91991072 (number)

91991072 is an even 8-digits composite number following 91991071 and preceding 91991073. In scientific notation, it is written as 9.1991072 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 12 positive divisors. There are 45995520 positive integers (up to 91991072) that are relatively prime to 91991072.

Interesting facts

Basic properties

Name

Name ninety-one million nine hundred ninety-one thousand seventy-two

Notation

Scientific notation 9.1991072 × 10^7
Engineering notation 9.1991072 × 10^6

Prime Factorization of 91991072

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2874721

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5749442
Product of the distinct prime numbers

The prime factorization of 91991072 is 2 × 2 × 2 × 2 × 2 × 2874721. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 4, 59, 67, 675, 367, 3323, 291, 62483, 2213, 383774, 799020, 8940498, 9845553, 90146820, 15301467, 394780623, 151506767, 8301249025, 2105664414

Basic calculations (n = 91991072)

Multiplication

n×y
n×2 183982144
n×3 275973216
n×4 367964288
n×5 459955360

Division

n÷y
n÷2 45995536
n÷3 30663690.666667
n÷3 22997768
n÷5 18398214.4

Exponentiation

ny
n2 8462357327709184
n3 7.7846132222302E+23
n4 7.1611491541833E+31
n5 6.5876178744522E+39

Nth Root

y√n
2√n 9591.1976311616
3√n 451.42114011008
4√n 97.934660009425
5√n 39.151565832759

Divisors of 91991072

1, 2, 4, 8, 16, 32, 2874721, 5749442, 11498884, 22997768, 45995536, 91991072

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -91991071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 91991072 can be divided by 12 positive divisors. The sum of these divisors (counting 91991072) is 1, the average is 0.083333333333333.

Base conversion 91991072

Base System Value
2 Binary 101011110111010110000100000
3 Ternary 20102002122000202
4 Quaternary 11132322300200
5 Quinary 142022203242
6 Senary 13043404332
8 Octal 536726040
10 Decimal 91991072
12 Duodecimal 269836a8
16 Hexadecimal 57bac20
20 Vigesimal 18eihdc
36 Base36 1irork

Cryptographic Hash Functions

md5 ca54293541a2f5c9f819ab24e61c6938
sha1 0bd750a603429aaffc01a7f186629df08e3a2d6f
sha256 a3acb6887a41b118c846f4a918f34c9c395f9ad192139154c4f40dbb572c3b12
sha512 ead434910bb2c5fe51fda6cb4186b46b5e415f4bcd85721d28d3d193641252bb67207f4c1da1864fc8daf948a0544baf75985fb25a09df92af8a25979c422d5a
ripemd-160 251cc62858ceaf3b13f9aa4873bb9bab972d5a7e

91991072 as geometric shapes

Circle

Radius = n
Diameter 183982144
Circumference 577996951.9821
Area 2.6585279612783E+16

Sphere

Radius = n
Volume 3.2608111613329E+24
Surface area 1.0634111845113E+17
Circumference 577996951.9821

Square

Length = n
Perimeter 367964288
Area 8462357327709184
Diagonal 130095021.63964

Cube

Length = n
Surface area 50774143966255104
Volume 7.7846132222302E+23
Space diagonal 159333210.54673

Equilateral Triangle

Length = n
Perimeter 275973216
Area 3.6643082108488E+15
Altitude 79666605.273363

Triangular Pyramid

Length = n
Surface area 3.6643082108488E+15
Volume 9.1742546639224E+22
Height 43365007.213213