644976142 (number)

644976142 is an even 9-digits composite number following 644976141 and preceding 644976143. In scientific notation, it is written as 6.44976142 × 10^8. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 309699000 positive integers (up to 644976142) that are relatively prime to 644976142.

Interesting facts

Basic properties

Name

Name six hundred forty-four million nine hundred seventy-six thousand one hundred forty-two

Notation

Scientific notation 6.44976142 × 10^8
Engineering notation 6.44976142 × 10^6

Prime Factorization of 644976142

Prime Factorization 2 × 31 × 131 × 79411

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 644976142
Product of the distinct prime numbers

The prime factorization of 644976142 is 2 × 31 × 131 × 79411. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 31, 49, 763, 949, 8788, 9969, 53579, 7142, 983635, 942026, 3413385, 3878725, 16481882, 98400772, 309026034, 782576092, 3001717996, 3012423178

Basic calculations (n = 644976142)

Multiplication

n×y
n×2 1289952284
n×3 1934928426
n×4 2579904568
n×5 3224880710

Division

n÷y
n÷2 322488071
n÷3 214992047.33333
n÷3 161244035.5
n÷5 128995228.4

Exponentiation

ny
n2 415994223749204164
n3 2.6830634952805E+26
n4 1.730511941927E+35
n5 1.116138915989E+44

Nth Root

y√n
2√n 25396.380490141
3√n 864.00160661424
4√n 159.36241868816
5√n 57.797456931514

Divisors of 644976142

1, 2, 31, 62, 131, 262, 4061, 8122, 79411, 158822, 2461741, 4923482, 10402841, 20805682, 322488071, 644976142

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 -644976141
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 644976142 can be divided by 16 positive divisors. The sum of these divisors (counting 644976142) is 1, the average is 0.0625.

Base conversion 644976142

Base System Value
2 Binary 100110011100011000111000001110
3 Ternary 1122221122011221021
4 Quaternary 212130120320032
5 Quinary 2310103214032
6 Senary 144000024354
8 Octal 4634307016
10 Decimal 644976142
12 Duodecimal 1600020ba
16 Hexadecimal 26718e0e
20 Vigesimal a1b2072
36 Base36 ao02ry

Cryptographic Hash Functions

md5 3b37ec70daebf013535916bfc09a678a
sha1 b1f343ca4cb3c0232f7e6d90638f1c1b84e86ed7
sha256 753b11ea6f156e86c8d08e24150c422e2d1ad432a583c6b9074096f54957d54e
sha512 ece9a17c4c9d12c8d595ffcdf94a143916b694246a6591a49b3fad9fb92792a475dd0868bd9a8fc36488acdf56e3dccf122e58c3d17f61df695b2d2da7d00a61
ripemd-160 3884d7b6513bb5099e4c415a7b6f04fa81be2f56

644976142 as geometric shapes

Circle

Radius = n
Diameter 1289952284
Circumference 4052504618.8958
Area 1.3068843972663E+18

Sphere

Radius = n
Volume 1.1238790087851E+27
Surface area 5.2275375890652E+18
Circumference 4052504618.8958

Square

Length = n
Perimeter 2579904568
Area 415994223749204164
Diagonal 912134007.42348

Cube

Length = n
Surface area 2495965342495224984
Volume 2.6830634952805E+26
Space diagonal 1117131447.6138

Equilateral Triangle

Length = n
Perimeter 1934928426
Area 1.801307827972E+17
Altitude 558565723.80688

Triangular Pyramid

Length = n
Surface area 1.801307827972E+17
Volume 3.1620206531115E+25
Height 304044669.14116