639976985 (number)

639976985 is an odd 9-digits composite number following 639976984 and preceding 639976986. In scientific notation, it is written as 6.39976985 × 10^8. The sum of its digits is 62. It has a total of 4 prime factors and 16 positive divisors. There are 481383168 positive integers (up to 639976985) that are relatively prime to 639976985.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million nine hundred seventy-six thousand nine hundred eighty-five

Notation

Scientific notation 6.39976985 × 10^8
Engineering notation 6.39976985 × 10^6

Prime Factorization of 639976985

Prime Factorization 17 × 5 × 1187 × 6343

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 639976985
Product of the distinct prime numbers

The prime factorization of 639976985 is 17 × 5 × 1187 × 6343. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 21, 81, 189, 260, 8026, 371, 73500, 74254, 7072, 409635, 554084, 3497024, 36781229, 19536602, 698125195, 830301493, 8697981788, 6550300399

Basic calculations (n = 639976985)

Multiplication

n×y
n×2 1279953970
n×3 1919930955
n×4 2559907940
n×5 3199884925

Division

n÷y
n÷2 319988492.5
n÷3 213325661.66667
n÷3 159994246.25
n÷5 127995397

Exponentiation

ny
n2 409570541329690225
n3 2.6211572018499E+26
n4 1.677480283251E+35
n5 1.0735487740719E+44

Nth Root

y√n
2√n 25297.76640338
3√n 861.76354582343
4√n 159.05271580008
5√n 57.707581183589

Divisors of 639976985

1, 5, 17, 85, 1187, 5935, 6343, 20179, 31715, 100895, 107831, 539155, 7529141, 37645705, 127995397, 639976985

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 -639976984
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 639976985 can be divided by 16 positive divisors. The sum of these divisors (counting 639976985) is 1, the average is 0.0625.

Base conversion 639976985

Base System Value
2 Binary 100110001001010100011000011001
3 Ternary 1122121020012101022
4 Quaternary 212021110120121
5 Quinary 2302313230420
6 Senary 143300532225
8 Octal 4611243031
10 Decimal 639976985
12 Duodecimal 15a3b1075
16 Hexadecimal 26254619
20 Vigesimal 9jjh295
36 Base36 al0xeh

Cryptographic Hash Functions

md5 f7fb8f84e8db0d2ad81cd00f828e3999
sha1 9f5b69432b35b706d5693f94dd026c7221fd2478
sha256 74fa30fce8c193bff2cc265cb88cb4ba01848a3dcc4633e962f78fc88cfe2fdd
sha512 c629c68f1827b81d3599619d67ee8afc487a77ce76024a96a933b6450a675af79f22ac2b0882a6827d8dc3caca924a787e8642a130660650a93b83d61c947d4f
ripemd-160 ba3dcfe66dec785d84444721c7af7adbcb6520ed

639976985 as geometric shapes

Circle

Radius = n
Diameter 1279953970
Circumference 4021093989.0851
Area 1.2867038037681E+18

Sphere

Radius = n
Volume 1.0979477612314E+27
Surface area 5.1468152150726E+18
Circumference 4021093989.0851

Square

Length = n
Perimeter 2559907940
Area 409570541329690225
Diagonal 905064131.79364

Cube

Length = n
Surface area 2457423247978141350
Volume 2.6211572018499E+26
Space diagonal 1108472653.6947

Equilateral Triangle

Length = n
Perimeter 1919930955
Area 1.7734924671663E+17
Altitude 554236326.84737

Triangular Pyramid

Length = n
Surface area 1.7734924671663E+17
Volume 3.0890633866401E+25
Height 301688043.93121