20856540 (number)

20856540 is an even 8-digits composite number following 20856539 and preceding 20856541. In scientific notation, it is written as 2.0856540 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 5561728 positive integers (up to 20856540) that are relatively prime to 20856540.

Interesting facts

Basic properties

Name

Name twenty million eight hundred fifty-six thousand five hundred forty

Notation

Scientific notation 2.0856540 × 10^7
Engineering notation 2.0856540 × 10^6

Prime Factorization of 20856540

Prime Factorization 2 × 2 × 3 × 5 × 347609

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10428270
Product of the distinct prime numbers

The prime factorization of 20856540 is 2 × 2 × 3 × 5 × 347609. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 4, 63, 9, 723, 276, 5875, 1777, 61417, 89439, 738888, 455072, 7191573, 924412, 97939805, 94708964, 538138037, 801418793, 920592673, 3515197823

Basic calculations (n = 20856540)

Multiplication

n×y
n×2 41713080
n×3 62569620
n×4 83426160
n×5 104282700

Division

n÷y
n÷2 10428270
n÷3 6952180
n÷3 5214135
n÷5 4171308

Exponentiation

ny
n2 434995260771600
n3 9.0724960560933E+21
n4 1.8922087689375E+29
n5 3.9464927877696E+36

Nth Root

y√n
2√n 4566.8961012924
3√n 275.26273512869
4√n 67.57881399738
5√n 29.097015978287

Divisors of 20856540

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347609, 695218, 1042827, 1390436, 1738045, 2085654, 3476090, 4171308, 5214135, 6952180, 10428270, 20856540

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20856539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20856540 can be divided by 24 positive divisors. The sum of these divisors (counting 20856540) is 1, the average is 0.041666666666667.

Base conversion 20856540

Base System Value
2 Binary 1001111100011111011011100
3 Ternary 1110020121210110
4 Quaternary 1033203323130
5 Quinary 20314402130
6 Senary 2023010020
8 Octal 117437334
10 Decimal 20856540
12 Duodecimal 6b99910
16 Hexadecimal 13e3edc
20 Vigesimal 6a7170
36 Base36 cf10c

Cryptographic Hash Functions

md5 759cbc595f4b484dfdcfe78fdbdcdb6a
sha1 9bf2ba25080afb5652003a2d15a709a15858e3a8
sha256 ce6bde7b7447cafdc4554553207f669bf66624e598cf0a97b350a9abf101d065
sha512 7eea545c7bf55f570c82da7235982e8bd54ad4efb09f1a0a45a90cb27ed630609cfa31be1e388a699e139cfe00876cd9df4458c1b8dc2e5c43bc939a36cd7065
ripemd-160 fa459306e72efa090456df6087a2c5a9e1fe7d66

20856540 as geometric shapes

Circle

Radius = n
Diameter 41713080
Circumference 131045505.6866
Area 1.3665779155864E+15

Sphere

Radius = n
Volume 3.8002782612727E+22
Surface area 5.4663116623457E+15
Circumference 131045505.6866

Square

Length = n
Perimeter 83426160
Area 434995260771600
Diagonal 29495601.732177

Cube

Length = n
Surface area 2609971564629600
Volume 9.0724960560933E+21
Space diagonal 36124586.950093

Equilateral Triangle

Length = n
Perimeter 62569620
Area 1.8835847317702E+14
Altitude 18062293.475046

Triangular Pyramid

Length = n
Surface area 1.8835847317702E+14
Volume 1.0692039139253E+21
Height 9831867.244059