644733420 (number)

644733420 is an even 9-digits composite number following 644733419 and preceding 644733421. In scientific notation, it is written as 6.44733420 × 10^8. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 171719680 positive integers (up to 644733420) that are relatively prime to 644733420.

Interesting facts

Basic properties

Name

Name six hundred forty-four million seven hundred thirty-three thousand four hundred twenty

Notation

Scientific notation 6.44733420 × 10^8
Engineering notation 6.44733420 × 10^6

Prime Factorization of 644733420

Prime Factorization 2 × 2 × 15 × 881 × 12197

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 322366710
Product of the distinct prime numbers

The prime factorization of 644733420 is 2 × 2 × 15 × 881 × 12197. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 3, 97, 4, 792, 632, 3186, 6591, 20918, 18789, 888178, 903796, 97557, 7023466, 56413619, 50065811, 331194453, 406542572, 7491889301, 659769075

Basic calculations (n = 644733420)

Multiplication

n×y
n×2 1289466840
n×3 1934200260
n×4 2578933680
n×5 3223667100

Division

n÷y
n÷2 322366710
n÷3 214911140
n÷3 161183355
n÷5 128946684

Exponentiation

ny
n2 415681182864896400
n3 2.6800355065813E+26
n4 1.7279084578796E+35
n5 1.1140403294956E+44

Nth Root

y√n
2√n 25391.601367381
3√n 863.8932106098
4√n 159.34742347268
5√n 57.793106126683

Divisors of 644733420

1, 2, 4, 15, 30, 60, 881, 1762, 3524, 12197, 13215, 24394, 26430, 48788, 52860, 182955, 365910, 731820, 10745557, 21491114, 42982228, 161183355, 322366710, 644733420

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -644733419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 644733420 can be divided by 24 positive divisors. The sum of these divisors (counting 644733420) is 1, the average is 0.041666666666667.

Base conversion 644733420

Base System Value
2 Binary 100110011011011101100111101100
3 Ternary 1122221011211222120
4 Quaternary 212123131213230
5 Quinary 2310022432140
6 Senary 143550512540
8 Octal 4633354754
10 Decimal 644733420
12 Duodecimal 15bb05750
16 Hexadecimal 266dd9ec
20 Vigesimal a19bdb0
36 Base36 anuvho

Cryptographic Hash Functions

md5 a7a6649edde2b3f1bccfab1bb637083a
sha1 24088ca0410b4499387361d18754d72d3b753656
sha256 e539b3b17012cdb49bb1373c769c2fbedfee546c71abb8886ad77dc6c24d06ce
sha512 46b1767e35db40763899e7332526cb16383c16383d075c35c7b15fa84fc912a74f494c25fdcb24fe000c64d4d6b9e0cc58955818f82ad2502337cb8237d45193
ripemd-160 485b94b0551cd71679987969de500537ec205a55

644733420 as geometric shapes

Circle

Radius = n
Diameter 1289466840
Circumference 4050979551.5916
Area 1.3059009503239E+18

Sphere

Radius = n
Volume 1.1226106478447E+27
Surface area 5.2236038012955E+18
Circumference 4050979551.5916

Square

Length = n
Perimeter 2578933680
Area 415681182864896400
Diagonal 911790746.67919

Cube

Length = n
Surface area 2494087097189378400
Volume 2.6800355065813E+26
Space diagonal 1116711040.7776

Equilateral Triangle

Length = n
Perimeter 1934200260
Area 1.7999523211808E+17
Altitude 558355520.38882

Triangular Pyramid

Length = n
Surface area 1.7999523211808E+17
Volume 3.1584521342073E+25
Height 303930248.89306