91788081 (number)

91788081 is an odd 8-digits composite number following 91788080 and preceding 91788082. In scientific notation, it is written as 9.1788081 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 47682000 positive integers (up to 91788081) that are relatively prime to 91788081.

Interesting facts

Basic properties

Name

Name ninety-one million seven hundred eighty-eight thousand eighty-one

Notation

Scientific notation 9.1788081 × 10^7
Engineering notation 9.1788081 × 10^6

Prime Factorization of 91788081

Prime Factorization 3 × 7 × 11 × 397351

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 91788081
Product of the distinct prime numbers

The prime factorization of 91788081 is 3 × 7 × 11 × 397351. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 18, 52, 454, 786, 9517, 8380, 20134, 35006, 905894, 844424, 9386221, 741631, 94682745, 43156732, 741504882, 269031675, 9509895236, 2455220730

Basic calculations (n = 91788081)

Multiplication

n×y
n×2 183576162
n×3 275364243
n×4 367152324
n×5 458940405

Division

n÷y
n÷2 45894040.5
n÷3 30596027
n÷3 22947020.25
n÷5 18357616.2

Exponentiation

ny
n2 8425051813662561
n3 7.7331933830166E+23
n4 7.0981498062899E+31
n5 6.5152554936987E+39

Nth Root

y√n
2√n 9580.6096361349
3√n 451.0888545569
4√n 97.880588658502
5√n 39.134271894431

Divisors of 91788081

1, 3, 7, 11, 21, 33, 77, 231, 397351, 1192053, 2781457, 4370861, 8344371, 13112583, 30596027, 91788081

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -91788080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 91788081 can be divided by 16 positive divisors. The sum of these divisors (counting 91788081) is 1, the average is 0.0625.

Base conversion 91788081

Base System Value
2 Binary 101011110001001001100110001
3 Ternary 20101201022120120
4 Quaternary 11132021030301
5 Quinary 141444204311
6 Senary 13035200453
8 Octal 536111461
10 Decimal 91788081
12 Duodecimal 268a6129
16 Hexadecimal 5789331
20 Vigesimal 18dda41
36 Base36 1inc4x

Cryptographic Hash Functions

md5 dc2f0d8d87398e15d18f61d6e7d4afc6
sha1 8d74c46910719af57a5e2a79d8903b198894a903
sha256 feeac27f87649c632e8dd6f8d28a42e999b339bd62290c6f58fc4e5c92468f30
sha512 35b39ec929aad4c2445eafb101ea41cd78865e7e6da2171576a0eb6d235b4465a84a17a647598a49a5d1440c71c137de1acb6f3015951242801e606308bbb385
ripemd-160 aacd53147f2a59d6d4ed38396ad62dff6eec939c

91788081 as geometric shapes

Circle

Radius = n
Diameter 183576162
Circumference 576721521.91341
Area 2.6468080883916E+16

Sphere

Radius = n
Volume 3.2392724694499E+24
Surface area 1.0587232353566E+17
Circumference 576721521.91341

Square

Length = n
Perimeter 367152324
Area 8425051813662561
Diagonal 129807949.0144

Cube

Length = n
Surface area 50550310881975366
Volume 7.7331933830166E+23
Space diagonal 158981619.82125

Equilateral Triangle

Length = n
Perimeter 275364243
Area 3.648154449416E+15
Altitude 79490809.910624

Triangular Pyramid

Length = n
Surface area 3.648154449416E+15
Volume 9.1136558022632E+22
Height 43269316.338133