91491 (number)

91491 is an odd 5-digits composite number following 91490 and preceding 91492. In scientific notation, it is written as 9.1491 × 10^4. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 60992 positive integers (up to 91491) that are relatively prime to 91491.

Interesting facts

Basic properties

Name

Name ninety-one thousand four hundred ninety-one

Notation

Scientific notation 9.1491 × 10^4
Engineering notation 9.1491 × 10^3

Prime Factorization of 91491

Prime Factorization 3 × 30497

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 91491
Product of the distinct prime numbers

The prime factorization of 91491 is 3 × 30497. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 5, 38, 68, 597, 721, 6620, 4891, 44135, 74372, 281134, 750331, 1512440, 5484243, 7613546, 16274655, 562039021, 131647736, 4267833722, 7869084651

Basic calculations (n = 91491)

Multiplication

n×y
n×2 182982
n×3 274473
n×4 365964
n×5 457455

Division

n÷y
n÷2 45745.5
n÷3 30497
n÷3 22872.75
n÷5 18298.2

Exponentiation

ny
n2 8370603081
n3 765834846483771
n4 7.0066995939647E+19
n5 6.4104995255142E+24

Nth Root

y√n
2√n 302.47479233814
3√n 45.06016643329
4√n 17.391802446502
5√n 9.823713199867

Divisors of 91491

1, 3, 30497, 91491

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 -91490
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 91491 can be divided by 4 positive divisors. The sum of these divisors (counting 91491) is 1, the average is 0.25.

Base conversion 91491

Base System Value
2 Binary 10110010101100011
3 Ternary 11122111120
4 Quaternary 112111203
5 Quinary 10411431
6 Senary 1543323
8 Octal 262543
10 Decimal 91491
12 Duodecimal 44b43
16 Hexadecimal 16563
20 Vigesimal b8eb
36 Base36 1ylf

Cryptographic Hash Functions

md5 81e42ebe6b44656990ff91adfd49b5f7
sha1 ef5d7c648247be8ac4a1a56a1ddaa88a3aebc88d
sha256 35852647bdb2082618d9cf5bcbf2f8c3ba56a98e429d92bad22c24499b6651e2
sha512 9e285127612dfbd60cf2b4df5faaccb08572e163ac931cacc4b1dc67914399f7d5c18a9ac85754464e79ac3ca30a5564bb4378dc5bb182386653f7b9a3f1f879
ripemd-160 b7f8f583eed15a4f42f366729dbeead06360728e

91491 as geometric shapes

Circle

Radius = n
Diameter 182982
Circumference 574854.90693917
Area 26297025145.386

Sphere

Radius = n
Volume 3.2079215034353E+15
Surface area 105188100581.54
Circumference 574854.90693917

Square

Length = n
Perimeter 365964
Area 8370603081
Diagonal 129387.81303508

Cube

Length = n
Surface area 50223618486
Volume 765834846483771
Space diagonal 158467.06043528

Equilateral Triangle

Length = n
Perimeter 274473
Area 3624577456.5711
Altitude 79233.530217642

Triangular Pyramid

Length = n
Surface area 3624577456.5711
Volume 90254502202939
Height 43129.271011692