21603985 (number)

21603985 is an odd 8-digits composite number following 21603984 and preceding 21603986. In scientific notation, it is written as 2.1603985 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 15095808 positive integers (up to 21603985) that are relatively prime to 21603985.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred three thousand nine hundred eighty-five

Notation

Scientific notation 2.1603985 × 10^7
Engineering notation 2.1603985 × 10^6

Prime Factorization of 21603985

Prime Factorization 1885 × 157 × 73

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21603985
Product of the distinct prime numbers

The prime factorization of 21603985 is 1885 × 157 × 73. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21603985)

Multiplication

n×y
n×2 43207970
n×3 64811955
n×4 86415940
n×5 108019925

Division

n÷y
n÷2 10801992.5
n÷3 7201328.3333333
n÷3 5400996.25
n÷5 4320797

Exponentiation

ny
n2 466732167880225
n3 1.0083274753902E+22
n4 2.1783891653417E+29
n5 4.7061886852206E+36

Nth Root

y√n
2√n 4648.008713417
3√n 278.51245556688
4√n 68.176306099824
5√n 29.302641609378

Divisors of 21603985

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21603984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21603985 can be divided by 8 positive divisors. The sum of these divisors (counting 21603985) is 1, the average is 0.125.

Base conversion 21603985

Base System Value
2 Binary 1010010011010011010010001
3 Ternary 1111122121002121
4 Quaternary 1102122122101
5 Quinary 21012311420
6 Senary 2051014241
8 Octal 122323221
10 Decimal 21603985
12 Duodecimal 729a381
16 Hexadecimal 149a691
20 Vigesimal 6f09j5
36 Base36 cv1qp

Cryptographic Hash Functions

md5 aa7bc51916252de0649d95f49407d058
sha1 09e33101ce9aceb3dfbb7de46b46c7cebf22a7f5
sha256 74cdb6fc2c31da039fba394f30edd6f9efb413b79590a2d8b56378dad3e9819e
sha512 8d46ea5168fffdfb38cdb29c5adc78eb0abdcab79eeb5d43028e41423343bf9bad1f6b5c29d26683bfaadb824fa4c10d90bba4e03d21bc73cb189d66a849f881
ripemd-160 b9685f7286dc195d1e7fc69eb4b195acba7b34c2

21603985 as geometric shapes

Circle

Radius = n
Diameter 43207970
Circumference 135741841.12853
Area 1.4662823498066E+15

Sphere

Radius = n
Volume 4.2236722521314E+22
Surface area 5.8651293992262E+15
Circumference 135741841.12853

Square

Length = n
Perimeter 86415940
Area 466732167880225
Diagonal 30552648.588305

Cube

Length = n
Surface area 2800393007281350
Volume 1.0083274753902E+22
Space diagonal 37419199.665956

Equilateral Triangle

Length = n
Perimeter 64811955
Area 2.0210095707383E+14
Altitude 18709599.832978

Triangular Pyramid

Length = n
Surface area 2.0210095707383E+14
Volume 1.1883253258419E+21
Height 10184216.196102