638006913 (number)

638006913 is an odd 9-digits composite number following 638006912 and preceding 638006914. In scientific notation, it is written as 6.38006913 × 10^8. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 402262080 positive integers (up to 638006913) that are relatively prime to 638006913.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million six thousand nine hundred thirteen

Notation

Scientific notation 6.38006913 × 10^8
Engineering notation 6.38006913 × 10^6

Prime Factorization of 638006913

Prime Factorization 207 × 89 × 34631

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638006913
Product of the distinct prime numbers

The prime factorization of 638006913 is 207 × 89 × 34631. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 3, 15, 46, 595, 850, 3898, 1886, 45297, 30147, 793793, 634441, 40136, 5268004, 81092380, 31482331, 842191692, 216921847, 600448372, 231305952

Basic calculations (n = 638006913)

Multiplication

n×y
n×2 1276013826
n×3 1914020739
n×4 2552027652
n×5 3190034565

Division

n÷y
n÷2 319003456.5
n÷3 212668971
n÷3 159501728.25
n÷5 127601382.6

Exponentiation

ny
n2 407052821035789569
n3 2.5970251377699E+26
n4 1.6569199911319E+35
n5 1.0571264086301E+44

Nth Root

y√n
2√n 25258.798724405
3√n 860.87836748529
4√n 158.93016933359
5√n 57.672008548862

Divisors of 638006913

1, 89, 207, 18423, 34631, 3082159, 7168617, 638006913

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638006912
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638006913 can be divided by 8 positive divisors. The sum of these divisors (counting 638006913) is 1, the average is 0.125.

Base conversion 638006913

Base System Value
2 Binary 100110000001110011011010000001
3 Ternary 1122110112002221200
4 Quaternary 212001303122001
5 Quinary 2301312210123
6 Senary 143150411413
8 Octal 4601633201
10 Decimal 638006913
12 Duodecimal 159800b69
16 Hexadecimal 26073681
20 Vigesimal 9j7ah5d
36 Base36 ajupa9

Cryptographic Hash Functions

md5 9ae148d831b7bf571846ef4ab8e88f27
sha1 274086e0f82c50be2b954dbe867879d05c8735ec
sha256 4eb95bac61c5dfa5a0d8e6bada8c991cea3d01b2cac43ce383d766e371f9a11c
sha512 8f1cbef7838ffb8983585705403b66073943e3c2416ebd8eb871d762aee24bdb0255a40b17855b32822ceda2c7de5da8d9431825ec86f2a9e61c57ea45ccc4ba
ripemd-160 ca8da03924a2da11ac7070d3686b4c9596d8dc06

638006913 as geometric shapes

Circle

Radius = n
Diameter 1276013826
Circumference 4008715661.6406
Area 1.278794152189E+18

Sphere

Radius = n
Volume 1.0878393458674E+27
Surface area 5.1151766087561E+18
Circumference 4008715661.6406

Square

Length = n
Perimeter 2552027652
Area 407052821035789569
Diagonal 902278029.25239

Cube

Length = n
Surface area 2442316926214737414
Volume 2.5970251377699E+26
Space diagonal 1105060388.8962

Equilateral Triangle

Length = n
Perimeter 1914020739
Area 1.7625904184956E+17
Altitude 552530194.44809

Triangular Pyramid

Length = n
Surface area 1.7625904184956E+17
Volume 3.0606234763817E+25
Height 300759343.08413