20210985 (number)

20210985 is an odd 8-digits composite number following 20210984 and preceding 20210986. In scientific notation, it is written as 2.0210985 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 10779120 positive integers (up to 20210985) that are relatively prime to 20210985.

Interesting facts

Basic properties

Name

Name twenty million two hundred ten thousand nine hundred eighty-five

Notation

Scientific notation 2.0210985 × 10^7
Engineering notation 2.0210985 × 10^6

Prime Factorization of 20210985

Prime Factorization 9 × 5 × 3 × 149711

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20210985
Product of the distinct prime numbers

The prime factorization of 20210985 is 9 × 5 × 3 × 149711. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 40, 54, 934, 671, 4872, 8027, 24349, 57342, 375379, 270016, 9060013, 8849211, 73156550, 32909095, 631422289, 382299174, 9364624361, 8837876533

Basic calculations (n = 20210985)

Multiplication

n×y
n×2 40421970
n×3 60632955
n×4 80843940
n×5 101054925

Division

n÷y
n÷2 10105492.5
n÷3 6736995
n÷3 5052746.25
n÷5 4042197

Exponentiation

ny
n2 408483914670225
n3 8.2558622721412E+21
n4 1.6685910854431E+29
n5 3.3723869399025E+36

Nth Root

y√n
2√n 4495.6629099611
3√n 272.39292710002
4√n 67.049704771618
5√n 28.914620454888

Divisors of 20210985

1, 3, 5, 9, 15, 27, 45, 135, 149711, 449133, 748555, 1347399, 2245665, 4042197, 6736995, 20210985

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 -20210984
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 20210985 can be divided by 16 positive divisors. The sum of these divisors (counting 20210985) is 1, the average is 0.0625.

Base conversion 20210985

Base System Value
2 Binary 1001101000110010100101001
3 Ternary 1102000211021000
4 Quaternary 1031012110221
5 Quinary 20133222420
6 Senary 2001105213
8 Octal 115062451
10 Decimal 20210985
12 Duodecimal 6928209
16 Hexadecimal 1346529
20 Vigesimal 666795
36 Base36 c16w9

Cryptographic Hash Functions

md5 e7eae6cccca34087bd15d383dfa086f7
sha1 7fc9cff5dff628bafda82112771c208ba010a091
sha256 07a984eec0312aadcabd30a7be2db1acdcdef56a6fc6068eaf94c08e6564255e
sha512 0fbd40041095da133b92e7339ecf380ee1f114370ae3cdaf9c1b65eb8c52fc56cdf8f5f679698d4cc99508996adbceaacf8f432d48b5c013b4d2cfad2c0d690b
ripemd-160 feb67ffc3c727f5de69131931a43135aa84dd078

20210985 as geometric shapes

Circle

Radius = n
Diameter 40421970
Circumference 126989363.99563
Area 1.2832900654376E+15

Sphere

Radius = n
Volume 3.4582075017611E+22
Surface area 5.1331602617503E+15
Circumference 126989363.99563

Square

Length = n
Perimeter 80843940
Area 408483914670225
Diagonal 28582649.095919

Cube

Length = n
Surface area 2450903488021350
Volume 8.2558622721412E+21
Space diagonal 35006452.891012

Equilateral Triangle

Length = n
Perimeter 60632955
Area 1.7687872357086E+14
Altitude 17503226.445506

Triangular Pyramid

Length = n
Surface area 1.7687872357086E+14
Volume 9.7296269952887E+20
Height 9527549.6986397