20856816 (number)

20856816 is an even 8-digits composite number following 20856815 and preceding 20856817. In scientific notation, it is written as 2.0856816 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 30 positive divisors. There are 6952224 positive integers (up to 20856816) that are relatively prime to 20856816.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0856816 × 10^7
Engineering notation 2.0856816 × 10^6

Prime Factorization of 20856816

Prime Factorization 2 × 2 × 2 × 2 × 3 × 3 × 144839

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 869034
Product of the distinct prime numbers

The prime factorization of 20856816 is 2 × 2 × 2 × 2 × 3 × 3 × 144839. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 8, 24, 22, 760, 278, 7670, 6030, 64687, 76284, 61463, 205390, 626381, 1665783, 53833498, 38306628, 609428351, 88342235, 3475579060, 2078752254

Basic calculations (n = 20856816)

Multiplication

n×y
n×2 41713632
n×3 62570448
n×4 83427264
n×5 104284080

Division

n÷y
n÷2 10428408
n÷3 6952272
n÷3 5214204
n÷5 4171363.2

Exponentiation

ny
n2 435006773657856
n3 9.0728562369355E+21
n4 1.8923089312822E+29
n5 3.9467539194909E+36

Nth Root

y√n
2√n 4566.9263186524
3√n 275.26394933104
4√n 67.579037568261
5√n 29.09709298755

Divisors of 20856816

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 144839, 289678, 434517, 579356, 869034, 1158712, 1303551, 1738068, 2317424, 2607102, 3476136, 5214204, 6952272, 10428408, 20856816

30 divisors

τ Total Divisors 30
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20856815
Sum of the proper positive divisors of n
A Arithmetic Mean 0.033333333333333
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 30
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20856816 can be divided by 30 positive divisors. The sum of these divisors (counting 20856816) is 1, the average is 0.033333333333333.

Base conversion 20856816

Base System Value
2 Binary 1001111100011111111110000
3 Ternary 1110020122011200
4 Quaternary 1033203333300
5 Quinary 20314404231
6 Senary 2023011200
8 Octal 117437760
10 Decimal 20856816
12 Duodecimal 6b99b00
16 Hexadecimal 13e3ff0
20 Vigesimal 6a720g
36 Base36 cf180

Cryptographic Hash Functions

md5 41d0e1873cf787802ad071a385d8ff7c
sha1 c030855c9dd26070ffd5b3171dbcb8c8c767af0b
sha256 e0de4f24c42ee8fb8773f1bf5f8e7cbff6b192b8189973ba4485ce19d7eb697c
sha512 e5bf093ccba0cbeb3ad120e13729e89e30e5925a999e333435f50999f35569866c6814442b9066577c75edc33fc345fa46ec5ffbfa307efa0ada7212f7296b83
ripemd-160 0f58f66ecca646dc446b9678b136a3e69a228011

20856816 as geometric shapes

Circle

Radius = n
Diameter 41713632
Circumference 131047239.84575
Area 1.3666140843853E+15

Sphere

Radius = n
Volume 3.8004291334711E+22
Surface area 5.4664563375413E+15
Circumference 131047239.84575

Square

Length = n
Perimeter 83427264
Area 435006773657856
Diagonal 29495992.05512

Cube

Length = n
Surface area 2610040641947136
Volume 9.0728562369355E+21
Space diagonal 36125064.996115

Equilateral Triangle

Length = n
Perimeter 62570448
Area 1.8836345840301E+14
Altitude 18062532.498058

Triangular Pyramid

Length = n
Surface area 1.8836345840301E+14
Volume 1.0692463616446E+21
Height 9831997.3517067