547cae5e208da6d349cbf9f1b4e5dda10c986881a1f
sha512 9df92e1ad6023d89689f6b59704b7db31520b9b4a4f031c7eb90922394d74114a592482020abd1efdc2c22cc7dd848f4f0f2c01c4e48797252b81051e91c3ad7
ripemd-160 370b3e6ccc530555b7bba6d64bcd32963534c645

21000901 as geometric shapes

Circle

Radius = n
Diameter 42001802
Circumference 131952552.60073
Area 1.3855612469326E+15

Sphere

Radius = n
Volume 3.8797379435025E+22
Surface area 5.5422449877306E+15
Circumference 131952552.60073

Square

Length = n
Perimeter 84003604
Area 441037842811801
Diagonal 29699759.016255

Cube

Length = n
Surface area 2646227056870806
Volume 9.2621920741442E+21
Space diagonal 36374627.536724

Equilateral Triangle

Length = n
Perimeter 63002703
Area 1.9097498795265E+14
Altitude 18187313.768362

Triangular Pyramid

Length = n
Surface area 1.9097498795265E+14
Volume 1.0915598040466E+21
Height 9899919.6720849