638625 (number)

638625 is an odd 6-digits composite number following 638624 and preceding 638626. In scientific notation, it is written as 6.38625 × 10^5. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 312000 positive integers (up to 638625) that are relatively prime to 638625.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight thousand six hundred twenty-five

Notation

Scientific notation 6.38625 × 10^5
Engineering notation 6.38625 × 10^3

Prime Factorization of 638625

Prime Factorization 15 × 25 × 13 × 131

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638625
Product of the distinct prime numbers

The prime factorization of 638625 is 15 × 25 × 13 × 131. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638625)

Multiplication

n×y
n×2 1277250
n×3 1915875
n×4 2554500
n×5 3193125

Division

n÷y
n÷2 319312.5
n÷3 212875
n÷3 159656.25
n÷5 127725

Exponentiation

ny
n2 407841890625
n3 260458027400390625
n4 1.6633500774857E+23
n5 1.0622569432343E+29

Nth Root

y√n
2√n 799.14016292513
3√n 86.115627774035
4√n 28.269067245403
5√n 14.489359338727

Divisors of 638625

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638624
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638625 can be divided by 16 positive divisors. The sum of these divisors (counting 638625) is 1, the average is 0.0625.

Base conversion 638625

Base System Value
2 Binary 10011011111010100001
3 Ternary 1012110000210
4 Quaternary 2123322201
5 Quinary 130414000
6 Senary 21404333
8 Octal 2337241
10 Decimal 638625
12 Duodecimal 2696a9
16 Hexadecimal 9bea1
20 Vigesimal 3jgb5
36 Base36 dorl

Cryptographic Hash Functions

md5 5d93cdb1a6bdad320dee3af03069169c
sha1 941f1cd5a68f8f3d44da176cdecfa220e47c2ef4
sha256 e65c2ae77c1174805b48e73d388d078ca0df7a1826e9f0a971a4f2adc435a228
sha512 fa1e9c401a73ff28a71f9ac0a1b10eea7252340f9574f902a7beb71d542137277828b0238efda5a602035c897a1fcbab7d6b6ed771a82d7901b909b7f8b9e2eb
ripemd-160 c8afa85543a94f16ff4bb2542a11bd1be6edb8c7

638625 as geometric shapes

Circle

Radius = n
Diameter 1277250
Circumference 4012599.2167976
Area 1281273087413.7

Sphere

Radius = n
Volume 1.0910040339327E+18
Surface area 5125092349654.7
Circumference 4012599.2167976

Square

Length = n
Perimeter 2554500
Area 407841890625
Diagonal 903152.13627052

Cube

Length = n
Surface area 2447051343750
Volume 260458027400390625
Space diagonal 1106130.9469837

Equilateral Triangle

Length = n
Perimeter 1915875
Area 176600719004.36
Altitude 553065.47349184

Triangular Pyramid

Length = n
Surface area 176600719004.36
Volume 3.0695272898215E+16
Height 301050.71209017