64821440 (number)

64821440 is an even 8-digits composite number following 64821439 and preceding 64821441. In scientific notation, it is written as 6.4821440 × 10^7. The sum of its digits is 29. It has a total of 8 prime factors and 28 positive divisors. There are 25928448 positive integers (up to 64821440) that are relatively prime to 64821440.

Interesting facts

Basic properties

Name

Name sixty-four million eight hundred twenty-one thousand four hundred forty

Notation

Scientific notation 6.4821440 × 10^7
Engineering notation 6.4821440 × 10^6

Prime Factorization of 64821440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 202567

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2025670
Product of the distinct prime numbers

The prime factorization of 64821440 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 202567. Since it has a total of 8 prime factors.

Most popular turbo-numbers

6, 3, 66, 32, 766, 164, 7448, 6328, 97531, 58499, 644285, 925195, 6558039, 2298084, 98017498, 67020843, 870231461, 214418091, 2651034252, 1039906501

Basic calculations (n = 64821440)

Multiplication

n×y
n×2 129642880
n×3 194464320
n×4 259285760
n×5 324107200

Division

n÷y
n÷2 32410720
n÷3 21607146.666667
n÷3 16205360
n÷5 12964288

Exponentiation

ny
n2 4201819083673600
n3 2.723679636232E+23
n4 1.7655283611924E+31
n5 1.1444409073333E+39

Nth Root

y√n
2√n 8051.1763115709
3√n 401.70406344379
4√n 89.72834731327
5√n 36.504275625741

Divisors of 64821440

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 202567, 405134, 810268, 1012835, 1620536, 2025670, 3241072, 4051340, 6482144, 8102680, 12964288, 16205360, 32410720, 64821440

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -64821439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64821440 can be divided by 28 positive divisors. The sum of these divisors (counting 64821440) is 1, the average is 0.035714285714286.

Base conversion 64821440

Base System Value
2 Binary 11110111010001100011000000
3 Ternary 11111222021022002
4 Quaternary 3313101203000
5 Quinary 113043241230
6 Senary 10233203132
8 Octal 367214300
10 Decimal 64821440
12 Duodecimal 198604a8
16 Hexadecimal 3dd18c0
20 Vigesimal 1052dc0
36 Base36 12lcjk

Cryptographic Hash Functions

md5 11ca88e76b257d4f59e998d8b6f215ec
sha1 ee6ba09762818a4b87871b430b71ba8ad7395e7e
sha256 271d63c9876c9671736dc0638adb26e1a0ad3e6919a85d2eb2627a6f17144c74
sha512 fa812ff60cdb4878c0e8f56b6b42a5401012b69333abacccb1ce649d5b7c75c5dd47fb89ab2c004a0444c55cd6a90555f45207c7d0ec76fd385fc2cf49f4d2fd
ripemd-160 59f0f491e66c13d4ed340d05f9cef748aefa602a

64821440 as geometric shapes

Circle

Radius = n
Diameter 129642880
Circumference 407285119.39822
Area 1.3200403964982E+16

Sphere

Radius = n
Volume 1.1408922581225E+24
Surface area 5.280161585993E+16
Circumference 407285119.39822

Square

Length = n
Perimeter 259285760
Area 4201819083673600
Diagonal 91671359.580554

Cube

Length = n
Surface area 25210914502041600
Volume 2.723679636232E+23
Space diagonal 112274027.49978

Equilateral Triangle

Length = n
Perimeter 194464320
Area 1.8194410342838E+15
Altitude 56137013.749889

Triangular Pyramid

Length = n
Surface area 1.8194410342838E+15
Volume 3.2098872342656E+22
Height 30557119.860185