21085718 (number)

21085718 is an even 8-digits composite number following 21085717 and preceding 21085719. In scientific notation, it is written as 2.1085718 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 10535616 positive integers (up to 21085718) that are relatively prime to 21085718.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-five thousand seven hundred eighteen

Notation

Scientific notation 2.1085718 × 10^7
Engineering notation 2.1085718 × 10^6

Prime Factorization of 21085718

Prime Factorization 2 × 2017 × 5227

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21085718
Product of the distinct prime numbers

The prime factorization of 21085718 is 2 × 2017 × 5227. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21085718)

Multiplication

n×y
n×2 42171436
n×3 63257154
n×4 84342872
n×5 105428590

Division

n÷y
n÷2 10542859
n÷3 7028572.6666667
n÷3 5271429.5
n÷5 4217143.6

Exponentiation

ny
n2 444607503575524
n3 9.3748684410775E+21
n4 1.9767583223566E+29
n5 4.1681368539364E+36

Nth Root

y√n
2√n 4591.9187710586
3√n 276.2672881491
4√n 67.763698032638
5√n 29.160682127591

Divisors of 21085718

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 -21085717
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 21085718 can be divided by 8 positive divisors. The sum of these divisors (counting 21085718) is 1, the average is 0.125.

Base conversion 21085718

Base System Value
2 Binary 1010000011011111000010110
3 Ternary 1110200021011112
4 Quaternary 1100123320112
5 Quinary 20344220333
6 Senary 2031535022
8 Octal 120337026
10 Decimal 21085718
12 Duodecimal 708a472
16 Hexadecimal 141be16
20 Vigesimal 6bfe5i
36 Base36 cjxue

Cryptographic Hash Functions

md5 e54dae03f4f29afd8fc6aed45e1bed7c
sha1 32a036199ad67932dbb71f98d395018340961d2a
sha256 a3768b7998f1a3e4e905ac9a6baf1f6102ecdbba8df2986f8ca8dcdcd5d55d7d
sha512 d14f275c1125cfe7863bcbbf287cc1183e2ca20918b949bdff1fb6b467fa88f01b5179ba7501ba870d6d5a38c69d580a9be3aefbf0c9e6d2655b95ba8e50ce97
ripemd-160 95ed5fad8ff399657f5c001da377cd9f42dee209

21085718 as geometric shapes

Circle

Radius = n
Diameter 42171436
Circumference 132485473.52893
Area 1.3967756669638E+15

Sphere

Radius = n
Volume 3.9269357097146E+22
Surface area 5.5871026678551E+15
Circumference 132485473.52893

Square

Length = n
Perimeter 84342872
Area 444607503575524
Diagonal 29819708.367974

Cube

Length = n
Surface area 2667645021453144
Volume 9.3748684410775E+21
Space diagonal 36521534.89007

Equilateral Triangle

Length = n
Perimeter 63257154
Area 1.9252069640479E+14
Altitude 18260767.445035

Triangular Pyramid

Length = n
Surface area 1.9252069640479E+14
Volume 1.1048388412363E+21
Height 9939902.7893248