72091261 (number)

72091261 is an odd 8-digits composite number following 72091260 and preceding 72091262. In scientific notation, it is written as 7.2091261 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 65249040 positive integers (up to 72091261) that are relatively prime to 72091261.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2091261 × 10^7
Engineering notation 7.2091261 × 10^6

Prime Factorization of 72091261

Prime Factorization 11 × 229 × 28619

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72091261
Product of the distinct prime numbers

The prime factorization of 72091261 is 11 × 229 × 28619. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 5, 50, 18, 257, 475, 9835, 5137, 42880, 17682, 87494, 840695, 4682360, 608275, 21894853, 30529309, 151124559, 831954817, 9440254177, 3939123824

Basic calculations (n = 72091261)

Multiplication

n×y
n×2 144182522
n×3 216273783
n×4 288365044
n×5 360456305

Division

n÷y
n÷2 36045630.5
n÷3 24030420.333333
n÷3 18022815.25
n÷5 14418252.2

Exponentiation

ny
n2 5197149912570121
n3 3.7466909080322E+23
n4 2.7010367213728E+31
n5 1.9472114325107E+39

Nth Root

y√n
2√n 8490.6572772666
3√n 416.19245940846
4√n 92.144762614413
5√n 37.28863832307

Divisors of 72091261

1, 11, 229, 2519, 28619, 314809, 6553751, 72091261

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 -72091260
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 72091261 can be divided by 8 positive divisors. The sum of these divisors (counting 72091261) is 1, the average is 0.125.

Base conversion 72091261

Base System Value
2 Binary 100010011000000011001111101
3 Ternary 12000122121121201
4 Quaternary 10103000121331
5 Quinary 121423410021
6 Senary 11053055501
8 Octal 423003175
10 Decimal 72091261
12 Duodecimal 20187591
16 Hexadecimal 44c067d
20 Vigesimal 12ab831
36 Base36 16x5z1

Cryptographic Hash Functions

md5 e4d14fd5d8f9333debda4a589dac0f36
sha1 0c187b2fbccb23f76d56c343a614a4425d8f7065
sha256 1e71c710ebc5d53fb6e2926ed65c70d8f4b0a42e854142bb49d689ffb48b8b9b
sha512 66dc972e35f42cb9584ec86ae81160d9de73d9c730b9a35df91ac8e94659933001b590d91306a5cee95576166e4f79c6be2a18e082808681fe554b3eb81c8538
ripemd-160 281f7c16c4c6415417e0c7837ab55c4844f63bf5

72091261 as geometric shapes

Circle

Radius = n
Diameter 144182522
Circumference 452962751.89125
Area 1.6327327984935E+16

Sphere

Radius = n
Volume 1.5694102175927E+24
Surface area 6.5309311939741E+16
Circumference 452962751.89125

Square

Length = n
Perimeter 288365044
Area 5197149912570121
Diagonal 101952439.03478

Cube

Length = n
Surface area 31182899475420726
Volume 3.7466909080322E+23
Space diagonal 124865726.83371

Equilateral Triangle

Length = n
Perimeter 216273783
Area 2.2504319257809E+15
Altitude 62432863.416854

Triangular Pyramid

Length = n
Surface area 2.2504319257809E+15
Volume 4.4155175801326E+22
Height 33984146.344926