20856620 (number)

20856620 is an even 8-digits composite number following 20856619 and preceding 20856621. In scientific notation, it is written as 2.0856620 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 7851776 positive integers (up to 20856620) that are relatively prime to 20856620.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0856620 × 10^7
Engineering notation 2.0856620 × 10^6

Prime Factorization of 20856620

Prime Factorization 2 × 2 × 85 × 61343

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10428310
Product of the distinct prime numbers

The prime factorization of 20856620 is 2 × 2 × 85 × 61343. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 80, 55, 225, 381, 2749, 7825, 27410, 90305, 744489, 95406, 1716785, 9358540, 63859828, 20414494, 994267137, 714440010, 9011012251, 2871672335

Basic calculations (n = 20856620)

Multiplication

n×y
n×2 41713240
n×3 62569860
n×4 83426480
n×5 104283100

Division

n÷y
n÷2 10428310
n÷3 6952206.6666667
n÷3 5214155
n÷5 4171324

Exponentiation

ny
n2 434998597824400
n3 9.0726004553563E+21
n4 1.8922378010919E+29
n5 3.946568476701E+36

Nth Root

y√n
2√n 4566.9048599681
3√n 275.2630870725
4√n 67.578878800762
5√n 29.097038299896

Divisors of 20856620

1, 2, 4, 85, 170, 340, 61343, 122686, 245372, 5214155, 10428310, 20856620

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20856619
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20856620 can be divided by 12 positive divisors. The sum of these divisors (counting 20856620) is 1, the average is 0.083333333333333.

Base conversion 20856620

Base System Value
2 Binary 1001111100011111100101100
3 Ternary 1110020121220102
4 Quaternary 1033203330230
5 Quinary 20314402440
6 Senary 2023010232
8 Octal 117437454
10 Decimal 20856620
12 Duodecimal 6b99978
16 Hexadecimal 13e3f2c
20 Vigesimal 6a71b0
36 Base36 cf12k

Cryptographic Hash Functions

md5 8d37ceae5ec6b80e37f933965db97790
sha1 f415dc3d75fb7ed45000f68f96bfbe933fb25343
sha256 a8d183fd4222ada19a7500a3274348c57e46a57e01d5c4ddcf4a342fbff27faa
sha512 f0c835b0fb69e48d71b4d2c4d27b36be43ef7e94a5bf7ee14655fb2d0b713839210f75d847e74c915e18a03039e845e0276bf9f0a8af28f203019460afb27f00
ripemd-160 c0106e66e880718e0a36d88680a2ef78cbb7d601

20856620 as geometric shapes

Circle

Radius = n
Diameter 41713240
Circumference 131046008.34143
Area 1.366588399247E+15

Sphere

Radius = n
Volume 3.8003219919337E+22
Surface area 5.466353596988E+15
Circumference 131046008.34143

Square

Length = n
Perimeter 83426480
Area 434998597824400
Diagonal 29495714.869262

Cube

Length = n
Surface area 2609991586946400
Volume 9.0726004553563E+21
Space diagonal 36124725.514157

Equilateral Triangle

Length = n
Perimeter 62569860
Area 1.8835991816327E+14
Altitude 18062362.757079

Triangular Pyramid

Length = n
Surface area 1.8835991816327E+14
Volume 1.0692162174964E+21
Height 9831904.9564206