638998364 (number)

638998364 is an even 9-digits composite number following 638998363 and preceding 638998365. In scientific notation, it is written as 6.38998364 × 10^8. The sum of its digits is 56. It has a total of 4 prime factors and 12 positive divisors. There are 316205184 positive integers (up to 638998364) that are relatively prime to 638998364.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-eight thousand three hundred sixty-four

Notation

Scientific notation 6.38998364 × 10^8
Engineering notation 6.38998364 × 10^6

Prime Factorization of 638998364

Prime Factorization 2 × 2 × 97 × 1646903

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 319499182
Product of the distinct prime numbers

The prime factorization of 638998364 is 2 × 2 × 97 × 1646903. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638998364)

Multiplication

n×y
n×2 1277996728
n×3 1916995092
n×4 2555993456
n×5 3194991820

Division

n÷y
n÷2 319499182
n÷3 212999454.66667
n÷3 159749591
n÷5 127799672.8

Exponentiation

ny
n2 408318909194676496
n3 2.6091511496566E+26
n4 1.6672433160593E+35
n5 1.0653657513518E+44

Nth Root

y√n
2√n 25278.416959928
3√n 861.32406640839
4√n 158.99187702499
5√n 57.689921665619

Divisors of 638998364

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638998363
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638998364 can be divided by 12 positive divisors. The sum of these divisors (counting 638998364) is 1, the average is 0.083333333333333.

Base conversion 638998364

Base System Value
2 Binary 100110000101100101011101011100
3 Ternary 1122112101110222002
4 Quaternary 212011211131130
5 Quinary 2302040421424
6 Senary 143223541432
8 Octal 4605453534
10 Decimal 638998364
12 Duodecimal 159bba878
16 Hexadecimal 2616575c
20 Vigesimal 9jdefi4
36 Base36 akfyak

Cryptographic Hash Functions

md5 e3a0fb0a2b832f661c5635132e1d4bcd
sha1 8186ccc0ef4dc2af431de9763248b54cef2dc9b1
sha256 22814c2470df424a99c4e09b8a7447567f7ef64c6d28fee7b75d6c16bef3c280
sha512 07cbc51ea3be26b2fd8257f6e691268a65f9afd54f15a7a6081958b6f3034dcb9a3c4bc501745e4d3e0b04e34e4e9a8d74b5973271165ac0ef47de35ec5f630c
ripemd-160 115b1f7900f3a3635612e62ffc9b90eca0a0cc7e

638998364 as geometric shapes

Circle

Radius = n
Diameter 1277996728
Circumference 4014945131.9966
Area 1.2827716854478E+18

Sphere

Radius = n
Volume 1.0929186778489E+27
Surface area 5.1310867417912E+18
Circumference 4014945131.9966

Square

Length = n
Perimeter 2555993456
Area 408318909194676496
Diagonal 903680152.70302

Cube

Length = n
Surface area 2449913455168058976
Volume 2.6091511496566E+26
Space diagonal 1106777632.4014

Equilateral Triangle

Length = n
Perimeter 1916995092
Area 1.7680727410407E+17
Altitude 553388816.2007

Triangular Pyramid

Length = n
Surface area 1.7680727410407E+17
Volume 3.0749141184381E+25
Height 301226717.56767