72642909 (number)

72642909 is an odd 8-digits composite number following 72642908 and preceding 72642910. In scientific notation, it is written as 7.2642909 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 45879696 positive integers (up to 72642909) that are relatively prime to 72642909.

Interesting facts

Basic properties

Name

Name seventy-two million six hundred forty-two thousand nine hundred nine

Notation

Scientific notation 7.2642909 × 10^7
Engineering notation 7.2642909 × 10^6

Prime Factorization of 72642909

Prime Factorization 3 × 19 × 1274437

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72642909
Product of the distinct prime numbers

The prime factorization of 72642909 is 3 × 19 × 1274437. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72642909)

Multiplication

n×y
n×2 145285818
n×3 217928727
n×4 290571636
n×5 363214545

Division

n÷y
n÷2 36321454.5
n÷3 24214303
n÷3 18160727.25
n÷5 14528581.8

Exponentiation

ny
n2 5276992227982281
n3 3.8333606621102E+23
n4 2.7846646974185E+31
n5 2.0228614421009E+39

Nth Root

y√n
2√n 8523.0809570249
3√n 417.25134224475
4√n 92.320533777838
5√n 37.345531566661

Divisors of 72642909

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 -72642908
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 72642909 can be divided by 8 positive divisors. The sum of these divisors (counting 72642909) is 1, the average is 0.125.

Base conversion 72642909

Base System Value
2 Binary 100010101000111000101011101
3 Ternary 12001200122100010
4 Quaternary 10111013011131
5 Quinary 122044033114
6 Senary 11112553433
8 Octal 425070535
10 Decimal 72642909
12 Duodecimal 203b2879
16 Hexadecimal 454715d
20 Vigesimal 12e0759
36 Base36 178zml

Cryptographic Hash Functions

md5 c288cd74d0ff13b6daf55ac037aa89d7
sha1 11e622caa13a51b4bf9e951e63e5e22bc99ec622
sha256 d8aa116b9048073db434e0f5cc4fc6019c888b95287b34d87f055065426a3646
sha512 73c2eee29e3c4fe484f84003f776f00545fa195369c8bf625267a613d7fdd66ceb25167aeae617101b4f65d6d6980e0545848c17c7afa88c41c4dc3ae7ae4b8d
ripemd-160 25398a7ef7a38886aa4695b3e7df90dd28dd247f

72642909 as geometric shapes

Circle

Radius = n
Diameter 145285818
Circumference 456428858.49958
Area 1.657816001648E+16

Sphere

Radius = n
Volume 1.6057143592861E+24
Surface area 6.6312640065918E+16
Circumference 456428858.49958

Square

Length = n
Perimeter 290571636
Area 5276992227982281
Diagonal 102732587.11803

Cube

Length = n
Surface area 31661953367893686
Volume 3.8333606621102E+23
Space diagonal 125821209.1976

Equilateral Triangle

Length = n
Perimeter 217928727
Area 2.2850046625028E+15
Altitude 62910604.598801

Triangular Pyramid

Length = n
Surface area 2.2850046625028E+15
Volume 4.5176588648532E+22
Height 34244195.706012