72649281 (number)

72649281 is an odd 8-digits composite number following 72649280 and preceding 72649282. In scientific notation, it is written as 7.2649281 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 48432852 positive integers (up to 72649281) that are relatively prime to 72649281.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2649281 × 10^7
Engineering notation 7.2649281 × 10^6

Prime Factorization of 72649281

Prime Factorization 3 × 24216427

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72649281
Product of the distinct prime numbers

The prime factorization of 72649281 is 3 × 24216427. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72649281)

Multiplication

n×y
n×2 145298562
n×3 217947843
n×4 290597124
n×5 363246405

Division

n÷y
n÷2 36324640.5
n÷3 24216427
n÷3 18162320.25
n÷5 14529856.2

Exponentiation

ny
n2 5277918029816961
n3 3.8343695004314E+23
n4 2.7856418729467E+31
n5 2.0237487919307E+39

Nth Root

y√n
2√n 8523.4547573153
3√n 417.2635418655
4√n 92.322558225578
5√n 37.346186709417

Divisors of 72649281

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72649280
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72649281 can be divided by 4 positive divisors. The sum of these divisors (counting 72649281) is 1, the average is 0.25.

Base conversion 72649281

Base System Value
2 Binary 100010101001000101001000001
3 Ternary 12001200222002010
4 Quaternary 10111020221001
5 Quinary 122044234111
6 Senary 11113043133
8 Octal 425105101
10 Decimal 72649281
12 Duodecimal 203b64a9
16 Hexadecimal 4548a41
20 Vigesimal 12e1341
36 Base36 1794jl

Cryptographic Hash Functions

md5 127a4e3245fc52818c6e2a3a510101fb
sha1 f057da407a0c629d93311604973003197a8174d8
sha256 e2b55235240a1e682b65fed715b1e92f1d4848113c318df4544839f43d02c41a
sha512 7e3979820d371550d8b3e3e1e28ffc85918f04fd7d7a5df959ad5f5e171ec2d45952bc1e847b6d2b791d34d9f64b9397cb944fd225e937a8ebc4f94158baac95
ripemd-160 de7651d8dbcd61331a6ac4e5b7ea3920fe2b237b

72649281 as geometric shapes

Circle

Radius = n
Diameter 145298562
Circumference 456468894.95636
Area 1.6581068508722E+16

Sphere

Radius = n
Volume 1.6061369404939E+24
Surface area 6.6324274034888E+16
Circumference 456468894.95636

Square

Length = n
Perimeter 290597124
Area 5277918029816961
Diagonal 102741598.48685

Cube

Length = n
Surface area 31667508178901766
Volume 3.8343695004314E+23
Space diagonal 125832245.82535

Equilateral Triangle

Length = n
Perimeter 217947843
Area 2.2854055464567E+15
Altitude 62916122.912674

Triangular Pyramid

Length = n
Surface area 2.2854055464567E+15
Volume 4.5188477922165E+22
Height 34247199.495618