21033985 (number)

21033985 is an odd 8-digits composite number following 21033984 and preceding 21033986. In scientific notation, it is written as 2.1033985 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 14423136 positive integers (up to 21033985) that are relatively prime to 21033985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1033985 × 10^7
Engineering notation 2.1033985 × 10^6

Prime Factorization of 21033985

Prime Factorization 5 × 7 × 7 × 85853

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3004855
Product of the distinct prime numbers

The prime factorization of 21033985 is 5 × 7 × 7 × 85853. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 21, 16, 416, 648, 2708, 1524, 9281, 13302, 441874, 5091, 4940298, 5480467, 17101793, 76303547, 581765661, 664922748, 5691648463, 7093199346

Basic calculations (n = 21033985)

Multiplication

n×y
n×2 42067970
n×3 63101955
n×4 84135940
n×5 105169925

Division

n÷y
n÷2 10516992.5
n÷3 7011328.3333333
n÷3 5258496.25
n÷5 4206797

Exponentiation

ny
n2 442428524980225
n3 9.3060349580062E+21
n4 1.9574299971618E+29
n5 4.1172553198851E+36

Nth Root

y√n
2√n 4586.2822634461
3√n 276.0411660574
4√n 67.722095828807
5√n 29.1463591414

Divisors of 21033985

1, 5, 7, 35, 49, 245, 85853, 429265, 600971, 3004855, 4206797, 21033985

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21033984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21033985 can be divided by 12 positive divisors. The sum of these divisors (counting 21033985) is 1, the average is 0.083333333333333.

Base conversion 21033985

Base System Value
2 Binary 1010000001111010000000001
3 Ternary 1110120122012111
4 Quaternary 1100033100001
5 Quinary 20341041420
6 Senary 2030455321
8 Octal 120172001
10 Decimal 21033985
12 Duodecimal 7064541
16 Hexadecimal 140f401
20 Vigesimal 6b94j5
36 Base36 citxd

Cryptographic Hash Functions

md5 db9ebe8ab8dcb70e3998be9146ac77e1
sha1 e4633e567dd8ba989c5af1cc80f5fb72398a01f5
sha256 1e495a67091b43de45f8a66a1f0f0e1de0b885b0f70204ce542b6d818bd74d2c
sha512 792d3b70f2674e7ca0ee9cf2b9fa1232beb031623c3408929d04b0cafc09a2f7a6b22ea3b43d3ef67fee113af46699238b871a4d87ca634c6c2650630c051a2f
ripemd-160 c6c7c4f8eb44bbbc8029a388c9c5560edf7b7c50

21033985 as geometric shapes

Circle

Radius = n
Diameter 42067970
Circumference 132160425.50344
Area 1.3899302038164E+15

Sphere

Radius = n
Volume 3.8981028077496E+22
Surface area 5.5597208152658E+15
Circumference 132160425.50344

Square

Length = n
Perimeter 84135940
Area 442428524980225
Diagonal 29746546.857752

Cube

Length = n
Surface area 2654571149881350
Volume 9.3060349580062E+21
Space diagonal 36431930.705642

Equilateral Triangle

Length = n
Perimeter 63101955
Area 1.9157717099588E+14
Altitude 18215965.352821

Triangular Pyramid

Length = n
Surface area 1.9157717099588E+14
Volume 1.0967267374609E+21
Height 9915515.6192508