91991189 (number)

91991189 is an odd 8-digits composite number following 91991188 and preceding 91991190. In scientific notation, it is written as 9.1991189 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 91712940 positive integers (up to 91991189) that are relatively prime to 91991189.

Interesting facts

Basic properties

Name

Name ninety-one million nine hundred ninety-one thousand one hundred eighty-nine

Notation

Scientific notation 9.1991189 × 10^7
Engineering notation 9.1991189 × 10^6

Prime Factorization of 91991189

Prime Factorization 331 × 277919

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 91991189
Product of the distinct prime numbers

The prime factorization of 91991189 is 331 × 277919. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91991189)

Multiplication

n×y
n×2 183982378
n×3 275973567
n×4 367964756
n×5 459955945

Division

n÷y
n÷2 45995594.5
n÷3 30663729.666667
n÷3 22997797.25
n÷5 18398237.8

Exponentiation

ny
n2 8462378853633721
n3 7.7846429251422E+23
n4 7.1611855862427E+31
n5 6.5876597672813E+39

Nth Root

y√n
2√n 9591.2037305022
3√n 451.42133149188
4√n 97.934691149267
5√n 39.151575791836

Divisors of 91991189

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 -91991188
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 91991189 can be divided by 4 positive divisors. The sum of these divisors (counting 91991189) is 1, the average is 0.25.

Base conversion 91991189

Base System Value
2 Binary 101011110111010110010010101
3 Ternary 20102002122012002
4 Quaternary 11132322302111
5 Quinary 142022204224
6 Senary 13043405045
8 Octal 536726225
10 Decimal 91991189
12 Duodecimal 26983785
16 Hexadecimal 57bac95
20 Vigesimal 18eihj9
36 Base36 1irout

Cryptographic Hash Functions

md5 55fa3f2574d828ece89d0435c2571d83
sha1 8da810bdfca092792594776f640ed015f5f6eda0
sha256 3180246beff5b03bc372c31cac30ce3650e6e4d1d15e28a9b372b2f9427e2a13
sha512 183a96062a72384f2ad11f8800deff7de575cac137f6352623905f2319aeb1662f8585f8452210a809ebd4b653d4b9226f8a640abbf197529aaf38bdeb24fe76
ripemd-160 6c5f4752b2c2f84e62b200e83b7eef16797effa1

91991189 as geometric shapes

Circle

Radius = n
Diameter 183982378
Circumference 577997687.11478
Area 2.6585347238469E+16

Sphere

Radius = n
Volume 3.2608236032595E+24
Surface area 1.0634138895388E+17
Circumference 577997687.11478

Square

Length = n
Perimeter 367964756
Area 8462378853633721
Diagonal 130095187.10263

Cube

Length = n
Surface area 50774273121802326
Volume 7.7846429251422E+23
Space diagonal 159333413.19667

Equilateral Triangle

Length = n
Perimeter 275973567
Area 3.6643175318475E+15
Altitude 79666706.598336

Triangular Pyramid

Length = n
Surface area 3.6643175318475E+15
Volume 9.1742896691399E+22
Height 43365062.367542