638866497 (number)

638866497 is an odd 9-digits composite number following 638866496 and preceding 638866498. In scientific notation, it is written as 6.38866497 × 10^8. The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors. There are 425910996 positive integers (up to 638866497) that are relatively prime to 638866497.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred sixty-six thousand four hundred ninety-seven

Notation

Scientific notation 6.38866497 × 10^8
Engineering notation 6.38866497 × 10^6

Prime Factorization of 638866497

Prime Factorization 3 × 212955499

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638866497
Product of the distinct prime numbers

The prime factorization of 638866497 is 3 × 212955499. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 9, 1, 63, 203, 86, 7424, 2278, 40922, 20155, 757609, 131473, 8040515, 9538737, 52476883, 13983445, 839494296, 297735120, 6099972711, 2382086302

Basic calculations (n = 638866497)

Multiplication

n×y
n×2 1277732994
n×3 1916599491
n×4 2555465988
n×5 3194332485

Division

n÷y
n÷2 319433248.5
n÷3 212955499
n÷3 159716624.25
n÷5 127773299.4

Exponentiation

ny
n2 408150400989051009
n3 2.6075361692902E+26
n4 1.6658674982752E+35
n5 1.0642669330893E+44

Nth Root

y√n
2√n 25275.808533062
3√n 861.26481323918
4√n 158.98367379408
5√n 57.68754043106

Divisors of 638866497

1, 3, 212955499, 638866497

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 -638866496
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 638866497 can be divided by 4 positive divisors. The sum of these divisors (counting 638866497) is 1, the average is 0.25.

Base conversion 638866497

Base System Value
2 Binary 100110000101000101010001000001
3 Ternary 1122112010210002010
4 Quaternary 212011011101001
5 Quinary 2302022211442
6 Senary 143221043133
8 Octal 4605052101
10 Decimal 638866497
12 Duodecimal 159b564a9
16 Hexadecimal 26145441
20 Vigesimal 9jci64h
36 Base36 akd4jl

Cryptographic Hash Functions

md5 9a24da4ae7a085faca97e3d768643732
sha1 209e019675623aa9056d6ef7c56d20e0767f52bb
sha256 c067fa31e73f74606543d61c59962a4fa5e38ccf1c50d6ff7075b26a13789c2f
sha512 fab608cea2f9d38b50f94a9a2a2fda24a42fa1c0d348ff58b18154df9f03fbedd2a71cbc12d1ebad05669be5219327c41a14f078dee38d38c704b429bc80dcc1
ripemd-160 b85597790acff77eecf12b9a31d636419fdef588

638866497 as geometric shapes

Circle

Radius = n
Diameter 1277732994
Circumference 4014116587.1997
Area 1.2822423013069E+18

Sphere

Radius = n
Volume 1.0922421964549E+27
Surface area 5.1289692052277E+18
Circumference 4014116587.1997

Square

Length = n
Perimeter 2555465988
Area 408150400989051009
Diagonal 903493664.60319

Cube

Length = n
Surface area 2448902405934306054
Volume 2.6075361692902E+26
Space diagonal 1106549232.0575

Equilateral Triangle

Length = n
Perimeter 1916599491
Area 1.7673430791066E+17
Altitude 553274616.02877

Triangular Pyramid

Length = n
Surface area 1.7673430791066E+17
Volume 3.0730108458238E+25
Height 301164554.86773