21471885 (number)

21471885 is an odd 8-digits composite number following 21471884 and preceding 21471886. In scientific notation, it is written as 2.1471885 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 11451456 positive integers (up to 21471885) that are relatively prime to 21471885.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-one thousand eight hundred eighty-five

Notation

Scientific notation 2.1471885 × 10^7
Engineering notation 2.1471885 × 10^6

Prime Factorization of 21471885

Prime Factorization 5 × 81 × 53017

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21471885
Product of the distinct prime numbers

The prime factorization of 21471885 is 5 × 81 × 53017. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21471885)

Multiplication

n×y
n×2 42943770
n×3 64415655
n×4 85887540
n×5 107359425

Division

n÷y
n÷2 10735942.5
n÷3 7157295
n÷3 5367971.25
n÷5 4294377

Exponentiation

ny
n2 461041845453225
n3 9.8994374857594E+21
n4 2.1255958325892E+29
n5 4.5640549273834E+36

Nth Root

y√n
2√n 4633.7765375555
3√n 277.94362934121
4√n 68.071848348311
5√n 29.266718779304

Divisors of 21471885

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 -21471884
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 21471885 can be divided by 8 positive divisors. The sum of these divisors (counting 21471885) is 1, the average is 0.125.

Base conversion 21471885

Base System Value
2 Binary 1010001111010001010001101
3 Ternary 1111101212220000
4 Quaternary 1101322022031
5 Quinary 20444100020
6 Senary 2044114513
8 Octal 121721215
10 Decimal 21471885
12 Duodecimal 7235a39
16 Hexadecimal 147a28d
20 Vigesimal 6e3je5
36 Base36 cs7t9

Cryptographic Hash Functions

md5 ea26929fc839cf9e3af006185623b242
sha1 8a67def4e1ebf08feb36f02852f6272e4b7bfb16
sha256 10dbbcbdda053ca730a6d815e170ab531b6809c4832f8e723d4a4cadfe383693
sha512 bc82013ffbfc4d78afcc77988428d48f3b6a24cdd70899d462fba47c7c89176bbc082783b9ade140b110138432e4745fdd27140c11aa4f0b7a4a2ef8f2c36b76
ripemd-160 7be24d2bdbd2a693e4f18c93202f638aed4a84f7

21471885 as geometric shapes

Circle

Radius = n
Diameter 42943770
Circumference 134911832.34945
Area 1.4484056746733E+15

Sphere

Radius = n
Volume 4.1466666773244E+22
Surface area 5.7936226986933E+15
Circumference 134911832.34945

Square

Length = n
Perimeter 85887540
Area 461041845453225
Diagonal 30365830.976715

Cube

Length = n
Surface area 2766251072719350
Volume 9.8994374857594E+21
Space diagonal 37190395.754276

Equilateral Triangle

Length = n
Perimeter 64415655
Area 1.9963697518508E+14
Altitude 18595197.877138

Triangular Pyramid

Length = n
Surface area 1.9963697518508E+14
Volume 1.1666598960188E+21
Height 10121943.658905