640945609 (number)

640945609 is an odd 9-digits composite number following 640945608 and preceding 640945610. In scientific notation, it is written as 6.40945609 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 639773316 positive integers (up to 640945609) that are relatively prime to 640945609.

Interesting facts

Basic properties

Name

Name six hundred forty million nine hundred forty-five thousand six hundred nine

Notation

Scientific notation 6.40945609 × 10^8
Engineering notation 6.40945609 × 10^6

Prime Factorization of 640945609

Prime Factorization 547 × 1171747

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 640945609
Product of the distinct prime numbers

The prime factorization of 640945609 is 547 × 1171747. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 3, 73, 5, 878, 483, 4867, 590, 5855, 99041, 216553, 406465, 5606826, 6327809, 60911649, 17610010, 239345539, 531007914, 1478025543, 1278192181

Basic calculations (n = 640945609)

Multiplication

n×y
n×2 1281891218
n×3 1922836827
n×4 2563782436
n×5 3204728045

Division

n÷y
n÷2 320472804.5
n÷3 213648536.33333
n÷3 160236402.25
n÷5 128189121.8

Exponentiation

ny
n2 410811273696380881
n3 2.6330768200339E+26
n4 1.6876590259604E+35
n5 1.0816976421786E+44

Nth Root

y√n
2√n 25316.903621889
3√n 862.19809482505
4√n 159.11286441356
5√n 57.72503904206

Divisors of 640945609

1, 547, 1171747, 640945609

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 -640945608
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 640945609 can be divided by 4 positive divisors. The sum of these divisors (counting 640945609) is 1, the average is 0.25.

Base conversion 640945609

Base System Value
2 Binary 100110001101000000110111001001
3 Ternary 1122200001102002021
4 Quaternary 212031000313021
5 Quinary 2303040224414
6 Senary 143333404441
8 Octal 4615006711
10 Decimal 640945609
12 Duodecimal 15a799721
16 Hexadecimal 26340dc9
20 Vigesimal a05i409
36 Base36 allosp

Cryptographic Hash Functions

md5 bdce3028824984f6a359ad27ddc47614
sha1 7ae67a65d7bc6987d6b3f2a765a44166c3bf8e48
sha256 ee36f4f5dedb96cab477cca1cc6b4da89b2159155e3f8dbdff0985835df58c83
sha512 ed4fa22cf7660b5e894dbf7cab643fba62e5b0a5b70627f19d92b4e6412aac409a957865a886f246bf3002cbb5c56e537d3f40faa125e3f842fa0ffb75934548
ripemd-160 24b417b5e95714c125b6ec900650aa5603cc18df

640945609 as geometric shapes

Circle

Radius = n
Diameter 1281891218
Circumference 4027180033.1701
Area 1.2906016794564E+18

Sphere

Radius = n
Volume 1.1029406392208E+27
Surface area 5.1624067178257E+18
Circumference 4027180033.1701

Square

Length = n
Perimeter 2563782436
Area 410811273696380881
Diagonal 906433972.99128

Cube

Length = n
Surface area 2464867642178285286
Volume 2.6330768200339E+26
Space diagonal 1110150359.6762

Equilateral Triangle

Length = n
Perimeter 1922836827
Area 1.7788649959105E+17
Altitude 555075179.83809

Triangular Pyramid

Length = n
Surface area 1.7788649959105E+17
Volume 3.1031107913852E+25
Height 302144657.66376