21000895 (number)

21000895 is an odd 8-digits composite number following 21000894 and preceding 21000896. In scientific notation, it is written as 2.1000895 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 16775136 positive integers (up to 21000895) that are relatively prime to 21000895.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-five

Notation

Scientific notation 2.1000895 × 10^7
Engineering notation 2.1000895 × 10^6

Prime Factorization of 21000895

Prime Factorization 5 × 743 × 5653

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000895
Product of the distinct prime numbers

The prime factorization of 21000895 is 5 × 743 × 5653. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000895)

Multiplication

n×y
n×2 42001790
n×3 63002685
n×4 84003580
n×5 105004475

Division

n÷y
n÷2 10500447.5
n÷3 7000298.3333333
n÷3 5250223.75
n÷5 4200179

Exponentiation

ny
n2 441037590801025
n3 9.2621841354653E+21
n4 1.9451415649957E+29
n5 4.0849713766611E+36

Nth Root

y√n
2√n 4582.6733464213
3√n 275.89633700646
4√n 67.695445536766
5√n 29.137182939209

Divisors of 21000895

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 -21000894
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 21000895 can be divided by 8 positive divisors. The sum of these divisors (counting 21000895) is 1, the average is 0.125.

Base conversion 21000895

Base System Value
2 Binary 1010000000111001010111111
3 Ternary 1110111221210221
4 Quaternary 1100013022333
5 Quinary 20334012040
6 Senary 2030042211
8 Octal 120071277
10 Decimal 21000895
12 Duodecimal 7049367
16 Hexadecimal 14072bf
20 Vigesimal 6b524f
36 Base36 ci4e7

Cryptographic Hash Functions

md5 5dd509253495f14ca406c6083f10888b
sha1 e1edc0245f6ded83aad13ff727981284dda5f553
sha256 9c8aa9c7fbc94e2a0632f0426564762a3048e3a12fde5eb16c01cc44c48d16c4
sha512 322999684780d25922059a0dfb9f9f0630abee4006f290d77cd786194c2be8548898f3d2ba92f7269d06e986afec1fd18764ccb6ebf9b1353c244742598b9cc7
ripemd-160 3dbeeaaab8e2c72518b4d30c594b9f6c54c255d1

21000895 as geometric shapes

Circle

Radius = n
Diameter 42001790
Circumference 131952514.90162
Area 1.3855604552174E+15

Sphere

Radius = n
Volume 3.8797346181565E+22
Surface area 5.5422418208698E+15
Circumference 131952514.90162

Square

Length = n
Perimeter 84003580
Area 441037590801025
Diagonal 29699750.530973

Cube

Length = n
Surface area 2646225544806150
Volume 9.2621841354653E+21
Space diagonal 36374617.144419

Equilateral Triangle

Length = n
Perimeter 63002685
Area 1.9097487882879E+14
Altitude 18187308.57221

Triangular Pyramid

Length = n
Surface area 1.9097487882879E+14
Volume 1.0915588684643E+21
Height 9899916.8436578