644428295 (number)

644428295 is an odd 9-digits composite number following 644428294 and preceding 644428296. In scientific notation, it is written as 6.44428295 × 10^8. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 441893664 positive integers (up to 644428295) that are relatively prime to 644428295.

Interesting facts

Basic properties

Name

Name six hundred forty-four million four hundred twenty-eight thousand two hundred ninety-five

Notation

Scientific notation 6.44428295 × 10^8
Engineering notation 6.44428295 × 10^6

Prime Factorization of 644428295

Prime Factorization 35 × 18412237

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 644428295
Product of the distinct prime numbers

The prime factorization of 644428295 is 35 × 18412237. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 7, 95, 10, 385, 247, 6044, 8521, 78907, 86658, 128632, 889663, 5586262, 6870618, 21768333, 74247050, 149579971, 324873362, 2227510104, 6656980343

Basic calculations (n = 644428295)

Multiplication

n×y
n×2 1288856590
n×3 1933284885
n×4 2577713180
n×5 3222141475

Division

n÷y
n÷2 322214147.5
n÷3 214809431.66667
n÷3 161107073.75
n÷5 128885659

Exponentiation

ny
n2 415287827396607025
n3 2.6762322654345E+26
n4 1.7246397958379E+35
n5 1.111406683121E+44

Nth Root

y√n
2√n 25385.592271996
3√n 863.75690775889
4√n 159.32856703051
5√n 57.78763488536

Divisors of 644428295

1, 35, 18412237, 644428295

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 -644428294
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 644428295 can be divided by 4 positive divisors. The sum of these divisors (counting 644428295) is 1, the average is 0.25.

Base conversion 644428295

Base System Value
2 Binary 100110011010010011001000000111
3 Ternary 1122220121100102122
4 Quaternary 212122103020013
5 Quinary 2304433201140
6 Senary 143540200155
8 Octal 4632231007
10 Decimal 644428295
12 Duodecimal 15b99905b
16 Hexadecimal 26693207
20 Vigesimal a17daef
36 Base36 anoc1z

Cryptographic Hash Functions

md5 c6bb705943bbf9d61e8f64e04e0943a2
sha1 c2e5a857ff10a90b31f37be5949ca53e3ef41cbc
sha256 12b3cfafde397cc7b45aed337af296de1c5588338133ef31e246118d0674c90b
sha512 e73c758c47557c789aab650466a49fcfb34da7c6cf3c7f5f85aca3c93da595505a884a85287a46c0319fff58a7cf8b204d775a2d92d937e2cc54d125b165d52b
ripemd-160 15c043be8ce7fbda43e3b79de0c42ee498b05c01

644428295 as geometric shapes

Circle

Radius = n
Diameter 1288856590
Circumference 4049062394.6748
Area 1.3046651876744E+18

Sphere

Radius = n
Volume 1.1210175499185E+27
Surface area 5.2186607506978E+18
Circumference 4049062394.6748

Square

Length = n
Perimeter 2577713180
Area 415287827396607025
Diagonal 911359234.76597

Cube

Length = n
Surface area 2491726964379642150
Volume 2.6762322654345E+26
Space diagonal 1116182548.775

Equilateral Triangle

Length = n
Perimeter 1933284885
Area 1.7982490420395E+17
Altitude 558091274.38749

Triangular Pyramid

Length = n
Surface area 1.7982490420395E+17
Volume 3.1539699715316E+25
Height 303786411.58866