72191 (number)

72191 is an odd 5-digits composite number following 72190 and preceding 72192. In scientific notation, it is written as 7.2191 × 10^4. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 61872 positive integers (up to 72191) that are relatively prime to 72191.

Interesting facts

Basic properties

Name

Name seventy-two thousand one hundred ninety-one

Notation

Scientific notation 7.2191 × 10^4
Engineering notation 7.2191 × 10^3

Prime Factorization of 72191

Prime Factorization 7 × 10313

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72191
Product of the distinct prime numbers

The prime factorization of 72191 is 7 × 10313. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72191)

Multiplication

n×y
n×2 144382
n×3 216573
n×4 288764
n×5 360955

Division

n÷y
n÷2 36095.5
n÷3 24063.666666667
n÷3 18047.75
n÷5 14438.2

Exponentiation

ny
n2 5211540481
n3 376226318863871
n4 2.7160154185102E+19
n5 1.9607186907767E+24

Nth Root

y√n
2√n 268.68382906308
3√n 41.638430647553
4√n 16.391577991856
5√n 9.3690727571748

Divisors of 72191

1, 7, 10313, 72191

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 -72190
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 72191 can be divided by 4 positive divisors. The sum of these divisors (counting 72191) is 1, the average is 0.25.

Base conversion 72191

Base System Value
2 Binary 10001100111111111
3 Ternary 10200000202
4 Quaternary 101213333
5 Quinary 4302231
6 Senary 1314115
8 Octal 214777
10 Decimal 72191
12 Duodecimal 3593b
16 Hexadecimal 119ff
20 Vigesimal 909b
36 Base36 1jpb

Cryptographic Hash Functions

md5 fc8805ca7688501c002a8ce398dbc795
sha1 6063c3fe3ee81f62a8659399d68f8f16cb64a51f
sha256 359530daa9dce1f81c0bff28f7909e14b2b4509cb873fb92689f99bc2329f8bf
sha512 ca578868613a695d7e571a8ab6a5ada21144be63b8d36288e7f4fc207863f8a4f793a11aa08db8ea45753a30030e3eb9d2a12f9ff40a644df809eaf6f80632c3
ripemd-160 c92624684279870c53529328be21e77320881e6a

72191 as geometric shapes

Circle

Radius = n
Diameter 144382
Circumference 453589.4305106
Area 16372537288.995

Sphere

Radius = n
Volume 1.5759331192398E+15
Surface area 65490149155.982
Circumference 453589.4305106

Square

Length = n
Perimeter 288764
Area 5211540481
Diagonal 102093.49128128

Cube

Length = n
Surface area 31269242886
Volume 376226318863871
Space diagonal 125038.4798492

Equilateral Triangle

Length = n
Perimeter 216573
Area 2256663224.6985
Altitude 62519.239924602

Triangular Pyramid

Length = n
Surface area 2256663224.6985
Volume 44338696888249
Height 34031.163760425