72904909 (number)

72904909 is an odd 8-digits composite number following 72904908 and preceding 72904910. In scientific notation, it is written as 7.2904909 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 32 positive divisors. There are 54673920 positive integers (up to 72904909) that are relatively prime to 72904909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2904909 × 10^7
Engineering notation 7.2904909 × 10^6

Prime Factorization of 72904909

Prime Factorization 7 × 11 × 43 × 227 × 97

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 72904909
Product of the distinct prime numbers

The prime factorization of 72904909 is 7 × 11 × 43 × 227 × 97. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 1, 74, 64, 980, 277, 2145, 9097, 38608, 7998, 995949, 681832, 2801370, 9682866, 14669667, 19869595, 674624242, 957400447, 8796437069, 9097392826

Basic calculations (n = 72904909)

Multiplication

n×y
n×2 145809818
n×3 218714727
n×4 291619636
n×5 364524545

Division

n÷y
n÷2 36452454.5
n÷3 24301636.333333
n÷3 18226227.25
n÷5 14580981.8

Exponentiation

ny
n2 5315125756298281
n3 3.8749875958648E+23
n4 2.8250561805265E+31
n5 2.0596046376117E+39

Nth Root

y√n
2√n 8538.4371520788
3√n 417.75237158818
4√n 92.403664170199
5√n 37.37243149122

Divisors of 72904909

1, 7, 11, 43, 77, 97, 227, 301, 473, 679, 1067, 1589, 2497, 3311, 4171, 7469, 9761, 17479, 22019, 29197, 45881, 68327, 107371, 154133, 242209, 321167, 751597, 946817, 1695463, 6627719, 10414987, 72904909

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72904908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72904909 can be divided by 32 positive divisors. The sum of these divisors (counting 72904909) is 1, the average is 0.03125.

Base conversion 72904909

Base System Value
2 Binary 100010110000111000011001101
3 Ternary 12002011221201211
4 Quaternary 10112013003031
5 Quinary 122130424114
6 Senary 11122334421
8 Octal 426070315
10 Decimal 72904909
12 Duodecimal 204ba411
16 Hexadecimal 45870cd
20 Vigesimal 12fd259
36 Base36 17elsd

Cryptographic Hash Functions

md5 9e22a67ff36e2bf19d286abd147d34c0
sha1 cabbd81321d791ea8b98dca1f8cdfa7f5a82207b
sha256 607956397cd9c61a4cb07506b85e07cdf17c75c2e952edc5bf1db2463a3612b0
sha512 5998af9ad512d4af627252057eea4d48be5d2b57aa78b1db7af440774b19272b2c165767dad3445ec8d51c63948eb1c7d773c88c8f79a5bbf3c6591f49544a8d
ripemd-160 fdc6d5a107476943df612e0fec168091bd132559

72904909 as geometric shapes

Circle

Radius = n
Diameter 145809818
Circumference 458075053.05006
Area 1.6697960028893E+16

Sphere

Radius = n
Volume 1.6231510085227E+24
Surface area 6.679184011557E+16
Circumference 458075053.05006

Square

Length = n
Perimeter 291619636
Area 5315125756298281
Diagonal 103103111.07138

Cube

Length = n
Surface area 31890754537789686
Volume 3.8749875958648E+23
Space diagonal 126275006.50919

Equilateral Triangle

Length = n
Perimeter 218714727
Area 2.3015169646316E+15
Altitude 63137503.254593

Triangular Pyramid

Length = n
Surface area 2.3015169646316E+15
Volume 4.5667166767496E+22
Height 34367703.690459