638564145 (number)

638564145 is an odd 9-digits composite number following 638564144 and preceding 638564146. In scientific notation, it is written as 6.38564145 × 10^8. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 340567536 positive integers (up to 638564145) that are relatively prime to 638564145.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred sixty-four thousand one hundred forty-five

Notation

Scientific notation 6.38564145 × 10^8
Engineering notation 6.38564145 × 10^6

Prime Factorization of 638564145

Prime Factorization 15 × 42570943

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638564145
Product of the distinct prime numbers

The prime factorization of 638564145 is 15 × 42570943. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 5, 29, 53, 973, 618, 5954, 300, 35843, 55869, 698169, 27968, 3682733, 3923829, 54026731, 47525473, 366937357, 308322829, 4866669635, 6894311620

Basic calculations (n = 638564145)

Multiplication

n×y
n×2 1277128290
n×3 1915692435
n×4 2554256580
n×5 3192820725

Division

n÷y
n÷2 319282072.5
n÷3 212854715
n÷3 159641036.25
n÷5 127712829

Exponentiation

ny
n2 407764167279581025
n3 2.6038357684052E+26
n4 1.6627161611721E+35
n5 1.0617509238365E+44

Nth Root

y√n
2√n 25269.826770281
3√n 861.12892348709
4√n 158.96486017444
5√n 57.682079119159

Divisors of 638564145

1, 15, 42570943, 638564145

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 -638564144
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 638564145 can be divided by 4 positive divisors. The sum of these divisors (counting 638564145) is 1, the average is 0.25.

Base conversion 638564145

Base System Value
2 Binary 100110000011111011011100110001
3 Ternary 1122111120102022220
4 Quaternary 212003323130301
5 Quinary 2301433023040
6 Senary 143210351253
8 Octal 4603733461
10 Decimal 638564145
12 Duodecimal 159a2b529
16 Hexadecimal 260fb731
20 Vigesimal 9jb0a75
36 Base36 ak6n8x

Cryptographic Hash Functions

md5 059539d9f9565dc8ae53b0f15fe11091
sha1 299578fcd58486efdb82fc76f096c31c1ec0af95
sha256 a9b28e662b25e4c1ba7151e764df5beb2a6c1e750705c3d4fe5c6b5eab21f9b4
sha512 44eeb63b52de3a3cd18ffcf3ee8b1b8453d72c4f6be7817eb1fa847558e57583bf02f0c1197a03092a6ced805029713bc699424d88129d59bba08ef4db3771a1
ripemd-160 441a757e2465db242f7ca67652f26633f886b446

638564145 as geometric shapes

Circle

Radius = n
Diameter 1277128290
Circumference 4012216853.5557
Area 1.2810289123227E+18

Sphere

Radius = n
Volume 1.0906921761568E+27
Surface area 5.1241156492908E+18
Circumference 4012216853.5557

Square

Length = n
Perimeter 2554256580
Area 407764167279581025
Diagonal 903066074.30418

Cube

Length = n
Surface area 2446585003677486150
Volume 2.6038357684052E+26
Space diagonal 1106025543.0318

Equilateral Triangle

Length = n
Perimeter 1915692435
Area 1.7656706380856E+17
Altitude 553012771.51589

Triangular Pyramid

Length = n
Surface area 1.7656706380856E+17
Volume 3.068649881559E+25
Height 301022024.76806