638652021 (number)

638652021 is an odd 9-digits composite number following 638652020 and preceding 638652022. In scientific notation, it is written as 6.38652021 × 10^8. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 364944000 positive integers (up to 638652021) that are relatively prime to 638652021.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million six hundred fifty-two thousand twenty-one

Notation

Scientific notation 6.38652021 × 10^8
Engineering notation 6.38652021 × 10^6

Prime Factorization of 638652021

Prime Factorization 7 × 3 × 30412001

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638652021
Product of the distinct prime numbers

The prime factorization of 638652021 is 7 × 3 × 30412001. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 8, 28, 93, 870, 45, 667, 2638, 53269, 98240, 773383, 210897, 7350815, 859458, 32240757, 27245900, 567973556, 264585429, 4083221727, 2719749165

Basic calculations (n = 638652021)

Multiplication

n×y
n×2 1277304042
n×3 1915956063
n×4 2554608084
n×5 3193260105

Division

n÷y
n÷2 319326010.5
n÷3 212884007
n÷3 159663005.25
n÷5 127730404.2

Exponentiation

ny
n2 407876403927384441
n3 2.6049108968644E+26
n4 1.6636316088073E+35
n5 1.0624816891643E+44

Nth Root

y√n
2√n 25271.565463976
3√n 861.16842309201
4√n 158.97032887925
5√n 57.683666615553

Divisors of 638652021

1, 3, 7, 21, 30412001, 91236003, 212884007, 638652021

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 -638652020
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 638652021 can be divided by 8 positive divisors. The sum of these divisors (counting 638652021) is 1, the average is 0.125.

Base conversion 638652021

Base System Value
2 Binary 100110000100010000111001110101
3 Ternary 1122111201212212120
4 Quaternary 212010100321311
5 Quinary 2301443331041
6 Senary 143212310153
8 Octal 4604207165
10 Decimal 638652021
12 Duodecimal 159a72359
16 Hexadecimal 26110e75
20 Vigesimal 9jbba11
36 Base36 ak8j1x

Cryptographic Hash Functions

md5 f698e0bb52c831d8ba1794b827f07b4b
sha1 af583021c3d57e8167d164bc9df8590a07dcfea2
sha256 4bb7e7ac6f36a82a9927925cb347aa6b191832db39c67e3bdcf88621586e1f5b
sha512 e681ac72d02d94d9c6421f9168c629aeb568f488661d714a136517af259882ff0ca3ce254fdb1375c20fffe59a343efdb1f572674ad6cbc0c68cd68badef5913
ripemd-160 b8663e4353fd9984e01b4269be4d06af54013a82

638652021 as geometric shapes

Circle

Radius = n
Diameter 1277304042
Circumference 4012768994.7477
Area 1.2813815141509E+18

Sphere

Radius = n
Volume 1.0911425249127E+27
Surface area 5.1255260566036E+18
Circumference 4012768994.7477

Square

Length = n
Perimeter 2554608084
Area 407876403927384441
Diagonal 903190349.73519

Cube

Length = n
Surface area 2447258423564306646
Volume 2.6049108968644E+26
Space diagonal 1106177748.7285

Equilateral Triangle

Length = n
Perimeter 1915956063
Area 1.7661566370268E+17
Altitude 553088874.36427

Triangular Pyramid

Length = n
Surface area 1.7661566370268E+17
Volume 3.0699169325992E+25
Height 301063449.91173