21080181 (number)

21080181 is an odd 8-digits composite number following 21080180 and preceding 21080182. In scientific notation, it is written as 2.1080181 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 14025440 positive integers (up to 21080181) that are relatively prime to 21080181.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1080181 × 10^7
Engineering notation 2.1080181 × 10^6

Prime Factorization of 21080181

Prime Factorization 3 × 521 × 13487

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21080181
Product of the distinct prime numbers

The prime factorization of 21080181 is 3 × 521 × 13487. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21080181)

Multiplication

n×y
n×2 42160362
n×3 63240543
n×4 84320724
n×5 105400905

Division

n÷y
n÷2 10540090.5
n÷3 7026727
n÷3 5270045.25
n÷5 4216036.2

Exponentiation

ny
n2 444374030992761
n3 9.367485005027E+21
n4 1.9746827942076E+29
n5 4.1626670719481E+36

Nth Root

y√n
2√n 4591.3158244669
3√n 276.2431039139
4√n 67.759248995741
5√n 29.159150477975

Divisors of 21080181

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21080180
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21080181 can be divided by 8 positive divisors. The sum of these divisors (counting 21080181) is 1, the average is 0.125.

Base conversion 21080181

Base System Value
2 Binary 1010000011010100001110101
3 Ternary 1110122222120110
4 Quaternary 1100122201311
5 Quinary 20344031211
6 Senary 2031453233
8 Octal 120324165
10 Decimal 21080181
12 Duodecimal 7087219
16 Hexadecimal 141a875
20 Vigesimal 6bf091
36 Base36 cjtkl

Cryptographic Hash Functions

md5 154da19c0f197607921c23c77187b5fa
sha1 fbff871b49d10344a1cbe97bb806d2025c7a21d5
sha256 536fb98a1512d2196c3443bcadf269d339b1e147a99b5834bf529b884834c0e0
sha512 9d15b55c331ac49ece7978ac1131cea366578ce6d9d282253715db5053fcda1dc146380f7ccbc7447820feefde4dfe0e4f3195f8868571465c71beef3af5f43d
ripemd-160 7047f8b6e49b53f2f5150afb96d42d86dc0d4bd3

21080181 as geometric shapes

Circle

Radius = n
Diameter 42160362
Circumference 132450683.53189
Area 1.3960421912129E+15

Sphere

Radius = n
Volume 3.9238429432541E+22
Surface area 5.5841687648518E+15
Circumference 132450683.53189

Square

Length = n
Perimeter 84320724
Area 444374030992761
Diagonal 29811877.86748

Cube

Length = n
Surface area 2666244185956566
Volume 9.367485005027E+21
Space diagonal 36511944.524748

Equilateral Triangle

Length = n
Perimeter 63240543
Area 1.9241959981091E+14
Altitude 18255972.262374

Triangular Pyramid

Length = n
Surface area 1.9241959981091E+14
Volume 1.103968694953E+21
Height 9937292.6224932