21000897 (number)

21000897 is an odd 8-digits composite number following 21000896 and preceding 21000898. In scientific notation, it is written as 2.1000897 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 13392000 positive integers (up to 21000897) that are relatively prime to 21000897.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-seven

Notation

Scientific notation 2.1000897 × 10^7
Engineering notation 2.1000897 × 10^6

Prime Factorization of 21000897

Prime Factorization 27 × 61 × 41 × 311

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21000897
Product of the distinct prime numbers

The prime factorization of 21000897 is 27 × 61 × 41 × 311. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000897)

Multiplication

n×y
n×2 42001794
n×3 63002691
n×4 84003588
n×5 105004485

Division

n÷y
n÷2 10500448.5
n÷3 7000299
n÷3 5250224.25
n÷5 4200179.4

Exponentiation

ny
n2 441037674804609
n3 9.2621867816911E+21
n4 1.9451423059706E+29
n5 4.084973321803E+36

Nth Root

y√n
2√n 4582.6735646345
3√n 275.8963457647
4√n 67.695447148494
5√n 29.137183494179

Divisors of 21000897

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 -21000896
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 21000897 can be divided by 16 positive divisors. The sum of these divisors (counting 21000897) is 1, the average is 0.0625.

Base conversion 21000897

Base System Value
2 Binary 1010000000111001011000001
3 Ternary 1110111221211000
4 Quaternary 1100013023001
5 Quinary 20334012042
6 Senary 2030042213
8 Octal 120071301
10 Decimal 21000897
12 Duodecimal 7049369
16 Hexadecimal 14072c1
20 Vigesimal 6b524h
36 Base36 ci4e9

Cryptographic Hash Functions

md5 d07ec100607a9db9832384be38d8ac71
sha1 8e4c428f2d18596a21f8bdb60294deb377889107
sha256 5a13e20b81337728deb2ee71a3c4b658147698de0946b6b3b38f0ff27c6929b3
sha512 c01de9a296f6d5f7da9ac70a73599b847d47505e23edf7707583ea16feea4eaaaed2889dfccfef1f007c4024fd6b20b12c80b801f65aba0ee8a6f3e6d97e789a
ripemd-160 320654b564477724511ba2b944ebe4e4139c3985

21000897 as geometric shapes

Circle

Radius = n
Diameter 42001794
Circumference 131952527.46799
Area 1.3855607191225E+15

Sphere

Radius = n
Volume 3.879735726605E+22
Surface area 5.5422428764899E+15
Circumference 131952527.46799

Square

Length = n
Perimeter 84003588
Area 441037674804609
Diagonal 29699753.3594

Cube

Length = n
Surface area 2646226048827654
Volume 9.2621867816911E+21
Space diagonal 36374620.608521

Equilateral Triangle

Length = n
Perimeter 63002691
Area 1.9097491520341E+14
Altitude 18187310.30426

Triangular Pyramid

Length = n
Surface area 1.9097491520341E+14
Volume 1.091559180325E+21
Height 9899917.7864668