642745904 (number)

642745904 is an even 9-digits composite number following 642745903 and preceding 642745905. In scientific notation, it is written as 6.42745904 × 10^8. The sum of its digits is 41. It has a total of 5 prime factors and 10 positive divisors. There are 321372944 positive integers (up to 642745904) that are relatively prime to 642745904.

Interesting facts

Basic properties

Name

Name six hundred forty-two million seven hundred forty-five thousand nine hundred four

Notation

Scientific notation 6.42745904 × 10^8
Engineering notation 6.42745904 × 10^6

Prime Factorization of 642745904

Prime Factorization 2 × 2 × 2 × 2 × 40171619

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 80343238
Product of the distinct prime numbers

The prime factorization of 642745904 is 2 × 2 × 2 × 2 × 40171619. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 6, 42, 40, 912, 811, 132, 4478, 54313, 11899, 768595, 609042, 1302303, 8024056, 85502678, 49643136, 426212074, 920624056, 6247985250, 4098800881

Basic calculations (n = 642745904)

Multiplication

n×y
n×2 1285491808
n×3 1928237712
n×4 2570983616
n×5 3213729520

Division

n÷y
n÷2 321372952
n÷3 214248634.66667
n÷3 160686476
n÷5 128549180.8

Exponentiation

ny
n2 413122297108777216
n3 2.6553266431774E+26
n4 1.7067003236843E+35
n5 1.0969746424036E+44

Nth Root

y√n
2√n 25352.433887104
3√n 863.00459066075
4√n 159.22447640707
5√n 57.757430413522

Divisors of 642745904

1, 2, 4, 8, 16, 40171619, 80343238, 160686476, 321372952, 642745904

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642745903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642745904 can be divided by 10 positive divisors. The sum of these divisors (counting 642745904) is 1, the average is 0.1.

Base conversion 642745904

Base System Value
2 Binary 100110010011111000011000110000
3 Ternary 1122210102212121212
4 Quaternary 212103320120300
5 Quinary 2304020332104
6 Senary 143440135252
8 Octal 4623703060
10 Decimal 642745904
12 Duodecimal 15b307528
16 Hexadecimal 264f8630
20 Vigesimal a0h34f4
36 Base36 amo9ww

Cryptographic Hash Functions

md5 a96d08930e98ce7d5981178aa5728c98
sha1 a79290e2990550aa4a5036214aaf6bda2684545d
sha256 66ba071054f46acd04c61822facf99d6214e8cab8efb50f24bd77a673a1a29e4
sha512 fbf8a654dcb2155a4b66964552efdea7673f972b2d2c6587b8ffe1c534b5a7a5f702e1a68567b09fd9dfaf6178ca3efaccc0e851e3692b6662193d83914ef639
ripemd-160 7e8a07093f621077460b0c35b30c61ad6c01eb4f

642745904 as geometric shapes

Circle

Radius = n
Diameter 1285491808
Circumference 4038491620.2627
Area 1.2978619736311E+18

Sphere

Radius = n
Volume 1.112260623345E+27
Surface area 5.1914478945243E+18
Circumference 4038491620.2627

Square

Length = n
Perimeter 2570983616
Area 413122297108777216
Diagonal 908979974.59656

Cube

Length = n
Surface area 2478733782652663296
Volume 2.6553266431774E+26
Space diagonal 1113268562.0848

Equilateral Triangle

Length = n
Perimeter 1928237712
Area 1.7888720208299E+17
Altitude 556634281.04239

Triangular Pyramid

Length = n
Surface area 1.7888720208299E+17
Volume 3.1293324594267E+25
Height 302993324.86552