91991369 (number)

91991369 is an odd 8-digits composite number following 91991368 and preceding 91991370. In scientific notation, it is written as 9.1991369 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 82022976 positive integers (up to 91991369) that are relatively prime to 91991369.

Interesting facts

Basic properties

Name

Name ninety-one million nine hundred ninety-one thousand three hundred sixty-nine

Notation

Scientific notation 9.1991369 × 10^7
Engineering notation 9.1991369 × 10^6

Prime Factorization of 91991369

Prime Factorization 17 × 19 × 284803

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 91991369
Product of the distinct prime numbers

The prime factorization of 91991369 is 17 × 19 × 284803. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91991369)

Multiplication

n×y
n×2 183982738
n×3 275974107
n×4 367965476
n×5 459956845

Division

n÷y
n÷2 45995684.5
n÷3 30663789.666667
n÷3 22997842.25
n÷5 18398273.8

Exponentiation

ny
n2 8462411970494161
n3 7.7846886220775E+23
n4 7.1612416358363E+31
n5 6.5877242182038E+39

Nth Root

y√n
2√n 9591.2131140956
3√n 451.4216259251
4√n 97.934739056658
5√n 39.151591113473

Divisors of 91991369

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 -91991368
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 91991369 can be divided by 8 positive divisors. The sum of these divisors (counting 91991369) is 1, the average is 0.125.

Base conversion 91991369

Base System Value
2 Binary 101011110111010110101001001
3 Ternary 20102002122102202
4 Quaternary 11132322311021
5 Quinary 142022210434
6 Senary 13043405545
8 Octal 536726511
10 Decimal 91991369
12 Duodecimal 269838b5
16 Hexadecimal 57bad49
20 Vigesimal 18eii89
36 Base36 1irozt

Cryptographic Hash Functions

md5 c6b9d1801708b0a45ba144f80e606567
sha1 4d52843512a13cb4f30e191b5d5ebaa4d4c770f6
sha256 c43c5f8aa33fde94f53a4a9b560f9cf3d00eca2ce8713de81c0372b2c774ce80
sha512 6e4bafc2218616c82d81c5f3d491219bf11ef6ce81b962b9a1d852b045b60bcdf3cca99c285b35a9cda5cb1a6e997cf19d2aeac8a79b23c846fbe357645232e8
ripemd-160 0ff580d317c99c746ebdf92f37e22f6c9131935f

91991369 as geometric shapes

Circle

Radius = n
Diameter 183982738
Circumference 577998818.08814
Area 2.6585451278155E+16

Sphere

Radius = n
Volume 3.260842744747E+24
Surface area 1.0634180511262E+17
Circumference 577998818.08814

Square

Length = n
Perimeter 367965476
Area 8462411970494161
Diagonal 130095441.66107

Cube

Length = n
Surface area 50774471822964966
Volume 7.7846886220775E+23
Space diagonal 159333724.96582

Equilateral Triangle

Length = n
Perimeter 275974107
Area 3.6643318718687E+15
Altitude 79666862.482908

Triangular Pyramid

Length = n
Surface area 3.6643318718687E+15
Volume 9.1743435234945E+22
Height 43365147.220356