21000894 (number)

21000894 is an even 8-digits composite number following 21000893 and preceding 21000895. In scientific notation, it is written as 2.1000894 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 7000296 positive integers (up to 21000894) that are relatively prime to 21000894.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-four

Notation

Scientific notation 2.1000894 × 10^7
Engineering notation 2.1000894 × 10^6

Prime Factorization of 21000894

Prime Factorization 2 × 3 × 3500149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000894
Product of the distinct prime numbers

The prime factorization of 21000894 is 2 × 3 × 3500149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000894)

Multiplication

n×y
n×2 42001788
n×3 63002682
n×4 84003576
n×5 105004470

Division

n÷y
n÷2 10500447
n÷3 7000298
n÷3 5250223.5
n÷5 4200178.8

Exponentiation

ny
n2 441037548799236
n3 9.2621828123526E+21
n4 1.9451411945084E+29
n5 4.0849704040904E+36

Nth Root

y√n
2√n 4582.6732373147
3√n 275.89633262734
4√n 67.695444730902
5√n 29.137182661723

Divisors of 21000894

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 -21000893
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 21000894 can be divided by 8 positive divisors. The sum of these divisors (counting 21000894) is 1, the average is 0.125.

Base conversion 21000894

Base System Value
2 Binary 1010000000111001010111110
3 Ternary 1110111221210220
4 Quaternary 1100013022332
5 Quinary 20334012034
6 Senary 2030042210
8 Octal 120071276
10 Decimal 21000894
12 Duodecimal 7049366
16 Hexadecimal 14072be
20 Vigesimal 6b524e
36 Base36 ci4e6

Cryptographic Hash Functions

md5 740fd7d0fbaf62fc7827835394706239
sha1 c59aac498c2b88fea7e4b0f1bbe07631a9c6596c
sha256 996d1b149ba9b31cde7e12aa03324ea1af8daa76504f59fc52988ec2f177b3c5
sha512 86c8d3656dc49bd8239f08a171f4cf7f78d7ce2aa3ee30ee4e4f1146ae4454b17d3c3a7bbc1992c794c056bb3d32932e80a18e152d474f5f000520bed9dd3dfe
ripemd-160 e1471437207f386543492b4a86d08015dcf08293

21000894 as geometric shapes

Circle

Radius = n
Diameter 42001788
Circumference 131952508.61844
Area 1.3855603232649E+15

Sphere

Radius = n
Volume 3.8797340639323E+22
Surface area 5.5422412930597E+15
Circumference 131952508.61844

Square

Length = n
Perimeter 84003576
Area 441037548799236
Diagonal 29699749.11676

Cube

Length = n
Surface area 2646225292795416
Volume 9.2621828123526E+21
Space diagonal 36374615.412368

Equilateral Triangle

Length = n
Perimeter 63002682
Area 1.9097486064148E+14
Altitude 18187307.706184

Triangular Pyramid

Length = n
Surface area 1.9097486064148E+14
Volume 1.091558712534E+21
Height 9899916.3722533