640804538 (number)

640804538 is an even 9-digits composite number following 640804537 and preceding 640804539. In scientific notation, it is written as 6.40804538 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 291143760 positive integers (up to 640804538) that are relatively prime to 640804538.

Interesting facts

Basic properties

Name

Name six hundred forty million eight hundred four thousand five hundred thirty-eight

Notation

Scientific notation 6.40804538 × 10^8
Engineering notation 6.40804538 × 10^6

Prime Factorization of 640804538

Prime Factorization 2 × 11 × 2837 × 10267

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 640804538
Product of the distinct prime numbers

The prime factorization of 640804538 is 2 × 11 × 2837 × 10267. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 56, 82, 640, 381, 9807, 9510, 7460, 42077, 530840, 389198, 785605, 9365787, 22693073, 16648258, 512567875, 878220768, 4289042921, 8630594230

Basic calculations (n = 640804538)

Multiplication

n×y
n×2 1281609076
n×3 1922413614
n×4 2563218152
n×5 3204022690

Division

n÷y
n÷2 320402269
n÷3 213601512.66667
n÷3 160201134.5
n÷5 128160907.6

Exponentiation

ny
n2 410630455921393444
n3 2.6313385959544E+26
n4 1.6861737133021E+35
n5 1.0805077673403E+44

Nth Root

y√n
2√n 25314.117365612
3√n 862.13483408944
4√n 159.10410857552
5√n 57.722497782429

Divisors of 640804538

1, 2, 11, 22, 2837, 5674, 10267, 20534, 31207, 62414, 112937, 225874, 29127479, 58254958, 320402269, 640804538

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 -640804537
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 640804538 can be divided by 16 positive divisors. The sum of these divisors (counting 640804538) is 1, the average is 0.0625.

Base conversion 640804538

Base System Value
2 Binary 100110001100011110011010111010
3 Ternary 1122122210020120102
4 Quaternary 212030132122322
5 Quinary 2303021221123
6 Senary 143330355402
8 Octal 4614363272
10 Decimal 640804538
12 Duodecimal 15a72bb62
16 Hexadecimal 2631e6ba
20 Vigesimal a050b6i
36 Base36 aliny2

Cryptographic Hash Functions

md5 eb65fa15a231968f44687e21f280708e
sha1 6a7304efedba4e819a46675c57fc54a39919ad54
sha256 27a4698b98c1f562b61412ca46860ed9a0a06148509d51b87711eaa643ce016a
sha512 c382bdc6dc256adfc4d6d4549c54a2193a13f873d104695816476f1736dcf3d503806e1a7095f5202a00d675a71d5a3ad096bbfdeedb3b1222ca57b7833223ab
ripemd-160 01343e601805501fc8eefa02dab02f3e590df233

640804538 as geometric shapes

Circle

Radius = n
Diameter 1281609076
Circumference 4026293657.9356
Area 1.2900336236629E+18

Sphere

Radius = n
Volume 1.102212533621E+27
Surface area 5.1601344946515E+18
Circumference 4026293657.9356

Square

Length = n
Perimeter 2563218152
Area 410630455921393444
Diagonal 906234468.46983

Cube

Length = n
Surface area 2463782735528360664
Volume 2.6313385959544E+26
Space diagonal 1109906017.5367

Equilateral Triangle

Length = n
Perimeter 1922413614
Area 1.7780820319776E+17
Altitude 554953008.76835

Triangular Pyramid

Length = n
Surface area 1.7780820319776E+17
Volume 3.1010622746621E+25
Height 302078156.15661