638528081 (number)

638528081 is an odd 9-digits composite number following 638528080 and preceding 638528082. In scientific notation, it is written as 6.38528081 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 638456832 positive integers (up to 638528081) that are relatively prime to 638528081.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred twenty-eight thousand eighty-one

Notation

Scientific notation 6.38528081 × 10^8
Engineering notation 6.38528081 × 10^6

Prime Factorization of 638528081

Prime Factorization 10513 × 60737

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638528081
Product of the distinct prime numbers

The prime factorization of 638528081 is 10513 × 60737. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 7, 1, 20, 65, 766, 2297, 2948, 13096, 83228, 769233, 928221, 5829923, 5744906, 11248746, 11955397, 268981807, 773265509, 415220524, 9788196334

Basic calculations (n = 638528081)

Multiplication

n×y
n×2 1277056162
n×3 1915584243
n×4 2554112324
n×5 3192640405

Division

n÷y
n÷2 319264040.5
n÷3 212842693.66667
n÷3 159632020.25
n÷5 127705616.2

Exponentiation

ny
n2 407718110225542561
n3 2.6033946251126E+26
n4 1.6623405740589E+35
n5 1.0614511367223E+44

Nth Root

y√n
2√n 25269.113181906
3√n 861.11271193998
4√n 158.96261567396
5√n 57.681427565666

Divisors of 638528081

1, 10513, 60737, 638528081

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638528080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638528081 can be divided by 4 positive divisors. The sum of these divisors (counting 638528081) is 1, the average is 0.25.

Base conversion 638528081

Base System Value
2 Binary 100110000011110010101001010001
3 Ternary 1122111111120212012
4 Quaternary 212003302221101
5 Quinary 2301430344311
6 Senary 143205512305
8 Octal 4603625121
10 Decimal 638528081
12 Duodecimal 159a12695
16 Hexadecimal 260f2a51
20 Vigesimal 9jag041
36 Base36 ak5vf5

Cryptographic Hash Functions

md5 6f0863fc5d11f365d35086341e32d3eb
sha1 970007f42dde315876106ff6c2d3a6c8f758f925
sha256 98401af0d3040b535bcf5e2f37983d6df176cf9bae8dd40c1dfb243e367479e3
sha512 1dc7ae80ec052e2964d73c8415f05b2b125cabce242aa5dd1567fc98d8980178e509d2a1df339b2f64c484921df5a4d3db0483d601ff8a41ee14ca7a7a36ffae
ripemd-160 a0119ab6192ca7021268ec08e5e41d39455eb9ca

638528081 as geometric shapes

Circle

Radius = n
Diameter 1277056162
Circumference 4011990256.7608
Area 1.2808842198201E+18

Sphere

Radius = n
Volume 1.0905073904865E+27
Surface area 5.1235368792803E+18
Circumference 4011990256.7608

Square

Length = n
Perimeter 2554112324
Area 407718110225542561
Diagonal 903015072.10627

Cube

Length = n
Surface area 2446308661353255366
Volume 2.6033946251126E+26
Space diagonal 1105963078.3515

Equilateral Triangle

Length = n
Perimeter 1915584243
Area 1.7654712051915E+17
Altitude 552981539.17573

Triangular Pyramid

Length = n
Surface area 1.7654712051915E+17
Volume 3.0681299892029E+25
Height 301005024.03542