640804917 (number)

640804917 is an odd 9-digits composite number following 640804916 and preceding 640804918. In scientific notation, it is written as 6.40804917 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 423210512 positive integers (up to 640804917) that are relatively prime to 640804917.

Interesting facts

Basic properties

Name

Name six hundred forty million eight hundred four thousand nine hundred seventeen

Notation

Scientific notation 6.40804917 × 10^8
Engineering notation 6.40804917 × 10^6

Prime Factorization of 640804917

Prime Factorization 3 × 107 × 1996277

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 640804917
Product of the distinct prime numbers

The prime factorization of 640804917 is 3 × 107 × 1996277. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 640804917)

Multiplication

n×y
n×2 1281609834
n×3 1922414751
n×4 2563219668
n×5 3204024585

Division

n÷y
n÷2 320402458.5
n÷3 213601639
n÷3 160201229.25
n÷5 128160983.4

Exponentiation

ny
n2 410630941651376889
n3 2.6313432648254E+26
n4 1.686177702415E+35
n5 1.0805109626433E+44

Nth Root

y√n
2√n 25314.124851553
3√n 862.13500405757
4√n 159.10413210081
5√n 57.722504610352

Divisors of 640804917

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -640804916
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 640804917 can be divided by 8 positive divisors. The sum of these divisors (counting 640804917) is 1, the average is 0.125.

Base conversion 640804917

Base System Value
2 Binary 100110001100011110100000110101
3 Ternary 1122122210021002110
4 Quaternary 212030132200311
5 Quinary 2303021224132
6 Senary 143330401233
8 Octal 4614364065
10 Decimal 640804917
12 Duodecimal 15a730219
16 Hexadecimal 2631e835
20 Vigesimal a050c5h
36 Base36 alio8l

Cryptographic Hash Functions

md5 679b93541dec7ceebbf2c18aef715795
sha1 b6aebb0d80aa0b9684e9faf1d68ca366a8bdf3c1
sha256 0edf85f2e11712bbb11f0dc35db530fa37d1a4b99c25d6a7c8265bf3e8ac87d2
sha512 03a2c4b6955f934149aeea9d9ff9dbc1665be8fa17d7588d6291535bf311b3b02fc9c2d789d982e7cf4fe5bc60fad53b47e9822dcb43ff392c1bc26f7e5e72fd
ripemd-160 867d1dd4bb90269e6aab727151a02785e8d36705

640804917 as geometric shapes

Circle

Radius = n
Diameter 1281609834
Circumference 4026296039.2628
Area 1.2900351496286E+18

Sphere

Radius = n
Volume 1.1022144893131E+27
Surface area 5.1601405985145E+18
Circumference 4026296039.2628

Square

Length = n
Perimeter 2563219668
Area 410630941651376889
Diagonal 906235004.45677

Cube

Length = n
Surface area 2463785649908261334
Volume 2.6313432648254E+26
Space diagonal 1109906673.984

Equilateral Triangle

Length = n
Perimeter 1922414751
Area 1.7780841352501E+17
Altitude 554953336.99198

Triangular Pyramid

Length = n
Surface area 1.7780841352501E+17
Volume 3.1010677769793E+25
Height 302078334.81892