72991009 (number)

72991009 is an odd 8-digits composite number following 72991008 and preceding 72991010. In scientific notation, it is written as 7.2991009 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 57415680 positive integers (up to 72991009) that are relatively prime to 72991009.

Interesting facts

Basic properties

Name

Name seventy-two million nine hundred ninety-one thousand nine

Notation

Scientific notation 7.2991009 × 10^7
Engineering notation 7.2991009 × 10^6

Prime Factorization of 72991009

Prime Factorization 7 × 13 × 179 × 4481

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72991009
Product of the distinct prime numbers

The prime factorization of 72991009 is 7 × 13 × 179 × 4481. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72991009)

Multiplication

n×y
n×2 145982018
n×3 218973027
n×4 291964036
n×5 364955045

Division

n÷y
n÷2 36495504.5
n÷3 24330336.333333
n÷3 18247752.25
n÷5 14598201.8

Exponentiation

ny
n2 5327687394838081
n3 3.8887327858581E+23
n4 2.8384252977117E+31
n5 2.071795264511E+39

Nth Root

y√n
2√n 8543.4775706383
3√n 417.91676074245
4√n 92.43093405694
5√n 37.381254620996

Divisors of 72991009

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72991008
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72991009 can be divided by 16 positive divisors. The sum of these divisors (counting 72991009) is 1, the average is 0.0625.

Base conversion 72991009

Base System Value
2 Binary 100010110011100000100100001
3 Ternary 12002100022211201
4 Quaternary 10112130010201
5 Quinary 122141203014
6 Senary 11124241201
8 Octal 426340441
10 Decimal 72991009
12 Duodecimal 20540201
16 Hexadecimal 459c121
20 Vigesimal 12g3ha9
36 Base36 17gg81

Cryptographic Hash Functions

md5 011d8d489be0cd849372588219706d71
sha1 a38cfc92a24817d1daccbe804f8017f1f79fdf79
sha256 0b34e2505de7d464b39bfcfb5777452684bef2dc872d77fbff4da9e0a79bc48e
sha512 ac6b67d4f19a1869428caaf56e6a0e2fc40569a40eebb8e299492d003acf13a9e6e879870c0c6a50697cdcaf9c5321213a5c51145391c93d28c53656941a8082
ripemd-160 2144a8b893319e967e41adddb1e89c8533abb5d5

72991009 as geometric shapes

Circle

Radius = n
Diameter 145982018
Circumference 458616035.30501
Area 1.6737423580246E+16

Sphere

Radius = n
Volume 1.6289085802434E+24
Surface area 6.6949694320985E+16
Circumference 458616035.30501

Square

Length = n
Perimeter 291964036
Area 5327687394838081
Diagonal 103224874.8591

Cube

Length = n
Surface area 31966124369028486
Volume 3.8887327858581E+23
Space diagonal 126424136.08372

Equilateral Triangle

Length = n
Perimeter 218973027
Area 2.306956313676E+15
Altitude 63212068.041859

Triangular Pyramid

Length = n
Surface area 2.306956313676E+15
Volume 4.5829155385046E+22
Height 34408291.619699