21250181 (number)

21250181 is an odd 8-digits composite number following 21250180 and preceding 21250182. In scientific notation, it is written as 2.1250181 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 21097164 positive integers (up to 21250181) that are relatively prime to 21250181.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred fifty thousand one hundred eighty-one

Notation

Scientific notation 2.1250181 × 10^7
Engineering notation 2.1250181 × 10^6

Prime Factorization of 21250181

Prime Factorization 139 × 152879

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21250181
Product of the distinct prime numbers

The prime factorization of 21250181 is 139 × 152879. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21250181)

Multiplication

n×y
n×2 42500362
n×3 63750543
n×4 85000724
n×5 106250905

Division

n÷y
n÷2 10625090.5
n÷3 7083393.6666667
n÷3 5312545.25
n÷5 4250036.2

Exponentiation

ny
n2 451570192532761
n3 9.595948325526E+21
n4 2.0391563878407E+29
n5 4.3332442328922E+36

Nth Root

y√n
2√n 4609.7918608111
3√n 276.98369924972
4√n 67.895448012448
5√n 29.206029982043

Divisors of 21250181

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 -21250180
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 21250181 can be divided by 4 positive divisors. The sum of these divisors (counting 21250181) is 1, the average is 0.25.

Base conversion 21250181

Base System Value
2 Binary 1010001000100000010000101
3 Ternary 1110222121202202
4 Quaternary 1101010002011
5 Quinary 20420001211
6 Senary 2035244245
8 Octal 121040205
10 Decimal 21250181
12 Duodecimal 7149685
16 Hexadecimal 1444085
20 Vigesimal 6cg591
36 Base36 cngqt

Cryptographic Hash Functions

md5 30af924a59d1d8e116c9637865ee4a26
sha1 75e5f642e7a7c039edadca3834be4632c32de6a7
sha256 cee3445f95bc28e324a05aa1c87a1057029f27eca1e843e7270c46ebac364608
sha512 0a6affffd3f8659954f5910b7f90209816228962266bef978dd793886a6401ff52325cec77669e6ff726518a20052b68cfa50815bf416169382a6609cd95a0bb
ripemd-160 40ee6bb0c84f50b61ed180879b137e3ee01164dd

21250181 as geometric shapes

Circle

Radius = n
Diameter 42500362
Circumference 133518825.03411
Area 1.4186495994411E+15

Sphere

Radius = n
Volume 4.01954143516E+22
Surface area 5.6745983977642E+15
Circumference 133518825.03411

Square

Length = n
Perimeter 85000724
Area 451570192532761
Diagonal 30052294.173083

Cube

Length = n
Surface area 2709421155196566
Volume 9.595948325526E+21
Space diagonal 36806393.162035

Equilateral Triangle

Length = n
Perimeter 63750543
Area 1.955356291626E+14
Altitude 18403196.581017

Triangular Pyramid

Length = n
Surface area 1.955356291626E+14
Volume 1.1308933554825E+21
Height 10017431.391028