21000641 (number)

21000641 is an odd 8-digits composite number following 21000640 and preceding 21000642. In scientific notation, it is written as 2.1000641 × 10^7. The sum of its digits is 14. It has a total of 3 prime factors and 8 positive divisors. There are 20396880 positive integers (up to 21000641) that are relatively prime to 21000641.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred forty-one

Notation

Scientific notation 2.1000641 × 10^7
Engineering notation 2.1000641 × 10^6

Prime Factorization of 21000641

Prime Factorization 43 × 191 × 2557

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000641
Product of the distinct prime numbers

The prime factorization of 21000641 is 43 × 191 × 2557. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000641)

Multiplication

n×y
n×2 42001282
n×3 63001923
n×4 84002564
n×5 105003205

Division

n÷y
n÷2 10500320.5
n÷3 7000213.6666667
n÷3 5250160.25
n÷5 4200128.2

Exponentiation

ny
n2 441026922410881
n3 9.2618480688858E+21
n4 1.9450474629121E+29
n5 4.0847243496579E+36

Nth Root

y√n
2√n 4582.645633256
3√n 275.89522470542
4√n 67.695240846429
5√n 29.137112457638

Divisors of 21000641

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 -21000640
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 21000641 can be divided by 8 positive divisors. The sum of these divisors (counting 21000641) is 1, the average is 0.125.

Base conversion 21000641

Base System Value
2 Binary 1010000000111000111000001
3 Ternary 1110111221110112
4 Quaternary 1100013013001
5 Quinary 20334010031
6 Senary 2030041105
8 Octal 120070701
10 Decimal 21000641
12 Duodecimal 7049195
16 Hexadecimal 14071c1
20 Vigesimal 6b51c1
36 Base36 ci475

Cryptographic Hash Functions

md5 7786f44d933f0f05d2b68df929571e3a
sha1 19a812f40297eb4ea13e13fbcdd8a98164040d88
sha256 b1f2018e5ec8b4063121462d671d5e651bde8c5a1bf46f3d1fbebb4f4dadd3f8
sha512 758806e71a3ef1813ca3fe5307ff994580d7cc77a970a373c6ab48c09ea7a9f2cc7d99581ca017c3d77f7ff73d39cc8a874b5058e624cfdf78add8d790987400
ripemd-160 93f11ce6d0ff15b5bccc2cb5a822b7a9bb10ef0f

21000641 as geometric shapes

Circle

Radius = n
Diameter 42001282
Circumference 131950918.97255
Area 1.3855269394813E+15

Sphere

Radius = n
Volume 3.8795938469168E+22
Surface area 5.5421077579254E+15
Circumference 131950918.97255

Square

Length = n
Perimeter 84002564
Area 441026922410881
Diagonal 29699391.320728

Cube

Length = n
Surface area 2646161534465286
Volume 9.2618480688858E+21
Space diagonal 36374177.203514

Equilateral Triangle

Length = n
Perimeter 63001923
Area 1.9097025928035E+14
Altitude 18187088.601757

Triangular Pyramid

Length = n
Surface area 1.9097025928035E+14
Volume 1.0915192626381E+21
Height 9899797.1069095