636642021 (number)

636642021 is an odd 9-digits composite number following 636642020 and preceding 636642022. In scientific notation, it is written as 6.36642021 × 10^8. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 424428012 positive integers (up to 636642021) that are relatively prime to 636642021.

Interesting facts

Basic properties

Name

Name six hundred thirty-six million six hundred forty-two thousand twenty-one

Notation

Scientific notation 6.36642021 × 10^8
Engineering notation 6.36642021 × 10^6

Prime Factorization of 636642021

Prime Factorization 3 × 212214007

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 636642021
Product of the distinct prime numbers

The prime factorization of 636642021 is 3 × 212214007. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 72, 96, 368, 679, 7091, 858, 13593, 25824, 615493, 726862, 1642382, 9442273, 20318370, 79453971, 186242957, 881504058, 4469413443, 8274978663

Basic calculations (n = 636642021)

Multiplication

n×y
n×2 1273284042
n×3 1909926063
n×4 2546568084
n×5 3183210105

Division

n÷y
n÷2 318321010.5
n÷3 212214007
n÷3 159160505.25
n÷5 127328404.2

Exponentiation

ny
n2 405313062902964441
n3 2.5803932750424E+26
n4 1.6427867895978E+35
n5 1.0458671018017E+44

Nth Root

y√n
2√n 25231.766109411
3√n 860.26403511721
4√n 158.84510099279
5√n 57.647311791765

Divisors of 636642021

1, 3, 212214007, 636642021

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 -636642020
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 636642021 can be divided by 4 positive divisors. The sum of these divisors (counting 636642021) is 1, the average is 0.25.

Base conversion 636642021

Base System Value
2 Binary 100101111100100110001011100101
3 Ternary 1122100221202200010
4 Quaternary 211330212023211
5 Quinary 2300440021041
6 Senary 143101240433
8 Octal 4574461345
10 Decimal 636642021
12 Duodecimal 159263119
16 Hexadecimal 25f262e5
20 Vigesimal 9ij0511
36 Base36 aj1g4l

Cryptographic Hash Functions

md5 a605695a9ee89ee730bf2e28ac9f42f0
sha1 009dbd910a8728945570a58ef5d7518cd7dc7ff0
sha256 d8a673955871cb71218f52e0509db424d8cecfde544832356b4b4b64a4ad8448
sha512 0bd85b16bd3793109b3459d9b2ca3ac0c2d744a52b03666a8adb22602d550aff447b52c35d9930177bab09386c31f0374e11dadda6504187c9adbb3af89e7838
ripemd-160 1664988f51220f657976ea378e10cce7d84557a9

636642021 as geometric shapes

Circle

Radius = n
Diameter 1273284042
Circumference 4000139792.2803
Area 1.2733285408199E+18

Sphere

Radius = n
Volume 1.0808726074994E+27
Surface area 5.0933141632797E+18
Circumference 4000139792.2803

Square

Length = n
Perimeter 2546568084
Area 405313062902964441
Diagonal 900347780.47482

Cube

Length = n
Surface area 2431878377417786646
Volume 2.5803932750424E+26
Space diagonal 1102696326.6053

Equilateral Triangle

Length = n
Perimeter 1909926063
Area 1.7550570447982E+17
Altitude 551348163.30267

Triangular Pyramid

Length = n
Surface area 1.7550570447982E+17
Volume 3.0410226381844E+25
Height 300115926.82494