638396979 (number)

638396979 is an odd 9-digits composite number following 638396978 and preceding 638396980. In scientific notation, it is written as 6.38396979 × 10^8. The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors. There are 366543360 positive integers (up to 638396979) that are relatively prime to 638396979.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million three hundred ninety-six thousand nine hundred seventy-nine

Notation

Scientific notation 6.38396979 × 10^8
Engineering notation 6.38396979 × 10^6

Prime Factorization of 638396979

Prime Factorization 3 × 11 × 19 × 1018177

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638396979
Product of the distinct prime numbers

The prime factorization of 638396979 is 3 × 11 × 19 × 1018177. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 32, 67, 414, 105, 7928, 229, 24982, 65212, 412698, 509366, 9349316, 3121783, 85679643, 98752828, 321201538, 907320077, 1965256105, 5251758286

Basic calculations (n = 638396979)

Multiplication

n×y
n×2 1276793958
n×3 1915190937
n×4 2553587916
n×5 3191984895

Division

n÷y
n÷2 319198489.5
n÷3 212798993
n÷3 159599244.75
n÷5 127679395.8

Exponentiation

ny
n2 407550702796326441
n3 2.601791374545E+26
n4 1.6609757534978E+35
n5 1.0603619032252E+44

Nth Root

y√n
2√n 25266.518933165
3√n 861.05377361531
4√n 158.95445553103
5√n 57.679058751551

Divisors of 638396979

1, 3, 11, 19, 33, 57, 209, 627, 1018177, 3054531, 11199947, 19345363, 33599841, 58036089, 212798993, 638396979

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 -638396978
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 638396979 can be divided by 16 positive divisors. The sum of these divisors (counting 638396979) is 1, the average is 0.0625.

Base conversion 638396979

Base System Value
2 Binary 100110000011010010101000110011
3 Ternary 1122111020221000120
4 Quaternary 212003102220303
5 Quinary 2301412200404
6 Senary 143203021323
8 Octal 4603225063
10 Decimal 638396979
12 Duodecimal 15996a843
16 Hexadecimal 260d2a33
20 Vigesimal 9j9jc8j
36 Base36 ak329f

Cryptographic Hash Functions

md5 7aedb5313e477277b1fe648e135045cb
sha1 5c8280b7cfcda509ef474974092667806724c4ca
sha256 b549a6bdce8d6104c391c42df135ef9fcf7022a054c3a5b81699aac56be5bbaa
sha512 549e27983fe17390e354f6f5f233c53345674ca11eebac8e2b54df34b3dfc754f3ce2d5a6ad893e769cd1a01b7cba9e7ef5ca6c591b0efee99e0b310ac169913
ripemd-160 2fb4e053d7bab67af89804918ed037c67aee9b49

638396979 as geometric shapes

Circle

Radius = n
Diameter 1276793958
Circumference 4011166518.6006
Area 1.2803582938703E+18

Sphere

Radius = n
Volume 1.0898358224592E+27
Surface area 5.1214331754812E+18
Circumference 4011166518.6006

Square

Length = n
Perimeter 2553587916
Area 407550702796326441
Diagonal 902829665.87981

Cube

Length = n
Surface area 2445304216777958646
Volume 2.601791374545E+26
Space diagonal 1105736003.0265

Equilateral Triangle

Length = n
Perimeter 1915190937
Area 1.7647463097591E+17
Altitude 552868001.51324

Triangular Pyramid

Length = n
Surface area 1.7647463097591E+17
Volume 3.0662405402891E+25
Height 300943221.95994