638266989 (number)

638266989 is an odd 9-digits composite number following 638266988 and preceding 638266990. In scientific notation, it is written as 6.38266989 × 10^8. The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors. There are 400481216 positive integers (up to 638266989) that are relatively prime to 638266989.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million two hundred sixty-six thousand nine hundred eighty-nine

Notation

Scientific notation 6.38266989 × 10^8
Engineering notation 6.38266989 × 10^6

Prime Factorization of 638266989

Prime Factorization 51 × 12515039

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638266989
Product of the distinct prime numbers

The prime factorization of 638266989 is 51 × 12515039. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 5, 63, 89, 345, 620, 3175, 5238, 22578, 76213, 723795, 700835, 5848138, 4773024, 12854130, 69612791, 297058582, 656485108, 2359657226, 4409419926

Basic calculations (n = 638266989)

Multiplication

n×y
n×2 1276533978
n×3 1914800967
n×4 2553067956
n×5 3191334945

Division

n÷y
n÷2 319133494.5
n÷3 212755663
n÷3 159566747.25
n÷5 127653397.8

Exponentiation

ny
n2 407384749247126121
n3 2.6002023726648E+26
n4 1.6596233391914E+35
n5 1.0592827915798E+44

Nth Root

y√n
2√n 25263.946425687
3√n 860.99532723503
4√n 158.946363361
5√n 57.676709645324

Divisors of 638266989

1, 51, 12515039, 638266989

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 -638266988
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 638266989 can be divided by 4 positive divisors. The sum of these divisors (counting 638266989) is 1, the average is 0.25.

Base conversion 638266989

Base System Value
2 Binary 100110000010110010111001101101
3 Ternary 1122111000022201010
4 Quaternary 212002302321231
5 Quinary 2301344020424
6 Senary 143200135433
8 Octal 4602627155
10 Decimal 638266989
12 Duodecimal 159907579
16 Hexadecimal 260b2e6d
20 Vigesimal 9j93799
36 Base36 ak09yl

Cryptographic Hash Functions

md5 c794f3885b4c4f92d688e6f9b307cba8
sha1 26e283e5aa4615deec462ed2d741106ad31e4810
sha256 34e75c8720ca708b72b09d5d35c60d19e8a2c6dd38e5a8cfc103231142e5296a
sha512 17f7e326e6e4bb7c1114fbfe65712f2f5bd140d6000e3fce5b9d43cb161d1bbc1156a3c7312e3d4378402d09027bb39bfa2b5cd9e683794447c19d0e03ae13da
ripemd-160 cebd2ebe0c128627688c60f27683210d7ffac3e4

638266989 as geometric shapes

Circle

Radius = n
Diameter 1276533978
Circumference 4010349767.3426
Area 1.2798369354193E+18

Sphere

Radius = n
Volume 1.0891702229081E+27
Surface area 5.1193477416772E+18
Circumference 4010349767.3426

Square

Length = n
Perimeter 2553067956
Area 407384749247126121
Diagonal 902645832.25884

Cube

Length = n
Surface area 2444308495482756726
Volume 2.6002023726648E+26
Space diagonal 1105510853.742

Equilateral Triangle

Length = n
Perimeter 1914800967
Area 1.7640277098118E+17
Altitude 552755426.871

Triangular Pyramid

Length = n
Surface area 1.7640277098118E+17
Volume 3.0643678836144E+25
Height 300881944.08628