72909984 (number)

72909984 is an even 8-digits composite number following 72909983 and preceding 72909985. In scientific notation, it is written as 7.2909984 × 10^7. The sum of its digits is 48. It has a total of 7 prime factors and 24 positive divisors. There are 20831232 positive integers (up to 72909984) that are relatively prime to 72909984.

Interesting facts

Basic properties

Name

Name seventy-two million nine hundred nine thousand nine hundred eighty-four

Notation

Scientific notation 7.2909984 × 10^7
Engineering notation 7.2909984 × 10^6

Prime Factorization of 72909984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 21 × 108497

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 4556874
Product of the distinct prime numbers

The prime factorization of 72909984 is 2 × 2 × 2 × 2 × 2 × 21 × 108497. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 7, 25, 54, 312, 20, 9428, 5877, 5438, 32490, 642656, 735547, 5530083, 5723775, 82769036, 84378396, 124351609, 560153532, 847814385, 5119187068

Basic calculations (n = 72909984)

Multiplication

n×y
n×2 145819968
n×3 218729952
n×4 291639936
n×5 364549920

Division

n÷y
n÷2 36454992
n÷3 24303328
n÷3 18227496
n÷5 14581996.8

Exponentiation

ny
n2 5315865766880256
n3 3.8757968800939E+23
n4 2.8258428851489E+31
n5 2.0603215954272E+39

Nth Root

y√n
2√n 8538.7343324406
3√n 417.76206478133
4√n 92.405272211279
5√n 37.372951784878

Divisors of 72909984

1, 2, 4, 8, 16, 21, 32, 42, 84, 168, 336, 672, 108497, 216994, 433988, 867976, 1735952, 2278437, 3471904, 4556874, 9113748, 18227496, 36454992, 72909984

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 -72909983
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 72909984 can be divided by 24 positive divisors. The sum of these divisors (counting 72909984) is 1, the average is 0.041666666666667.

Base conversion 72909984

Base System Value
2 Binary 100010110001000010010100000
3 Ternary 12002012012200210
4 Quaternary 10112020102200
5 Quinary 122131104414
6 Senary 11122414120
8 Octal 426102240
10 Decimal 72909984
12 Duodecimal 20501340
16 Hexadecimal 45884a0
20 Vigesimal 12fdej4
36 Base36 17eppc

Cryptographic Hash Functions

md5 66b6fa978815c7883cb0eed187682b07
sha1 ce07c794e5b0aff4288918269d976deefccdddb5
sha256 8c39e8b8a6f6ea3e49613c2c09c7b9cd247be2b1a4c664551e52cf663e4d4b54
sha512 23eb88a14f9f08db2bdb4b9130b1b27227d83c14fa56c338f1e84d78eaca7de74b7dbe85fb4f76d113763f8c3e244a176af03e89e04ca38e00b9a443d10a5054
ripemd-160 feeef02f4463e4394e2e9b5a52139f885935758c

72909984 as geometric shapes

Circle

Radius = n
Diameter 145819968
Circumference 458106940.2155
Area 1.67002848407E+16

Sphere

Radius = n
Volume 1.6234900007079E+24
Surface area 6.6801139362802E+16
Circumference 458106940.2155

Square

Length = n
Perimeter 291639936
Area 5315865766880256
Diagonal 103110288.20521

Cube

Length = n
Surface area 31895194601281536
Volume 3.8757968800939E+23
Space diagonal 126283796.66703

Equilateral Triangle

Length = n
Perimeter 218729952
Area 2.3018373986132E+15
Altitude 63141898.333517

Triangular Pyramid

Length = n
Surface area 2.3018373986132E+15
Volume 4.5676704273601E+22
Height 34370096.068402