639821640 (number)

639821640 is an even 9-digits composite number following 639821639 and preceding 639821641. In scientific notation, it is written as 6.39821640 × 10^8. The sum of its digits is 39. It has a total of 7 prime factors and 64 positive divisors. There are 168279552 positive integers (up to 639821640) that are relatively prime to 639821640.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million eight hundred twenty-one thousand six hundred forty

Notation

Scientific notation 6.39821640 × 10^8
Engineering notation 6.39821640 × 10^6

Prime Factorization of 639821640

Prime Factorization 2 × 2 × 2 × 5 × 3 × 73 × 73039

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 159955410
Product of the distinct prime numbers

The prime factorization of 639821640 is 2 × 2 × 2 × 5 × 3 × 73 × 73039. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 8, 30, 17, 564, 675, 1010, 576, 58865, 90123, 486776, 37782, 6176710, 8364511, 93779749, 66757808, 100248495, 30487587, 5546121740, 6432736475

Basic calculations (n = 639821640)

Multiplication

n×y
n×2 1279643280
n×3 1919464920
n×4 2559286560
n×5 3199108200

Division

n÷y
n÷2 319910820
n÷3 213273880
n÷3 159955410
n÷5 127964328

Exponentiation

ny
n2 409371731012289600
n3 2.6192489230592E+26
n4 1.67585214152E+35
n5 1.0722464655848E+44

Nth Root

y√n
2√n 25294.695886687
3√n 861.69381337245
4√n 159.04306299455
5√n 57.704779378229

Divisors of 639821640

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2920, 4380, 8760, 73039, 146078, 219117, 292156, 365195, 438234, 584312, 730390, 876468, 1095585, 1460780, 1752936, 2191170, 2921560, 4382340, 5331847, 8764680, 10663694, 15995541, 21327388, 26659235, 31991082, 42654776, 53318470, 63982164, 79977705, 106636940, 127964328, 159955410, 213273880, 319910820, 639821640

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -639821639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 639821640 can be divided by 64 positive divisors. The sum of these divisors (counting 639821640) is 1, the average is 0.015625.

Base conversion 639821640

Base System Value
2 Binary 100110001000101110011101001000
3 Ternary 1122120221022021210
4 Quaternary 212020232131020
5 Quinary 2302243243030
6 Senary 143253333120
8 Octal 4610563510
10 Decimal 639821640
12 Duodecimal 15a3371a0
16 Hexadecimal 2622e748
20 Vigesimal 9jihe20
36 Base36 akxljc

Cryptographic Hash Functions

md5 93d99543cd4bcf1f4c901ec7a3bd01d9
sha1 b87ed8cf1cd7cd55569edc39270de264446665e5
sha256 b42508825857e1fddeb40c4c03968a2374850a78c706891b77fc418defe26783
sha512 97ce4dd2ba12f01f375ce3866a3e1d4e9b46fe369c90d5af2e51c8b2a42f03d03a38246d491dd0f57c3ff83e2a002f03c18f1541a65c2f3e5ec97abc0df459cc
ripemd-160 9388908fda0c9b3d6f065c84eadfda92d349feff

639821640 as geometric shapes

Circle

Radius = n
Diameter 1279643280
Circumference 4020117927.6635
Area 1.2860792227355E+18

Sphere

Radius = n
Volume 1.0971484232808E+27
Surface area 5.1443168909422E+18
Circumference 4020117927.6635

Square

Length = n
Perimeter 2559286560
Area 409371731012289600
Diagonal 904844440.7878

Cube

Length = n
Surface area 2456230386073737600
Volume 2.6192489230592E+26
Space diagonal 1108203588.262

Equilateral Triangle

Length = n
Perimeter 1919464920
Area 1.7726315932393E+17
Altitude 554101794.13102

Triangular Pyramid

Length = n
Surface area 1.7726315932393E+17
Volume 3.0868144585179E+25
Height 301614813.59593