72090909 (number)

72090909 is an odd 8-digits composite number following 72090908 and preceding 72090910. In scientific notation, it is written as 7.2090909 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 43691400 positive integers (up to 72090909) that are relatively prime to 72090909.

Interesting facts

Basic properties

Name

Name seventy-two million ninety thousand nine hundred nine

Notation

Scientific notation 7.2090909 × 10^7
Engineering notation 7.2090909 × 10^6

Prime Factorization of 72090909

Prime Factorization 9 × 11 × 728191

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72090909
Product of the distinct prime numbers

The prime factorization of 72090909 is 9 × 11 × 728191. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72090909)

Multiplication

n×y
n×2 144181818
n×3 216272727
n×4 288363636
n×5 360454545

Division

n÷y
n÷2 36045454.5
n÷3 24030303
n÷3 18022727.25
n÷5 14418181.8

Exponentiation

ny
n2 5197099160446281
n3 3.7466360263971E+23
n4 2.7009839683511E+31
n5 1.9471638947286E+39

Nth Root

y√n
2√n 8490.6365485751
3√n 416.19178202639
4√n 92.144650135399
5√n 37.288601909152

Divisors of 72090909

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72090908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72090909 can be divided by 8 positive divisors. The sum of these divisors (counting 72090909) is 1, the average is 0.125.

Base conversion 72090909

Base System Value
2 Binary 100010011000000010100011101
3 Ternary 12000122121010200
4 Quaternary 10103000110131
5 Quinary 121423402114
6 Senary 11053054113
8 Octal 423002435
10 Decimal 72090909
12 Duodecimal 20187339
16 Hexadecimal 44c051d
20 Vigesimal 12ab759
36 Base36 16x5p9

Cryptographic Hash Functions

md5 51ea9b0f3cabe3f22487725c79713c18
sha1 54d3766ec95d165e4d83d1e2afb3d37f160780b5
sha256 556d8639a8576520b526ebcf0741d5363a62624f89541def83feeffd0755b789
sha512 75d1e086e6c87a7ba2079b62ae94bda17b9dd7d95bc6fc169874bf6455f497fc9d7be2352d7d8459adcf2abaed07bd72d60f2a763acb60bebc64010edebf11aa
ripemd-160 377e77b946671bb22045017cef87ed2179a05915

72090909 as geometric shapes

Circle

Radius = n
Diameter 144181818
Circumference 452960540.21002
Area 1.6327168542436E+16

Sphere

Radius = n
Volume 1.5693872288272E+24
Surface area 6.5308674169743E+16
Circumference 452960540.21002

Square

Length = n
Perimeter 288363636
Area 5197099160446281
Diagonal 101951941.2316

Cube

Length = n
Surface area 31182594962677686
Volume 3.7466360263971E+23
Space diagonal 124865117.15182

Equilateral Triangle

Length = n
Perimeter 216272727
Area 2.2504099494666E+15
Altitude 62432558.575912

Triangular Pyramid

Length = n
Surface area 2.2504099494666E+15
Volume 4.4154529015053E+22
Height 33983980.410535