20853985 (number)

20853985 is an odd 8-digits composite number following 20853984 and preceding 20853986. In scientific notation, it is written as 2.0853985 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 15017728 positive integers (up to 20853985) that are relatively prime to 20853985.

Interesting facts

Basic properties

Name

Name twenty million eight hundred fifty-three thousand nine hundred eighty-five

Notation

Scientific notation 2.0853985 × 10^7
Engineering notation 2.0853985 × 10^6

Prime Factorization of 20853985

Prime Factorization 5 × 23 × 17 × 10667

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20853985
Product of the distinct prime numbers

The prime factorization of 20853985 is 5 × 23 × 17 × 10667. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 83, 71, 525, 466, 6020, 3840, 28488, 44880, 783015, 56859, 3061572, 7091135, 79594122, 32147619, 420960756, 120276267, 918961518, 3675552762

Basic calculations (n = 20853985)

Multiplication

n×y
n×2 41707970
n×3 62561955
n×4 83415940
n×5 104269925

Division

n÷y
n÷2 10426992.5
n÷3 6951328.3333333
n÷3 5213496.25
n÷5 4170797

Exponentiation

ny
n2 434888690380225
n3 9.0691622258589E+21
n4 1.8912817302063E+29
n5 3.9440760832496E+36

Nth Root

y√n
2√n 4566.6163622533
3√n 275.25149444976
4√n 67.576744241295
5√n 29.096303045854

Divisors of 20853985

1, 5, 17, 23, 85, 115, 391, 1955, 10667, 53335, 181339, 245341, 906695, 1226705, 4170797, 20853985

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20853984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20853985 can be divided by 16 positive divisors. The sum of these divisors (counting 20853985) is 1, the average is 0.0625.

Base conversion 20853985

Base System Value
2 Binary 1001111100011010011100001
3 Ternary 1110020111021211
4 Quaternary 1033203103201
5 Quinary 20314311420
6 Senary 2022550121
8 Octal 117432341
10 Decimal 20853985
12 Duodecimal 6b98341
16 Hexadecimal 13e34e1
20 Vigesimal 6a6ej5
36 Base36 cez1d

Cryptographic Hash Functions

md5 f80cd120c328b8a4c96709f727951011
sha1 0eaa2c5b13d20a67dc16625b33684314c7272fe6
sha256 8120b5087a40dbf277b9f6e1160a5207aca220b91d761d56e647f3906465216a
sha512 c42fb73cfdaf9cf0dee9aedc655add773295f7b63da531b03af0e9d2f6df395c8957b0f33916474bd3e6771b48a01c695047018d5bdb7cff433da28b6c180eb2
ripemd-160 35f08e29d7dec304da73d6bde02921a2f759f0a7

20853985 as geometric shapes

Circle

Radius = n
Diameter 41707970
Circumference 131029452.14814
Area 1.3662431148278E+15

Sphere

Radius = n
Volume 3.7988817897296E+22
Surface area 5.4649724593112E+15
Circumference 131029452.14814

Square

Length = n
Perimeter 83415940
Area 434888690380225
Diagonal 29491988.416525

Cube

Length = n
Surface area 2609332142281350
Volume 9.0691622258589E+21
Space diagonal 36120161.560279

Equilateral Triangle

Length = n
Perimeter 62561955
Area 1.8831232684391E+14
Altitude 18060080.78014

Triangular Pyramid

Length = n
Surface area 1.8831232684391E+14
Volume 1.0688110182643E+21
Height 9830662.8055084