638761694 (number)

638761694 is an even 9-digits composite number following 638761693 and preceding 638761695. In scientific notation, it is written as 6.38761694 × 10^8. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 319380846 positive integers (up to 638761694) that are relatively prime to 638761694.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38761694 × 10^8
Engineering notation 6.38761694 × 10^6

Prime Factorization of 638761694

Prime Factorization 2 × 319380847

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638761694
Product of the distinct prime numbers

The prime factorization of 638761694 is 2 × 319380847. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 3, 31, 31, 701, 672, 413, 4500, 59380, 73645, 180227, 173144, 8377924, 2821039, 69846603, 306945, 265315586, 882696947, 9116715186, 6501445322

Basic calculations (n = 638761694)

Multiplication

n×y
n×2 1277523388
n×3 1916285082
n×4 2555046776
n×5 3193808470

Division

n÷y
n÷2 319380847
n÷3 212920564.66667
n÷3 159690423.5
n÷5 127752338.8

Exponentiation

ny
n2 408016501721749636
n3 2.6062531181974E+26
n4 1.6647746567725E+35
n5 1.0633942798883E+44

Nth Root

y√n
2√n 25273.735260147
3√n 861.21771520287
4√n 158.9771532647
5√n 57.685647633712

Divisors of 638761694

1, 2, 319380847, 638761694

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 -638761693
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 638761694 can be divided by 4 positive divisors. The sum of these divisors (counting 638761694) is 1, the average is 0.25.

Base conversion 638761694

Base System Value
2 Binary 100110000100101011101011011110
3 Ternary 1122111221110022112
4 Quaternary 212010223223132
5 Quinary 2302010333234
6 Senary 143214514022
8 Octal 4604535336
10 Decimal 638761694
12 Duodecimal 159b05912
16 Hexadecimal 2612bade
20 Vigesimal 9jc544e
36 Base36 akavoe

Cryptographic Hash Functions

md5 12027e056e1857665e26fa47cbb1c6d7
sha1 6cdcd7d4b575b1b34f29451591d4c2592f00cad5
sha256 cc28eec626c01c4a83b7e4801052206de20510e9280913be33eb7b4254d0860a
sha512 36213be9598323cb23be92cc09efac6d6d407c3a4b1d57a90b2046a8b653cc2a7e73871560af982df14ac77ec92c9463a01856494d38e554deb61c283521481a
ripemd-160 dde4737858cbc9375dc5d2a143efbb1f4bdce2f3

638761694 as geometric shapes

Circle

Radius = n
Diameter 1277523388
Circumference 4013458090.5299
Area 1.2818216443525E+18

Sphere

Radius = n
Volume 1.0917047532699E+27
Surface area 5.1272865774098E+18
Circumference 4013458090.5299

Square

Length = n
Perimeter 2555046776
Area 408016501721749636
Diagonal 903345450.77921

Cube

Length = n
Surface area 2448099010330497816
Volume 2.6062531181974E+26
Space diagonal 1106367707.9368

Equilateral Triangle

Length = n
Perimeter 1916285082
Area 1.7667632782715E+17
Altitude 553183853.96838

Triangular Pyramid

Length = n
Surface area 1.7667632782715E+17
Volume 3.0714987556099E+25
Height 301115150.25974