638894038 (number)

638894038 is an even 9-digits composite number following 638894037 and preceding 638894039. In scientific notation, it is written as 6.38894038 × 10^8. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 302634000 positive integers (up to 638894038) that are relatively prime to 638894038.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred ninety-four thousand thirty-eight

Notation

Scientific notation 6.38894038 × 10^8
Engineering notation 6.38894038 × 10^6

Prime Factorization of 638894038

Prime Factorization 2 × 19 × 16813001

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638894038
Product of the distinct prime numbers

The prime factorization of 638894038 is 2 × 19 × 16813001. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 5, 20, 81, 734, 700, 8095, 8220, 39190, 73229, 898884, 913399, 3291159, 8606178, 15659887, 17921212, 893446422, 69912147, 6099120219, 4637191202

Basic calculations (n = 638894038)

Multiplication

n×y
n×2 1277788076
n×3 1916682114
n×4 2555576152
n×5 3194470190

Division

n÷y
n÷2 319447019
n÷3 212964679.33333
n÷3 159723509.5
n÷5 127778807.6

Exponentiation

ny
n2 408185591791945444
n3 2.6078734099338E+26
n4 1.6661547734654E+35
n5 1.0644963511523E+44

Nth Root

y√n
2√n 25276.353336666
3√n 861.27718919643
4√n 158.98538717966
5√n 57.688037794801

Divisors of 638894038

1, 2, 19, 38, 16813001, 33626002, 319447019, 638894038

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 -638894037
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 638894038 can be divided by 8 positive divisors. The sum of these divisors (counting 638894038) is 1, the average is 0.125.

Base conversion 638894038

Base System Value
2 Binary 100110000101001011111111010110
3 Ternary 1122112012011212011
4 Quaternary 212011023333112
5 Quinary 2302024102123
6 Senary 143221414434
8 Octal 4605137726
10 Decimal 638894038
12 Duodecimal 159b6a41a
16 Hexadecimal 2614bfd6
20 Vigesimal 9jd1f1i
36 Base36 akdpsm

Cryptographic Hash Functions

md5 3989f0723c9bf47fe0bfb1d2b36a57d9
sha1 08aa85a3257a83406cb24334e5a3adde6cfffa2a
sha256 5fc30d86161433c3fb7fab3fae62c732537a64d066a8634cfbb4067d51cd1613
sha512 bda78b8739daefc1cdb681af64fb62d02933cf5954097c04b2f2fe9062fd534b6928bb529c5ee25ef0c07252d7911e18bd9081b37b1cb481be8a245b5cd80c8a
ripemd-160 6273ec664abcf3c2dfa2051127f2c1c9d8026f88

638894038 as geometric shapes

Circle

Radius = n
Diameter 1277788076
Circumference 4014289632.4062
Area 1.2823528564748E+18

Sphere

Radius = n
Volume 1.0923834594853E+27
Surface area 5.1294114258991E+18
Circumference 4014289632.4062

Square

Length = n
Perimeter 2555576152
Area 408185591791945444
Diagonal 903532613.45891

Cube

Length = n
Surface area 2449113550751672664
Volume 2.6078734099338E+26
Space diagonal 1106596934.4688

Equilateral Triangle

Length = n
Perimeter 1916682114
Area 1.767495459753E+17
Altitude 553298467.23442

Triangular Pyramid

Length = n
Surface area 1.767495459753E+17
Volume 3.0734082877337E+25
Height 301177537.81964