21083985 (number)

21083985 is an odd 8-digits composite number following 21083984 and preceding 21083986. In scientific notation, it is written as 2.1083985 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 9922176 positive integers (up to 21083985) that are relatively prime to 21083985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1083985 × 10^7
Engineering notation 2.1083985 × 10^6

Prime Factorization of 21083985

Prime Factorization 9 × 299 × 5 × 1567

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21083985
Product of the distinct prime numbers

The prime factorization of 21083985 is 9 × 299 × 5 × 1567. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 69, 62, 639, 101, 5780, 9160, 75234, 97479, 930672, 58069, 1976000, 8009543, 24613003, 79150894, 46600825, 736183929, 5601115946, 8806457187

Basic calculations (n = 21083985)

Multiplication

n×y
n×2 42167970
n×3 63251955
n×4 84335940
n×5 105419925

Division

n÷y
n÷2 10541992.5
n÷3 7027995
n÷3 5270996.25
n÷5 4216797

Exponentiation

ny
n2 444534423480225
n3 9.3725571166407E+21
n4 1.976108536589E+29
n5 4.1664242743814E+36

Nth Root

y√n
2√n 4591.730066108
3√n 276.2597192925
4√n 67.762305643388
5√n 29.160202778265

Divisors of 21083985

1, 5, 9, 45, 299, 1495, 1567, 2691, 7835, 13455, 14103, 70515, 468533, 2342665, 4216797, 21083985

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 -21083984
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 21083985 can be divided by 16 positive divisors. The sum of these divisors (counting 21083985) is 1, the average is 0.0625.

Base conversion 21083985

Base System Value
2 Binary 1010000011011011101010001
3 Ternary 1110200011210100
4 Quaternary 1100123131101
5 Quinary 20344141420
6 Senary 2031523013
8 Octal 120333521
10 Decimal 21083985
12 Duodecimal 7089469
16 Hexadecimal 141b751
20 Vigesimal 6bf9j5
36 Base36 cjwi9

Cryptographic Hash Functions

md5 671f90b4609415f594c87099b791b2ef
sha1 a7d463d78edd26d1d6222b95a2ab3ff6bdbb6805
sha256 fed90ba5f7f5d7e12c4fb5993c70a21c82ac820b18292345d9d138724d23e7ca
sha512 af4d7d346892736081362eb6a4585179ce66fead1876b0827f5a95225619d28dbcda0014a49fd8cabdb34748f7345c2520bce013ea1b1bc4492650c498df530b
ripemd-160 35bfbdd6e683833efb6fe572696c43a94dcf23cc

21083985 as geometric shapes

Circle

Radius = n
Diameter 42167970
Circumference 132474584.76879
Area 1.3965460790732E+15

Sphere

Radius = n
Volume 3.9259675443986E+22
Surface area 5.586184316293E+15
Circumference 132474584.76879

Square

Length = n
Perimeter 84335940
Area 444534423480225
Diagonal 29817257.535871

Cube

Length = n
Surface area 2667206540881350
Volume 9.3725571166407E+21
Space diagonal 36518533.24602

Equilateral Triangle

Length = n
Perimeter 63251955
Area 1.9248905179527E+14
Altitude 18259266.62301

Triangular Pyramid

Length = n
Surface area 1.9248905179527E+14
Volume 1.1045664490391E+21
Height 9939085.8452903