638861545 (number)

638861545 is an odd 9-digits composite number following 638861544 and preceding 638861546. In scientific notation, it is written as 6.38861545 × 10^8. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 432529344 positive integers (up to 638861545) that are relatively prime to 638861545.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred sixty-one thousand five hundred forty-five

Notation

Scientific notation 6.38861545 × 10^8
Engineering notation 6.38861545 × 10^6

Prime Factorization of 638861545

Prime Factorization 5 × 7 × 79 × 231053

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638861545
Product of the distinct prime numbers

The prime factorization of 638861545 is 5 × 7 × 79 × 231053. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 11, 31, 371, 799, 3788, 3229, 43782, 52455, 105290, 898535, 4025916, 8483354, 49204852, 88656266, 298102958, 636120187, 9608883739, 6788593524

Basic calculations (n = 638861545)

Multiplication

n×y
n×2 1277723090
n×3 1916584635
n×4 2555446180
n×5 3194307725

Division

n÷y
n÷2 319430772.5
n÷3 212953848.33333
n÷3 159715386.25
n÷5 127772309

Exponentiation

ny
n2 408144073679787025
n3 2.6074755349366E+26
n4 1.6658158487993E+35
n5 1.0642256868494E+44

Nth Root

y√n
2√n 25275.710573592
3√n 861.26258794673
4√n 158.9833657135
5√n 57.687451000925

Divisors of 638861545

1, 5, 7, 35, 79, 395, 553, 2765, 231053, 1155265, 1617371, 8086855, 18253187, 91265935, 127772309, 638861545

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 -638861544
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 638861545 can be divided by 16 positive divisors. The sum of these divisors (counting 638861545) is 1, the average is 0.0625.

Base conversion 638861545

Base System Value
2 Binary 100110000101000100000011101001
3 Ternary 1122112010112021201
4 Quaternary 212011010003221
5 Quinary 2302022032140
6 Senary 143221004201
8 Octal 4605040351
10 Decimal 638861545
12 Duodecimal 159b53661
16 Hexadecimal 261440e9
20 Vigesimal 9jchdh5
36 Base36 akd0q1

Cryptographic Hash Functions

md5 e08b72bdcadf91753f7cf8e02d044ded
sha1 4387558705444eeb4043d232dcbeb846fd104780
sha256 6dcb4ba251f906b369bd7d9ee546e6634e1dd1db6c40eef8b9dce90f7f750393
sha512 03594f0fc886e620a1f5a504a7ee91a4fcf8d3456fc31b209de4a7067426a39fb5ae33a9b00f44c7011770ab3fa6840df21039a865bab8f4f4de61e07cde1905
ripemd-160 db07f7c5beb29eeb604d83142d8afe5d1f943945

638861545 as geometric shapes

Circle

Radius = n
Diameter 1277723090
Circumference 4014085472.8661
Area 1.2822224234786E+18

Sphere

Radius = n
Volume 1.0922167979963E+27
Surface area 5.1288896939145E+18
Circumference 4014085472.8661

Square

Length = n
Perimeter 2555446180
Area 408144073679787025
Diagonal 903486661.41763

Cube

Length = n
Surface area 2448864442078722150
Volume 2.6074755349366E+26
Space diagonal 1106540654.942

Equilateral Triangle

Length = n
Perimeter 1916584635
Area 1.7673156810538E+17
Altitude 553270327.47098

Triangular Pyramid

Length = n
Surface area 1.7673156810538E+17
Volume 3.0729393875528E+25
Height 301162220.47254