21031801 (number)

21031801 is an odd 8-digits composite number following 21031800 and preceding 21031802. In scientific notation, it is written as 2.1031801 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 18027252 positive integers (up to 21031801) that are relatively prime to 21031801.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031801 × 10^7
Engineering notation 2.1031801 × 10^6

Prime Factorization of 21031801

Prime Factorization 7 × 3004543

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031801
Product of the distinct prime numbers

The prime factorization of 21031801 is 7 × 3004543. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031801)

Multiplication

n×y
n×2 42063602
n×3 63095403
n×4 84127204
n×5 105159005

Division

n÷y
n÷2 10515900.5
n÷3 7010600.3333333
n÷3 5257950.25
n÷5 4206360.2

Exponentiation

ny
n2 442336653303601
n3 9.3031364672873E+21
n4 1.9566171485583E+29
n5 4.1151182501666E+36

Nth Root

y√n
2√n 4586.0441559148
3√n 276.03161176112
4√n 67.720337830778
5√n 29.14575385151

Divisors of 21031801

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 -21031800
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 21031801 can be divided by 4 positive divisors. The sum of these divisors (counting 21031801) is 1, the average is 0.25.

Base conversion 21031801

Base System Value
2 Binary 1010000001110101101111001
3 Ternary 1110120112012121
4 Quaternary 1100032231321
5 Quinary 20341004201
6 Senary 2030441241
8 Octal 120165571
10 Decimal 21031801
12 Duodecimal 7063221
16 Hexadecimal 140eb79
20 Vigesimal 6b8ja1
36 Base36 cis8p

Cryptographic Hash Functions

md5 4f28ec2521b925328db7ec02bf968b5d
sha1 a619ad481aa33eeb6cd8cfdc458c23df3c09e7a3
sha256 62d295072df4ad9d10367f37a113eb0ab256ccba58b89c1275463123fc397dbf
sha512 0562d1932140c53a434e342fc735f8ed7fb07e976ce520c4959979d6b0c5524bdbf9fb4f78442842dfd7c226eb886218e4cc0c3952f03593cc736fed90c83bce
ripemd-160 acdc2f9e11dd8fa551686717957a3f2943f825be

21031801 as geometric shapes

Circle

Radius = n
Diameter 42063602
Circumference 132146703.02672
Area 1.3896415804321E+15

Sphere

Radius = n
Volume 3.8968886907964E+22
Surface area 5.5585663217284E+15
Circumference 132146703.02672

Square

Length = n
Perimeter 84127204
Area 442336653303601
Diagonal 29743458.215332

Cube

Length = n
Surface area 2654019919821606
Volume 9.3031364672873E+21
Space diagonal 36428147.906678

Equilateral Triangle

Length = n
Perimeter 63095403
Area 1.9153738939295E+14
Altitude 18214073.953339

Triangular Pyramid

Length = n
Surface area 1.9153738939295E+14
Volume 1.0963851470538E+21
Height 9914486.0717773