638631257 (number)

638631257 is an odd 9-digits composite number following 638631256 and preceding 638631258. In scientific notation, it is written as 6.38631257 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 580573860 positive integers (up to 638631257) that are relatively prime to 638631257.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38631257 × 10^8
Engineering notation 6.38631257 × 10^6

Prime Factorization of 638631257

Prime Factorization 11 × 58057387

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638631257
Product of the distinct prime numbers

The prime factorization of 638631257 is 11 × 58057387. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 6, 13, 57, 97, 818, 5912, 9465, 52966, 44645, 834427, 969466, 1040571, 3231091, 99537501, 33064862, 217643630, 67469195, 9459259627, 9706365812

Basic calculations (n = 638631257)

Multiplication

n×y
n×2 1277262514
n×3 1915893771
n×4 2554525028
n×5 3193156285

Division

n÷y
n÷2 319315628.5
n÷3 212877085.66667
n÷3 159657814.25
n÷5 127726251.4

Exponentiation

ny
n2 407849882417400049
n3 2.6046568307553E+26
n4 1.6634152658789E+35
n5 1.0623089821612E+44

Nth Root

y√n
2√n 25271.15464319
3√n 861.15909015621
4√n 158.9690367436
5√n 57.683291525773

Divisors of 638631257

1, 11, 58057387, 638631257

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 -638631256
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 638631257 can be divided by 4 positive divisors. The sum of these divisors (counting 638631257) is 1, the average is 0.25.

Base conversion 638631257

Base System Value
2 Binary 100110000100001011110101011001
3 Ternary 1122111200211101112
4 Quaternary 212010023311121
5 Quinary 2301442200012
6 Senary 143212030105
8 Octal 4604136531
10 Decimal 638631257
12 Duodecimal 159a62335
16 Hexadecimal 2610bd59
20 Vigesimal 9jb8i2h
36 Base36 ak8315

Cryptographic Hash Functions

md5 e3181cf8dcca205377354fe01202fd03
sha1 179c87f3847bc42e296f9153fcc559da02922b28
sha256 aa05ef169a2a4fbefd048db37b8719fdfac3c9e8d7adf8ac2eeeaef00a696597
sha512 806fab850dd7224e02e36478422ea070038230e1bd620bf9ac08e696d79017dbf634b92331b848fa77d23a983fbe7dbeced9a1a3045177f2e66bbb1f59c2aa98
ripemd-160 129a5491a01a4c4fc5572369d3b52f5648e65a7f

638631257 as geometric shapes

Circle

Radius = n
Diameter 1277262514
Circumference 4012638530.688
Area 1.28129819437E+18

Sphere

Radius = n
Volume 1.0910361019498E+27
Surface area 5.1251927774799E+18
Circumference 4012638530.688

Square

Length = n
Perimeter 2554525028
Area 407849882417400049
Diagonal 903160985.00478

Cube

Length = n
Surface area 2447099294504400294
Volume 2.6046568307553E+26
Space diagonal 1106141784.4256

Equilateral Triangle

Length = n
Perimeter 1915893771
Area 1.7660417955198E+17
Altitude 553070892.21279

Triangular Pyramid

Length = n
Surface area 1.7660417955198E+17
Volume 3.0696175128182E+25
Height 301053661.66826