639968015 (number)

639968015 is an odd 9-digits composite number following 639968014 and preceding 639968016. In scientific notation, it is written as 6.39968015 × 10^8. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 511974408 positive integers (up to 639968015) that are relatively prime to 639968015.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million nine hundred sixty-eight thousand fifteen

Notation

Scientific notation 6.39968015 × 10^8
Engineering notation 6.39968015 × 10^6

Prime Factorization of 639968015

Prime Factorization 5 × 127993603

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 639968015
Product of the distinct prime numbers

The prime factorization of 639968015 is 5 × 127993603. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 9, 23, 64, 238, 377, 8114, 8148, 57505, 47358, 296576, 737842, 2292080, 2387415, 54122090, 74707983, 357272883, 305435754, 1107589504, 5969612805

Basic calculations (n = 639968015)

Multiplication

n×y
n×2 1279936030
n×3 1919904045
n×4 2559872060
n×5 3199840075

Division

n÷y
n÷2 319984007.5
n÷3 213322671.66667
n÷3 159992003.75
n÷5 127993603

Exponentiation

ny
n2 409559060223040225
n3 2.621046987962E+26
n4 1.6773862381078E+35
n5 1.0734735411902E+44

Nth Root

y√n
2√n 25297.58911438
3√n 861.75951960826
4√n 159.0521584713
5√n 57.707419415301

Divisors of 639968015

1, 5, 127993603, 639968015

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 -639968014
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 639968015 can be divided by 4 positive divisors. The sum of these divisors (counting 639968015) is 1, the average is 0.25.

Base conversion 639968015

Base System Value
2 Binary 100110001001010010001100001111
3 Ternary 1122121012202002002
4 Quaternary 212021102030033
5 Quinary 2302312434030
6 Senary 143300422515
8 Octal 4611221417
10 Decimal 639968015
12 Duodecimal 15a3a7a3b
16 Hexadecimal 2625230f
20 Vigesimal 9jjg00f
36 Base36 al0qhb

Cryptographic Hash Functions

md5 06f5a51ea520d9ddaad64fa73cb82657
sha1 de2a70e3989c81dc213afdc93e4e4d3953e498e3
sha256 d588d13633fc6167c5ff71a989cc118757285151b736fb8bd0f8b740496e36cc
sha512 eef2fd473a68c419680b6b59a350d2f5eb76a8b51fd2da46b6d4cefa3f40b2a83b2fc0604c7b25514b0f02f99017bf3bf4a5a84e2c856f27af674977ec5acd19
ripemd-160 cfb108659faf5a46283ff9485a31031f5b8b8069

639968015 as geometric shapes

Circle

Radius = n
Diameter 1279936030
Circumference 4021037628.9129
Area 1.2866677348078E+18

Sphere

Radius = n
Volume 1.097901594946E+27
Surface area 5.1466709392314E+18
Circumference 4021037628.9129

Square

Length = n
Perimeter 2559872060
Area 409559060223040225
Diagonal 905051446.29799

Cube

Length = n
Surface area 2457354361338241350
Volume 2.621046987962E+26
Space diagonal 1108457117.199

Equilateral Triangle

Length = n
Perimeter 1919904045
Area 1.7734427525162E+17
Altitude 554228558.5995

Triangular Pyramid

Length = n
Surface area 1.7734427525162E+17
Volume 3.0889334983276E+25
Height 301683815.43266