638545400 (number)

638545400 is an even 9-digits composite number following 638545399 and preceding 638545401. In scientific notation, it is written as 6.38545400 × 10^8. The sum of its digits is 35. It has a total of 5 prime factors and 16 positive divisors. There are 255418080 positive integers (up to 638545400) that are relatively prime to 638545400.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38545400 × 10^8
Engineering notation 6.38545400 × 10^6

Prime Factorization of 638545400

Prime Factorization 2 × 2 × 2 × 25 × 3192727

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 159636350
Product of the distinct prime numbers

The prime factorization of 638545400 is 2 × 2 × 2 × 25 × 3192727. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 4, 59, 60, 403, 657, 8235, 2633, 11880, 33815, 811582, 666821, 494288, 4907728, 64456055, 24451104, 671582400, 139695422, 6468797989, 6522266090

Basic calculations (n = 638545400)

Multiplication

n×y
n×2 1277090800
n×3 1915636200
n×4 2554181600
n×5 3192727000

Division

n÷y
n÷2 319272700
n÷3 212848466.66667
n÷3 159636350
n÷5 127709080

Exponentiation

ny
n2 407740227861160000
n3 2.603606468957E+26
n4 1.6625209341627E+35
n5 1.0615950949133E+44

Nth Root

y√n
2√n 25269.455870675
3√n 861.12049728082
4√n 158.96369356138
5√n 57.681740464608

Divisors of 638545400

1, 2, 4, 8, 25, 50, 100, 200, 3192727, 6385454, 12770908, 25541816, 79818175, 159636350, 319272700, 638545400

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 -638545399
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 638545400 can be divided by 16 positive divisors. The sum of these divisors (counting 638545400) is 1, the average is 0.0625.

Base conversion 638545400

Base System Value
2 Binary 100110000011110110110111111000
3 Ternary 1122111112110121122
4 Quaternary 212003312313320
5 Quinary 2301431423100
6 Senary 143210124412
8 Octal 4603666770
10 Decimal 638545400
12 Duodecimal 159a20708
16 Hexadecimal 260f6df8
20 Vigesimal 9jai3a0
36 Base36 ak68s8

Cryptographic Hash Functions

md5 1bbb80e5be4a58e5c4e43bf65369b0a4
sha1 f1caab0f89d94944a8d3edac018929f1aac17444
sha256 1eab9dc7aa1e24a5232a3652f98d3b594c02ad23fb4d80b62b6d897e09fc08f4
sha512 150664f9816afc633fd796af63c905bdeb362423312a58d8bc08e04f52797d0d174f1821b960d35774fed06679acaac24c6c4f27cde05eb44bb7a0e083a27b47
ripemd-160 4b0b58f16f44484006dc297dd87859b3747c8640

638545400 as geometric shapes

Circle

Radius = n
Diameter 1277090800
Circumference 4012099075.2471
Area 1.2809537044216E+18

Sphere

Radius = n
Volume 1.0905961274285E+27
Surface area 5.1238148176866E+18
Circumference 4012099075.2471

Square

Length = n
Perimeter 2554181600
Area 407740227861160000
Diagonal 903039564.87095

Cube

Length = n
Surface area 2446441367166960000
Volume 2.603606468957E+26
Space diagonal 1105993075.7394

Equilateral Triangle

Length = n
Perimeter 1915636200
Area 1.7655669773631E+17
Altitude 552996537.8697

Triangular Pyramid

Length = n
Surface area 1.7655669773631E+17
Volume 3.0683796495677E+25
Height 301013188.29032