21031585 (number)

21031585 is an odd 8-digits composite number following 21031584 and preceding 21031586. In scientific notation, it is written as 2.1031585 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 16825264 positive integers (up to 21031585) that are relatively prime to 21031585.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031585 × 10^7
Engineering notation 2.1031585 × 10^6

Prime Factorization of 21031585

Prime Factorization 5 × 4206317

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031585
Product of the distinct prime numbers

The prime factorization of 21031585 is 5 × 4206317. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031585)

Multiplication

n×y
n×2 42063170
n×3 63094755
n×4 84126340
n×5 105157925

Division

n÷y
n÷2 10515792.5
n÷3 7010528.3333333
n÷3 5257896.25
n÷5 4206317

Exponentiation

ny
n2 442327567612225
n3 9.3028498360798E+21
n4 1.9565367706975E+29
n5 4.1149069398549E+36

Nth Root

y√n
2√n 4586.0206061465
3√n 276.03066679478
4√n 67.720163955402
5√n 29.145693984943

Divisors of 21031585

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031584
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031585 can be divided by 4 positive divisors. The sum of these divisors (counting 21031585) is 1, the average is 0.25.

Base conversion 21031585

Base System Value
2 Binary 1010000001110101010100001
3 Ternary 1110120111220121
4 Quaternary 1100032222201
5 Quinary 20341002320
6 Senary 2030440241
8 Octal 120165241
10 Decimal 21031585
12 Duodecimal 7063081
16 Hexadecimal 140eaa1
20 Vigesimal 6b8ij5
36 Base36 cis2p

Cryptographic Hash Functions

md5 988dfa699df5cd659a03c764628744eb
sha1 b0379810797baa592ca6b63ce6e639247dab3879
sha256 2bac8eee9c2a14591ea63c49fd8328f3d0ff0698acae2837ecd69a0826351dac
sha512 1f6d365fbdc415ebc9e80790fc1eb1e6efa40ed3d0734d6923b2f0f57bc1a8edd8186a1cb2889e90680ed60f554c95d114604e1f368484f0eec322026607bc68
ripemd-160 2a8df52e60917b04b90a78d15ca55ede704571f6

21031585 as geometric shapes

Circle

Radius = n
Diameter 42063170
Circumference 132145345.8587
Area 1.3896130368908E+15

Sphere

Radius = n
Volume 3.896768626997E+22
Surface area 5.5584521475632E+15
Circumference 132145345.8587

Square

Length = n
Perimeter 84126340
Area 442327567612225
Diagonal 29743152.745203

Cube

Length = n
Surface area 2653965405673350
Volume 9.3028498360798E+21
Space diagonal 36427773.783703

Equilateral Triangle

Length = n
Perimeter 63094755
Area 1.9153345517318E+14
Altitude 18213886.891852

Triangular Pyramid

Length = n
Surface area 1.9153345517318E+14
Volume 1.096351367242E+21
Height 9914384.2484009