20856730 (number)

20856730 is an even 8-digits composite number following 20856729 and preceding 20856731. In scientific notation, it is written as 2.0856730 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 8342688 positive integers (up to 20856730) that are relatively prime to 20856730.

Interesting facts

Basic properties

Name

Name twenty million eight hundred fifty-six thousand seven hundred thirty

Notation

Scientific notation 2.0856730 × 10^7
Engineering notation 2.0856730 × 10^6

Prime Factorization of 20856730

Prime Factorization 2 × 5 × 2085673

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20856730
Product of the distinct prime numbers

The prime factorization of 20856730 is 2 × 5 × 2085673. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20856730)

Multiplication

n×y
n×2 41713460
n×3 62570190
n×4 83426920
n×5 104283650

Division

n÷y
n÷2 10428365
n÷3 6952243.3333333
n÷3 5214182.5
n÷5 4171346

Exponentiation

ny
n2 435003186292900
n3 9.0727440056507E+21
n4 1.8922777208498E+29
n5 3.9466725508779E+36

Nth Root

y√n
2√n 4566.9169031197
3√n 275.26357099378
4√n 67.578967905108
5√n 29.097068991997

Divisors of 20856730

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 -20856729
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 20856730 can be divided by 8 positive divisors. The sum of these divisors (counting 20856730) is 1, the average is 0.125.

Base conversion 20856730

Base System Value
2 Binary 1001111100011111110011010
3 Ternary 1110020122001111
4 Quaternary 1033203332122
5 Quinary 20314403410
6 Senary 2023010534
8 Octal 117437632
10 Decimal 20856730
12 Duodecimal 6b99a4a
16 Hexadecimal 13e3f9a
20 Vigesimal 6a71ga
36 Base36 cf15m

Cryptographic Hash Functions

md5 5a38966e2be2b2686533751aa78cd022
sha1 df04fdd5b9950e09676e26688d976ffab5d506dd
sha256 bb327f68aa779274c3cef06578a8fca6e010a122462facb21036845cd1023755
sha512 d236d3d9c6c1dea5368da355a2e8f0d0a36ee2c235cb108c8b5eb41f3e7bc9f6c0b15af6bf1abf043db58347ccbf72fb5869bf00af27b736962a94ee8f99c2c9
ripemd-160 dad4e904f73838bda5a8a3081518e50f7e4abb4c

20856730 as geometric shapes

Circle

Radius = n
Diameter 41713460
Circumference 131046699.49181
Area 1.3666028143459E+15

Sphere

Radius = n
Volume 3.8003821221404E+22
Surface area 5.4664112573837E+15
Circumference 131046699.49181

Square

Length = n
Perimeter 83426920
Area 435003186292900
Diagonal 29495870.432754

Cube

Length = n
Surface area 2610019117757400
Volume 9.0727440056507E+21
Space diagonal 36124916.039746

Equilateral Triangle

Length = n
Perimeter 62570190
Area 1.8836190502841E+14
Altitude 18062458.019873

Triangular Pyramid

Length = n
Surface area 1.8836190502841E+14
Volume 1.0692331350609E+21
Height 9831956.8109179