638964554 (number)

638964554 is an even 9-digits composite number following 638964553 and preceding 638964555. In scientific notation, it is written as 6.38964554 × 10^8. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 319482276 positive integers (up to 638964554) that are relatively prime to 638964554.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred sixty-four thousand five hundred fifty-four

Notation

Scientific notation 6.38964554 × 10^8
Engineering notation 6.38964554 × 10^6

Prime Factorization of 638964554

Prime Factorization 2 × 319482277

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638964554
Product of the distinct prime numbers

The prime factorization of 638964554 is 2 × 319482277. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638964554)

Multiplication

n×y
n×2 1277929108
n×3 1916893662
n×4 2555858216
n×5 3194822770

Division

n÷y
n÷2 319482277
n÷3 212988184.66667
n÷3 159741138.5
n÷5 127792910.8

Exponentiation

ny
n2 408275701268418916
n3 2.6087370137001E+26
n4 1.6668904824622E+35
n5 1.0650839336933E+44

Nth Root

y√n
2√n 25277.748198762
3√n 861.30887498696
4√n 158.98977388109
5√n 57.689311167175

Divisors of 638964554

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 -638964553
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 638964554 can be divided by 4 positive divisors. The sum of these divisors (counting 638964554) is 1, the average is 0.25.

Base conversion 638964554

Base System Value
2 Binary 100110000101011101001101001010
3 Ternary 1122112022202120212
4 Quaternary 212011131031022
5 Quinary 2302033331204
6 Senary 143223121122
8 Octal 4605351512
10 Decimal 638964554
12 Duodecimal 159ba31a2
16 Hexadecimal 2615d34a
20 Vigesimal 9jdab7e
36 Base36 akf87e

Cryptographic Hash Functions

md5 13b0e42f73af2ab4ffa96089c97598b9
sha1 f74ff1ad671060d6af68e49d9970aa8b231faf97
sha256 16285ad10c89214c1729236ffb7a90486b78395397465bf97efdb873271b854c
sha512 3d0ac3abad658678b2f333be70e594ff75d145811d9fdea0101116c702bc5bf41e24f4e0f981b9f253bacad04fbb32652ccbd4929dc53e80c7de5de47ddccf7e
ripemd-160 69c8f79906122ac7eea078e74ed8ab2209c01577

638964554 as geometric shapes

Circle

Radius = n
Diameter 1277929108
Circumference 4014732697.5014
Area 1.2826359437441E+18

Sphere

Radius = n
Volume 1.0927452049851E+27
Surface area 5.1305437749763E+18
Circumference 4014732697.5014

Square

Length = n
Perimeter 2555858216
Area 408275701268418916
Diagonal 903632338.14248

Cube

Length = n
Surface area 2449654207610513496
Volume 2.6087370137001E+26
Space diagonal 1106719071.7636

Equilateral Triangle

Length = n
Perimeter 1916893662
Area 1.7678856452318E+17
Altitude 553359535.88179

Triangular Pyramid

Length = n
Surface area 1.7678856452318E+17
Volume 3.0744260545328E+25
Height 301210779.38083