644148049 (number)

644148049 is an odd 9-digits composite number following 644148048 and preceding 644148050. In scientific notation, it is written as 6.44148049 × 10^8. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 640589040 positive integers (up to 644148049) that are relatively prime to 644148049.

Interesting facts

Basic properties

Name

Name six hundred forty-four million one hundred forty-eight thousand forty-nine

Notation

Scientific notation 6.44148049 × 10^8
Engineering notation 6.44148049 × 10^6

Prime Factorization of 644148049

Prime Factorization 181 × 3558829

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 644148049
Product of the distinct prime numbers

The prime factorization of 644148049 is 181 × 3558829. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 16, 46, 302, 630, 3589, 6253, 48337, 27789, 776650, 959428, 8382791, 2717040, 16730464, 62889545, 491433231, 580209570, 1077230439, 9684802585

Basic calculations (n = 644148049)

Multiplication

n×y
n×2 1288296098
n×3 1932444147
n×4 2576592196
n×5 3220740245

Division

n÷y
n÷2 322074024.5
n÷3 214716016.33333
n÷3 161037012.25
n÷5 128829609.8

Exponentiation

ny
n2 414926709030506401
n3 2.6727423009999E+26
n4 1.7216417386689E+35
n5 1.1089921670405E+44

Nth Root

y√n
2√n 25380.071887211
3√n 863.63168073311
4√n 159.31124218714
5√n 57.782607926902

Divisors of 644148049

1, 181, 3558829, 644148049

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -644148048
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 644148049 can be divided by 4 positive divisors. The sum of these divisors (counting 644148049) is 1, the average is 0.25.

Base conversion 644148049

Base System Value
2 Binary 100110011001001110101101010001
3 Ternary 1122220002010000011
4 Quaternary 212121032231101
5 Quinary 2304400214144
6 Senary 143530154521
8 Octal 4631165521
10 Decimal 644148049
12 Duodecimal 15b882a41
16 Hexadecimal 2664eb51
20 Vigesimal a15ia29
36 Base36 anibtd

Cryptographic Hash Functions

md5 737deb9c4e18f0da206a648bd2d2e1ee
sha1 6e021b6edbd7ce272153588ca381cdbb5bcec673
sha256 fb3c8b0faaf39442975033865ba7b11337dc91962b7eb28237eb49d0f221ca8d
sha512 d7b32431350f4b5968012b4f8d4276125f47c800c19349aaf85a093b83443a4cc5fd7bb7d119630cbc026eb4804115e80e5c2a0d1dc8aebfa8687db4d95b377d
ripemd-160 d1672d121b5b996372de1c690c73cb0a3e00c63f

644148049 as geometric shapes

Circle

Radius = n
Diameter 1288296098
Circumference 4047301557.1252
Area 1.3035307008684E+18

Sphere

Radius = n
Volume 1.1195556770347E+27
Surface area 5.2141228034737E+18
Circumference 4047301557.1252

Square

Length = n
Perimeter 2576592196
Area 414926709030506401
Diagonal 910962907.07197

Cube

Length = n
Surface area 2489560254183038406
Volume 2.6727423009999E+26
Space diagonal 1115697148.4644

Equilateral Triangle

Length = n
Perimeter 1932444147
Area 1.7966853536455E+17
Altitude 557848574.23218

Triangular Pyramid

Length = n
Surface area 1.7966853536455E+17
Volume 3.149857009002E+25
Height 303654302.35732