639725904 (number)

639725904 is an even 9-digits composite number following 639725903 and preceding 639725905. In scientific notation, it is written as 6.39725904 × 10^8. The sum of its digits is 45. It has a total of 8 prime factors and 60 positive divisors. There are 210228480 positive integers (up to 639725904) that are relatively prime to 639725904.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million seven hundred twenty-five thousand nine hundred four

Notation

Scientific notation 6.39725904 × 10^8
Engineering notation 6.39725904 × 10^6

Prime Factorization of 639725904

Prime Factorization 2 × 2 × 2 × 2 × 3 × 213 × 3 × 20857

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 26655246
Product of the distinct prime numbers

The prime factorization of 639725904 is 2 × 2 × 2 × 2 × 3 × 213 × 3 × 20857. Since it has a total of 8 prime factors.

Most popular turbo-numbers

4, 9, 62, 90, 673, 744, 5524, 3890, 19091, 18739, 993461, 630377, 432482, 4678139, 41052788, 95036147, 620320946, 200318776, 6668070313, 9404670682

Basic calculations (n = 639725904)

Multiplication

n×y
n×2 1279451808
n×3 1919177712
n×4 2558903616
n×5 3198629520

Division

n÷y
n÷2 319862952
n÷3 213241968
n÷3 159931476
n÷5 127945180.8

Exponentiation

ny
n2 409249232248617216
n3 2.6180733506155E+26
n4 1.6748493409608E+35
n5 1.07144450871E+44

Nth Root

y√n
2√n 25292.80340334
3√n 861.65083304342
4√n 159.03711328913
5√n 57.703052410872

Divisors of 639725904

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 213, 426, 639, 852, 1278, 1704, 1917, 2556, 3408, 3834, 5112, 7668, 10224, 15336, 20857, 30672, 41714, 62571, 83428, 125142, 166856, 187713, 250284, 333712, 375426, 500568, 750852, 1001136, 1501704, 3003408, 4442541, 8885082, 13327623, 17770164, 26655246, 35540328, 39982869, 53310492, 71080656, 79965738, 106620984, 159931476, 213241968, 319862952, 639725904

60 divisors

τ Total Divisors 60
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -639725903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.016666666666667
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 60
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 639725904 can be divided by 60 positive divisors. The sum of these divisors (counting 639725904) is 1, the average is 0.016666666666667.

Base conversion 639725904

Base System Value
2 Binary 100110001000010111000101010000
3 Ternary 1122120202102222000
4 Quaternary 212020113011100
5 Quinary 2302232212104
6 Senary 143251314000
8 Octal 4610270520
10 Decimal 639725904
12 Duodecimal 15a2ab900
16 Hexadecimal 26217150
20 Vigesimal 9ji5ef4
36 Base36 akvjo0

Cryptographic Hash Functions

md5 7ee87fb8c5b249abf963f9eccfacba96
sha1 2a96ed12eb784cdaca19d51001915bcca817e992
sha256 2a2216001e2496a4eed66f73d10371ee7949a7597b3bd822b39f623d24b4e366
sha512 49903915e12ad2e4e413b1676396da9935c3e28a1edd9be85ac2fb06af527cb783833697f223017863ebb6c6b7e20acda4824d70d63f753b973ba67372c75284
ripemd-160 289b3b3cdb396223c406affec3454d5fbb0c1f34

639725904 as geometric shapes

Circle

Radius = n
Diameter 1279451808
Circumference 4019516400.635
Area 1.2856943815195E+18

Sphere

Radius = n
Volume 1.0966560006471E+27
Surface area 5.1427775260781E+18
Circumference 4019516400.635

Square

Length = n
Perimeter 2558903616
Area 409249232248617216
Diagonal 904709049.63819

Cube

Length = n
Surface area 2455495393491703296
Volume 2.6180733506155E+26
Space diagonal 1108037768.6459

Equilateral Triangle

Length = n
Perimeter 1919177712
Area 1.7721011580329E+17
Altitude 554018884.32297

Triangular Pyramid

Length = n
Surface area 1.7721011580329E+17
Volume 3.0854290331067E+25
Height 301569683.21273