21288897 (number)

21288897 is an odd 8-digits composite number following 21288896 and preceding 21288898. In scientific notation, it is written as 2.1288897 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 12165048 positive integers (up to 21288897) that are relatively prime to 21288897.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred eighty-eight thousand eight hundred ninety-seven

Notation

Scientific notation 2.1288897 × 10^7
Engineering notation 2.1288897 × 10^6

Prime Factorization of 21288897

Prime Factorization 63 × 337919

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21288897
Product of the distinct prime numbers

The prime factorization of 21288897 is 63 × 337919. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21288897)

Multiplication

n×y
n×2 42577794
n×3 63866691
n×4 85155588
n×5 106444485

Division

n÷y
n÷2 10644448.5
n÷3 7096299
n÷3 5322224.25
n÷5 4257779.4

Exponentiation

ny
n2 453217135476609
n3 9.6484929157966E+21
n4 2.0540577188962E+29
n5 4.3728623209637E+36

Nth Root

y√n
2√n 4613.9892717691
3√n 277.15181067947
4√n 67.926351821433
5√n 29.216664409219

Divisors of 21288897

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 -21288896
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 21288897 can be divided by 4 positive divisors. The sum of these divisors (counting 21288897) is 1, the average is 0.25.

Base conversion 21288897

Base System Value
2 Binary 1010001001101011111000001
3 Ternary 1111001120212200
4 Quaternary 1101031133001
5 Quinary 20422221042
6 Senary 2040143413
8 Octal 121153701
10 Decimal 21288897
12 Duodecimal 7167b69
16 Hexadecimal 144d7c1
20 Vigesimal 6d124h
36 Base36 coam9

Cryptographic Hash Functions

md5 47d42689862f983660eb7164a7f3d1aa
sha1 fa37171dd3d22cef56f65e75cd5cfbc7d90eade7
sha256 37bc5e6bb132cda6f75b601d336f37d5d81fcf50333f0550d6860c7389332e83
sha512 314ba348d6cf5d6294b78793f8540ea2290cd269d819d7e2276497e81d0b31e6fee22fd16a9ca7f093958311f58b492ffa2aa846de5061675097afd0101ae748
ripemd-160 6310b2941f9e79dc4a8e09cddb024f3e3d6a0885

21288897 as geometric shapes

Circle

Radius = n
Diameter 42577794
Circumference 133762084.83646
Area 1.4238236232943E+15

Sphere

Radius = n
Volume 4.041551261664E+22
Surface area 5.6952944931773E+15
Circumference 133762084.83646

Square

Length = n
Perimeter 85155588
Area 453217135476609
Diagonal 30107046.865364

Cube

Length = n
Surface area 2719302812859654
Volume 9.6484929157966E+21
Space diagonal 36873451.241101

Equilateral Triangle

Length = n
Perimeter 63866691
Area 1.9624877637658E+14
Altitude 18436725.62055

Triangular Pyramid

Length = n
Surface area 1.9624877637658E+14
Volume 1.1370857948317E+21
Height 10035682.288455