640912 (number)

640912 is an even 6-digits composite number following 640911 and preceding 640913. In scientific notation, it is written as 6.40912 × 10^5. The sum of its digits is 22. It has a total of 6 prime factors and 20 positive divisors. There are 312320 positive integers (up to 640912) that are relatively prime to 640912.

Interesting facts

Basic properties

Name

Name six hundred forty thousand nine hundred twelve

Notation

Scientific notation 6.40912 × 10^5
Engineering notation 6.40912 × 10^3

Prime Factorization of 640912

Prime Factorization 2 × 2 × 2 × 2 × 41 × 977

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 80114
Product of the distinct prime numbers

The prime factorization of 640912 is 2 × 2 × 2 × 2 × 41 × 977. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 640912)

Multiplication

n×y
n×2 1281824
n×3 1922736
n×4 2563648
n×5 3204560

Division

n÷y
n÷2 320456
n÷3 213637.33333333
n÷3 160228
n÷5 128182.4

Exponentiation

ny
n2 410768191744
n3 263266263307030528
n4 1.6873050734864E+23
n5 1.0814140692583E+29

Nth Root

y√n
2√n 800.56979708205
3√n 86.218302431991
4√n 28.294342139058
5√n 14.499722164839

Divisors of 640912

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -640911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 640912 can be divided by 20 positive divisors. The sum of these divisors (counting 640912) is 1, the average is 0.05.

Base conversion 640912

Base System Value
2 Binary 10011100011110010000
3 Ternary 1012120011111
4 Quaternary 2130132100
5 Quinary 131002122
6 Senary 21423104
8 Octal 2343620
10 Decimal 640912
12 Duodecimal 26aa94
16 Hexadecimal 9c790
20 Vigesimal 4025c
36 Base36 dqj4

Cryptographic Hash Functions

md5 f731b809ba635ebf72a7ac6876b52082
sha1 fc226f408d1bdb024be67a028ae1f569902b51df
sha256 b8cc4d5243b719f23f01e1265dfee8a3583407ecf7c6cd5ae5712c6a39703b4f
sha512 a42adfa18c9c348335ce8cc5f5ec5e87ba7a562cfa801b5bb0f5612c5cd3d535abcef77d12595e23f0a05ad58a48b298769582cc5c86aa82ed89f15a8c30d7f2
ripemd-160 05c7c97efe958a6d72566c7352cbbc03cc1e2453

640912 as geometric shapes

Circle

Radius = n
Diameter 1281824
Circumference 4026968.8615951
Area 1290466333511.3

Sphere

Radius = n
Volume 1.1027671449912E+18
Surface area 5161865334045.3
Circumference 4026968.8615951

Square

Length = n
Perimeter 2563648
Area 410768191744
Diagonal 906386.44268767

Cube

Length = n
Surface area 2464609150464
Volume 263266263307030528
Space diagonal 1110092.1471806

Equilateral Triangle

Length = n
Perimeter 1922736
Area 177867844558.45
Altitude 555046.07359029

Triangular Pyramid

Length = n
Surface area 177867844558.45
Volume 3.1026226673674E+16
Height 302128.81422922