638442045 (number)

638442045 is an odd 9-digits composite number following 638442044 and preceding 638442046. In scientific notation, it is written as 6.38442045 × 10^8. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 340305408 positive integers (up to 638442045) that are relatively prime to 638442045.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million four hundred forty-two thousand forty-five

Notation

Scientific notation 6.38442045 × 10^8
Engineering notation 6.38442045 × 10^6

Prime Factorization of 638442045

Prime Factorization 5 × 9 × 5737 × 2473

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638442045
Product of the distinct prime numbers

The prime factorization of 638442045 is 5 × 9 × 5737 × 2473. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 36, 45, 445, 485, 7176, 3514, 18757, 63801, 221582, 615402, 7234756, 9182404, 12257486, 56868209, 627710928, 122572169, 7887556615, 8601067184

Basic calculations (n = 638442045)

Multiplication

n×y
n×2 1276884090
n×3 1915326135
n×4 2553768180
n×5 3192210225

Division

n÷y
n÷2 319221022.5
n÷3 212814015
n÷3 159610511.25
n÷5 127688409

Exponentiation

ny
n2 407608244823782025
n3 2.6023424138416E+26
n4 1.6614448124832E+35
n5 1.0607362237364E+44

Nth Root

y√n
2√n 25267.410730029
3√n 861.07403443399
4√n 158.95726070246
5√n 57.679873069649

Divisors of 638442045

1, 5, 9, 45, 2473, 5737, 12365, 22257, 28685, 51633, 111285, 258165, 14187601, 70938005, 127688409, 638442045

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 -638442044
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 638442045 can be divided by 16 positive divisors. The sum of these divisors (counting 638442045) is 1, the average is 0.0625.

Base conversion 638442045

Base System Value
2 Binary 100110000011011101101000111101
3 Ternary 1122111100012211200
4 Quaternary 212003131220331
5 Quinary 2301420121140
6 Senary 143204010113
8 Octal 4603355075
10 Decimal 638442045
12 Duodecimal 159990939
16 Hexadecimal 260dda3d
20 Vigesimal 9ja5525
36 Base36 ak4119

Cryptographic Hash Functions

md5 665e3699b8694932f9ab6dfed96ccb11
sha1 526f03d81c1fecc1a9308292d8cda6885e4345fb
sha256 81fd6b22266edfd97f31ff5f296c13a5455c1c71393cf817b5215d36ded84b69
sha512 365e7d66e3bc5f1a580e31637d8689c5558967bfd6e69c5926acc6808005631af8082475704373919c75046cdfb0a7cd45082858f5390bc833660ddf38630c19
ripemd-160 95020be9cbd3a0236a2fc80e436b2bdf00266717

638442045 as geometric shapes

Circle

Radius = n
Diameter 1276884090
Circumference 4011449676.6297
Area 1.280539067481E+18

Sphere

Radius = n
Volume 1.09006664126E+27
Surface area 5.1221562699241E+18
Circumference 4011449676.6297

Square

Length = n
Perimeter 2553768180
Area 407608244823782025
Diagonal 902893398.82821

Cube

Length = n
Surface area 2445649468942692150
Volume 2.6023424138416E+26
Space diagonal 1105814059.6282

Equilateral Triangle

Length = n
Perimeter 1915326135
Area 1.7649954740469E+17
Altitude 552907029.81409

Triangular Pyramid

Length = n
Surface area 1.7649954740469E+17
Volume 3.0668899463279E+25
Height 300964466.27607