72171491 (number)

72171491 is an odd 8-digits composite number following 72171490 and preceding 72171492. In scientific notation, it is written as 7.2171491 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 61861272 positive integers (up to 72171491) that are relatively prime to 72171491.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2171491 × 10^7
Engineering notation 7.2171491 × 10^6

Prime Factorization of 72171491

Prime Factorization 7 × 10310213

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72171491
Product of the distinct prime numbers

The prime factorization of 72171491 is 7 × 10310213. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72171491)

Multiplication

n×y
n×2 144342982
n×3 216514473
n×4 288685964
n×5 360857455

Division

n÷y
n÷2 36085745.5
n÷3 24057163.666667
n÷3 18042872.75
n÷5 14434298.2

Exponentiation

ny
n2 5208724113163081
n3 3.7592138545463E+23
n4 2.7130806887047E+31
n5 1.9580707850712E+39

Nth Root

y√n
2√n 8495.3805682853
3√n 416.34679499769
4√n 92.170388782327
5√n 37.296934298297

Divisors of 72171491

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 -72171490
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 72171491 can be divided by 4 positive divisors. The sum of these divisors (counting 72171491) is 1, the average is 0.25.

Base conversion 72171491

Base System Value
2 Binary 100010011010011111111100011
3 Ternary 12000210200200012
4 Quaternary 10103103333203
5 Quinary 121433441431
6 Senary 11054515135
8 Octal 423237743
10 Decimal 72171491
12 Duodecimal 20205aab
16 Hexadecimal 44d3fe3
20 Vigesimal 12b18eb
36 Base36 16yvvn

Cryptographic Hash Functions

md5 3bc3932dc4adc10cfc0e3a861da3a0dd
sha1 d3fa85eee80fb031354ef24420a9ed637a1cf5c3
sha256 a49b162e4e2358eba6fe6dfd878fa8463cdfe29b1e4ddadc6cdbcfff2e404e57
sha512 6b034b1c27a9b266994c23e0735b4a2bf2db17452aae4a1175ab0dedb2726d5a3da230a2aea1e4683d35c8df35bc109ff26184523b463d3314e939c1fbc9cd27
ripemd-160 3a74280e11ca7bf5b84b0ee021ee53013145bf31

72171491 as geometric shapes

Circle

Radius = n
Diameter 144342982
Circumference 453466851.84844
Area 1.6363689408489E+16

Sphere

Radius = n
Volume 1.5746558171621E+24
Surface area 6.5454757633957E+16
Circumference 453466851.84844

Square

Length = n
Perimeter 288685964
Area 5208724113163081
Diagonal 102065901.38889

Cube

Length = n
Surface area 31252344678978486
Volume 3.7592138545463E+23
Space diagonal 125004689.27

Equilateral Triangle

Length = n
Perimeter 216514473
Area 2.2554437016519E+15
Altitude 62502344.635

Triangular Pyramid

Length = n
Surface area 2.2554437016519E+15
Volume 4.4302760141335E+22
Height 34021967.129629