21031535 (number)

21031535 is an odd 8-digits composite number following 21031534 and preceding 21031536. In scientific notation, it is written as 2.1031535 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors. There are 14421456 positive integers (up to 21031535) that are relatively prime to 21031535.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand five hundred thirty-five

Notation

Scientific notation 2.1031535 × 10^7
Engineering notation 2.1031535 × 10^6

Prime Factorization of 21031535

Prime Factorization 7 × 5 × 7 × 85843

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3004505
Product of the distinct prime numbers

The prime factorization of 21031535 is 7 × 5 × 7 × 85843. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 72, 64, 676, 600, 7773, 3525, 80019, 15462, 147318, 191553, 948318, 8499207, 17189999, 2747067, 953312550, 419645926, 1412189773, 5099728288

Basic calculations (n = 21031535)

Multiplication

n×y
n×2 42063070
n×3 63094605
n×4 84126140
n×5 105157675

Division

n÷y
n÷2 10515767.5
n÷3 7010511.6666667
n÷3 5257883.75
n÷5 4206307

Exponentiation

ny
n2 442325464456225
n3 9.3027834871024E+21
n4 1.9565181650642E+29
n5 4.1148580266682E+36

Nth Root

y√n
2√n 4586.015154794
3√n 276.03044805165
4√n 67.720123706281
5√n 29.145680126871

Divisors of 21031535

1, 5, 7, 35, 49, 245, 85843, 429215, 600901, 3004505, 4206307, 21031535

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 -21031534
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 21031535 can be divided by 12 positive divisors. The sum of these divisors (counting 21031535) is 1, the average is 0.083333333333333.

Base conversion 21031535

Base System Value
2 Binary 1010000001110101001101111
3 Ternary 1110120111211202
4 Quaternary 1100032221233
5 Quinary 20341002120
6 Senary 2030440115
8 Octal 120165157
10 Decimal 21031535
12 Duodecimal 706303b
16 Hexadecimal 140ea6f
20 Vigesimal 6b8igf
36 Base36 cis1b

Cryptographic Hash Functions

md5 220de33a5ffceaef4e14700e686a82f8
sha1 f549a4d980ae520808079fa02839602fffcdf01b
sha256 1de136a0a90b6ce7803e1f2af52832771679150283238d72311957c40e244138
sha512 4627b145ee5947bc2631b7391a380c45d1813f3a9321fc8be4bc29fe7dd93802e825fd7e51243f87edc6751e8fe499dba790217d39b3021004a4975b17b0c91d
ripemd-160 96618b4519dfd1aeb637b73088c16bd73a2c8a51

21031535 as geometric shapes

Circle

Radius = n
Diameter 42063070
Circumference 132145031.69943
Area 1.3896064296314E+15

Sphere

Radius = n
Volume 3.8967408348023E+22
Surface area 5.5584257185255E+15
Circumference 132145031.69943

Square

Length = n
Perimeter 84126140
Area 442325464456225
Diagonal 29743082.034524

Cube

Length = n
Surface area 2653952786737350
Volume 9.3027834871024E+21
Space diagonal 36427687.181163

Equilateral Triangle

Length = n
Perimeter 63094605
Area 1.9153254447992E+14
Altitude 18213843.590582

Triangular Pyramid

Length = n
Surface area 1.9153254447992E+14
Volume 1.0963435479401E+21
Height 9914360.6781748