638993823 (number)

638993823 is an odd 9-digits composite number following 638993822 and preceding 638993824. In scientific notation, it is written as 6.38993823 × 10^8. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 387686880 positive integers (up to 638993823) that are relatively prime to 638993823.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-three thousand eight hundred twenty-three

Notation

Scientific notation 6.38993823 × 10^8
Engineering notation 6.38993823 × 10^6

Prime Factorization of 638993823

Prime Factorization 3 × 13 × 71 × 230767

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638993823
Product of the distinct prime numbers

The prime factorization of 638993823 is 3 × 13 × 71 × 230767. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 58, 49, 45, 446, 4069, 2746, 74852, 54053, 183514, 794091, 398122, 1918897, 43497644, 12989302, 673182822, 762120110, 1709354187, 5576933218

Basic calculations (n = 638993823)

Multiplication

n×y
n×2 1277987646
n×3 1916981469
n×4 2555975292
n×5 3194969115

Division

n÷y
n÷2 319496911.5
n÷3 212997941
n÷3 159748455.75
n÷5 127798764.6

Exponentiation

ny
n2 408313105832155329
n3 2.6090955247669E+26
n4 1.667195923943E+35
n5 1.0653278971304E+44

Nth Root

y√n
2√n 25278.327140062
3√n 861.32202608921
4√n 158.9915945579
5√n 57.689839671457

Divisors of 638993823

1, 3, 13, 39, 71, 213, 923, 2769, 230767, 692301, 2999971, 8999913, 16384457, 49153371, 212997941, 638993823

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 -638993822
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 638993823 can be divided by 16 positive divisors. The sum of these divisors (counting 638993823) is 1, the average is 0.0625.

Base conversion 638993823

Base System Value
2 Binary 100110000101100100010110011111
3 Ternary 1122112101020201220
4 Quaternary 212011210112133
5 Quinary 2302040300243
6 Senary 143223504423
8 Octal 4605442637
10 Decimal 638993823
12 Duodecimal 159bb8113
16 Hexadecimal 2616459f
20 Vigesimal 9jde4b3
36 Base36 akfusf

Cryptographic Hash Functions

md5 e186848b37ba9a45bb6bb53000b0510f
sha1 a25ebb2923844598ae5c3a577b06dade6833cc28
sha256 0921d9e07ebe820b4de105400c1dbcdcfbf60ae5ddb530f31b9e2144c497f9a5
sha512 cd10c10695ec8aa1adefd83504ff1e36ba4bdc601a62e93b24c559b26e3248351e8e0d1ed86eaf3182052a5c4ff19714c0c4dba31e34390dbdedca32efe9e6d2
ripemd-160 785c3458140a66e81d6e6c6442eaacb586d3cd18

638993823 as geometric shapes

Circle

Radius = n
Diameter 1277987646
Circumference 4014916600.0521
Area 1.2827534536467E+18

Sphere

Radius = n
Volume 1.0928953777496E+27
Surface area 5.1310138145869E+18
Circumference 4014916600.0521

Square

Length = n
Perimeter 2555975292
Area 408313105832155329
Diagonal 903673730.75923

Cube

Length = n
Surface area 2449878634992931974
Volume 2.6090955247669E+26
Space diagonal 1106769767.1587

Equilateral Triangle

Length = n
Perimeter 1916981469
Area 1.7680476117439E+17
Altitude 553384883.57934

Triangular Pyramid

Length = n
Surface area 1.7680476117439E+17
Volume 3.0748485638769E+25
Height 301224576.91974