638578664 (number)

638578664 is an even 9-digits composite number following 638578663 and preceding 638578665. In scientific notation, it is written as 6.38578664 × 10^8. The sum of its digits is 53. It has a total of 5 prime factors and 16 positive divisors. There are 317963520 positive integers (up to 638578664) that are relatively prime to 638578664.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred seventy-eight thousand six hundred sixty-four

Notation

Scientific notation 6.38578664 × 10^8
Engineering notation 6.38578664 × 10^6

Prime Factorization of 638578664

Prime Factorization 2 × 2 × 2 × 241 × 331213

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 159644666
Product of the distinct prime numbers

The prime factorization of 638578664 is 2 × 2 × 2 × 241 × 331213. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 9, 84, 81, 293, 517, 6882, 1963, 14137, 61288, 967224, 695735, 4917052, 1588367, 91186656, 17031654, 694624349, 988535106, 286622846, 2331151

Basic calculations (n = 638578664)

Multiplication

n×y
n×2 1277157328
n×3 1915735992
n×4 2554314656
n×5 3192893320

Division

n÷y
n÷2 319289332
n÷3 212859554.66667
n÷3 159644666
n÷5 127715732.8

Exponentiation

ny
n2 407782710116024896
n3 2.6040133822819E+26
n4 1.6628673866957E+35
n5 1.0618716342053E+44

Nth Root

y√n
2√n 25270.114048021
3√n 861.13544991892
4√n 158.9657637607
5√n 57.682341419665

Divisors of 638578664

1, 2, 4, 8, 241, 482, 964, 1928, 331213, 662426, 1324852, 2649704, 79822333, 159644666, 319289332, 638578664

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638578663
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638578664 can be divided by 16 positive divisors. The sum of these divisors (counting 638578664) is 1, the average is 0.0625.

Base conversion 638578664

Base System Value
2 Binary 100110000011111110111111101000
3 Ternary 1122111121011020122
4 Quaternary 212003332333220
5 Quinary 2301434004124
6 Senary 143210542412
8 Octal 4603767750
10 Decimal 638578664
12 Duodecimal 159a37a08
16 Hexadecimal 260fefe8
20 Vigesimal 9jb26d4
36 Base36 ak6yg8

Cryptographic Hash Functions

md5 5d4cef3d4af058e56b7053cd97c60981
sha1 c5facc081c65520359fe7011a50f21b04bb5b8c5
sha256 4e6fc7f0aeb8133e21f8d3542f6f6c347f3f1bf5c43eb2119e177a03eea3d427
sha512 f384abe03cfa53d783b4288157d7eff0c94f7d33f6afd5cf84473195984240ad9b0eb5bb82f7e2513505a021cd46af390a40ee33b72f3498a4fce13670367e4f
ripemd-160 f46a7609f150eaf21c5c7cf1aaf4a815be0e78ba

638578664 as geometric shapes

Circle

Radius = n
Diameter 1277157328
Circumference 4012308079.1232
Area 1.2810871663614E+18

Sphere

Radius = n
Volume 1.0907665748835E+27
Surface area 5.1243486654458E+18
Circumference 4012308079.1232

Square

Length = n
Perimeter 2554314656
Area 407782710116024896
Diagonal 903086607.27089

Cube

Length = n
Surface area 2446696260696149376
Volume 2.6040133822819E+26
Space diagonal 1106050690.6775

Equilateral Triangle

Length = n
Perimeter 1915735992
Area 1.7657509309227E+17
Altitude 553025345.33873

Triangular Pyramid

Length = n
Surface area 1.7657509309227E+17
Volume 3.0688592015201E+25
Height 301028869.0903