638992069 (number)

638992069 is an odd 9-digits composite number following 638992068 and preceding 638992070. In scientific notation, it is written as 6.38992069 × 10^8. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 638495820 positive integers (up to 638992069) that are relatively prime to 638992069.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-two thousand sixty-nine

Notation

Scientific notation 6.38992069 × 10^8
Engineering notation 6.38992069 × 10^6

Prime Factorization of 638992069

Prime Factorization 1291 × 494959

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638992069
Product of the distinct prime numbers

The prime factorization of 638992069 is 1291 × 494959. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 6, 79, 4, 63, 358, 2647, 2499, 85166, 22389, 313038, 625341, 9054915, 6509073, 31319745, 58572223, 595927523, 916275796, 642749371, 5989868162

Basic calculations (n = 638992069)

Multiplication

n×y
n×2 1277984138
n×3 1916976207
n×4 2555968276
n×5 3194960345

Division

n÷y
n÷2 319496034.5
n÷3 212997356.33333
n÷3 159748017.25
n÷5 127798413.8

Exponentiation

ny
n2 408310864244900761
n3 2.6090740393903E+26
n4 1.6671776186042E+35
n5 1.0653132759024E+44

Nth Root

y√n
2√n 25278.292446287
3√n 861.32123799593
4√n 158.99148545217
5√n 57.689808000387

Divisors of 638992069

1, 1291, 494959, 638992069

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 -638992068
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 638992069 can be divided by 4 positive divisors. The sum of these divisors (counting 638992069) is 1, the average is 0.25.

Base conversion 638992069

Base System Value
2 Binary 100110000101100011111011000101
3 Ternary 1122112101011022221
4 Quaternary 212011203323011
5 Quinary 2302040221234
6 Senary 143223452341
8 Octal 4605437305
10 Decimal 638992069
12 Duodecimal 159bb70b1
16 Hexadecimal 26163ec5
20 Vigesimal 9jde039
36 Base36 akftfp

Cryptographic Hash Functions

md5 3062af21bddcb37c094d40190c3c2160
sha1 6430784cf04c4781c05ec12696f2250f6ad38936
sha256 46741fac18705eca1a4886563675c9182532b636879f12b584913290d905613b
sha512 894967bbdac9036daa3c5eacd6e0176c6379437268f2b6c8a1f35d5bb206ef6c3723f002c3164abed4240a13d39c1f0af15e5bff3ce14c09f12a64937c6ccbe4
ripemd-160 3505ee63630771b7c25e45b155efaf3593922e58

638992069 as geometric shapes

Circle

Radius = n
Diameter 1277984138
Circumference 4014905579.3451
Area 1.2827464114927E+18

Sphere

Radius = n
Volume 1.092886377976E+27
Surface area 5.1309856459707E+18
Circumference 4014905579.3451

Square

Length = n
Perimeter 2555968276
Area 408310864244900761
Diagonal 903671250.22864

Cube

Length = n
Surface area 2449865185469404566
Volume 2.6090740393903E+26
Space diagonal 1106766729.1416

Equilateral Triangle

Length = n
Perimeter 1916976207
Area 1.7680379053863E+17
Altitude 553383364.57078

Triangular Pyramid

Length = n
Surface area 1.7680379053863E+17
Volume 3.0748232431177E+25
Height 301223750.07621