638993867 (number)

638993867 is an odd 9-digits prime number following 638993866 and preceding 638993868. In scientific notation, it is written as 6.38993867 × 10^8. The sum of its digits is 59. It has a total of 1 prime factors and 2 positive divisors. There are 638993866 positive integers (up to 638993867) that are relatively prime to 638993867.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-three thousand eight hundred sixty-seven

Notation

Scientific notation 6.38993867 × 10^8
Engineering notation 6.38993867 × 10^6

Prime Factorization of 638993867

Prime Factorization 638993867

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 638993867
Product of the distinct prime numbers

The prime factorization of 638993867 is 638993867. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 10, 13, 87, 963, 764, 6823, 7483, 52344, 57983, 193918, 841087, 1897122, 6595274, 68319292, 48576599, 106525820, 27748637, 6142449212, 2711832745

Basic calculations (n = 638993867)

Multiplication

n×y
n×2 1277987734
n×3 1916981601
n×4 2555975468
n×5 3194969335

Division

n÷y
n÷2 319496933.5
n÷3 212997955.66667
n÷3 159748466.75
n÷5 127798773.4

Exponentiation

ny
n2 408313162063613689
n3 2.6090960637403E+26
n4 1.6671963831439E+35
n5 1.0653282639135E+44

Nth Root

y√n
2√n 25278.328010373
3√n 861.32204585892
4√n 158.99159729487
5√n 57.689840465941

Divisors of 638993867

1, 638993867

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 638993868
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 319496934
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 25278.328030153
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999968701
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638993867 can be divided by 2 positive divisors. The sum of these divisors (counting 638993867) is 638993868, the average is 319496934.

Base conversion 638993867

Base System Value
2 Binary 100110000101100100010111001011
3 Ternary 1122112101020210112
4 Quaternary 212011210113023
5 Quinary 2302040300432
6 Senary 143223504535
8 Octal 4605442713
10 Decimal 638993867
12 Duodecimal 159bb814b
16 Hexadecimal 261645cb
20 Vigesimal 9jde4d7
36 Base36 akfutn

Cryptographic Hash Functions

md5 f4fc18af6b5ba4e297ccfe18af897ef9
sha1 76dbe2cbd6a8cb54a11ba42a0cb3c14334d315cf
sha256 690baaa19e6cdd499013bae41e820512d4a327aba217883f6c434a845a8c3f20
sha512 fba9cdafa756f4ea9292407a55be0f3f78d1eb07764bc6fd01ed5a716e62f39362d5262043aa8adbb20429ef99516b9fbc332db8dbd93b7f29473146f1eb9bd4
ripemd-160 001a2b1374facbd970ccc23e37277e5c79289339

638993867 as geometric shapes

Circle

Radius = n
Diameter 1277987734
Circumference 4014916876.5123
Area 1.2827536303031E+18

Sphere

Radius = n
Volume 1.0928956035142E+27
Surface area 5.1310145212123E+18
Circumference 4014916876.5123

Square

Length = n
Perimeter 2555975468
Area 408313162063613689
Diagonal 903673792.98463

Cube

Length = n
Surface area 2449878972381682134
Volume 2.6090960637403E+26
Space diagonal 1106769843.3689

Equilateral Triangle

Length = n
Perimeter 1916981601
Area 1.7680478552332E+17
Altitude 553384921.68445

Triangular Pyramid

Length = n
Surface area 1.7680478552332E+17
Volume 3.0748491990631E+25
Height 301224597.66154