72894912 (number)

72894912 is an even 8-digits composite number following 72894911 and preceding 72894913. In scientific notation, it is written as 7.2894912 × 10^7. The sum of its digits is 42. It has a total of 10 prime factors and 112 positive divisors. There are 21852160 positive integers (up to 72894912) that are relatively prime to 72894912.

Interesting facts

Basic properties

Name

Name seventy-two million eight hundred ninety-four thousand nine hundred twelve

Notation

Scientific notation 7.2894912 × 10^7
Engineering notation 7.2894912 × 10^6

Prime Factorization of 72894912

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 23 × 17 × 971

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 2277966
Product of the distinct prime numbers

The prime factorization of 72894912 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 23 × 17 × 971. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72894912)

Multiplication

n×y
n×2 145789824
n×3 218684736
n×4 291579648
n×5 364474560

Division

n÷y
n÷2 36447456
n÷3 24298304
n÷3 18223728
n÷5 14578982.4

Exponentiation

ny
n2 5313668195487744
n3 3.8733937550728E+23
n4 2.8235069691738E+31
n5 2.0581929204931E+39

Nth Root

y√n
2√n 8537.8517204271
3√n 417.73327611427
4√n 92.400496321324
5√n 37.371406504846

Divisors of 72894912

112 divisors

τ Total Divisors 112
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72894911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0089285714285714
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 112
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72894912 can be divided by 112 positive divisors. The sum of these divisors (counting 72894912) is 1, the average is 0.0089285714285714.

Base conversion 72894912

Base System Value
2 Binary 100010110000100100111000000
3 Ternary 12002011110000120
4 Quaternary 10112010213000
5 Quinary 122130114122
6 Senary 11122220240
8 Octal 426044700
10 Decimal 72894912
12 Duodecimal 204b4680
16 Hexadecimal 45849c0
20 Vigesimal 12fbh5c
36 Base36 17ee2o

Cryptographic Hash Functions

md5 32de800ce3333a3a6705e9eb239e24f2
sha1 4f799822cd9a2cfd0917a2cbeefb79b7d8929a7e
sha256 24f6a38db3b19ba290ac078d015d371a9a09ead3a4fd630eea940330f0c03572
sha512 737451bf91cab76a11abba2a8f5253d908697b52edde5afbf316b1c0ed92d68a538351d0d39abafcf42e2c84d94603c72c166d2f809d1507aaddd227b028d08a
ripemd-160 cb5269413afb22d0ec056be1411500a477eb418e

72894912 as geometric shapes

Circle

Radius = n
Diameter 145789824
Circumference 458012240.04655
Area 1.6693380966558E+16

Sphere

Radius = n
Volume 1.622483382053E+24
Surface area 6.6773523866232E+16
Circumference 458012240.04655

Square

Length = n
Perimeter 291579648
Area 5313668195487744
Diagonal 103088973.17839

Cube

Length = n
Surface area 31882009172926464
Volume 3.8733937550728E+23
Space diagonal 126257691.19726

Equilateral Triangle

Length = n
Perimeter 218684736
Area 2.3008858222869E+15
Altitude 63128845.598631

Triangular Pyramid

Length = n
Surface area 2.3008858222869E+15
Volume 4.5648383173626E+22
Height 34362991.059464