91991488 (number)

91991488 is an even 8-digits composite number following 91991487 and preceding 91991489. In scientific notation, it is written as 9.1991488 × 10^7. The sum of its digits is 49. It has a total of 8 prime factors and 28 positive divisors. There are 43289600 positive integers (up to 91991488) that are relatively prime to 91991488.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.1991488 × 10^7
Engineering notation 9.1991488 × 10^6

Prime Factorization of 91991488

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 17 × 84551

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2874734
Product of the distinct prime numbers

The prime factorization of 91991488 is 2 × 2 × 2 × 2 × 2 × 2 × 17 × 84551. Since it has a total of 8 prime factors.

Most popular turbo-numbers

7, 6, 66, 8, 382, 552, 2507, 4515, 26764, 94098, 57982, 170489, 153214, 8283355, 19908498, 33331962, 686274990, 577804337, 6329964142, 866563306

Basic calculations (n = 91991488)

Multiplication

n×y
n×2 183982976
n×3 275974464
n×4 367965952
n×5 459957440

Division

n÷y
n÷2 45995744
n÷3 30663829.333333
n÷3 22997872
n÷5 18398297.6

Exponentiation

ny
n2 8462433864454144
n3 7.7847188329273E+23
n4 7.161278691026E+31
n5 6.5877668277018E+39

Nth Root

y√n
2√n 9591.2193176884
3√n 451.42182057797
4√n 97.934770728728
5√n 39.151601242765

Divisors of 91991488

1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 84551, 169102, 338204, 676408, 1352816, 1437367, 2705632, 2874734, 5411264, 5749468, 11498936, 22997872, 45995744, 91991488

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -91991487
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 91991488 can be divided by 28 positive divisors. The sum of these divisors (counting 91991488) is 1, the average is 0.035714285714286.

Base conversion 91991488

Base System Value
2 Binary 101011110111010110111000000
3 Ternary 20102002122121011
4 Quaternary 11132322313000
5 Quinary 142022211423
6 Senary 13043410304
8 Octal 536726700
10 Decimal 91991488
12 Duodecimal 26983994
16 Hexadecimal 57badc0
20 Vigesimal 18eiie8
36 Base36 1irp34

Cryptographic Hash Functions

md5 d9de2295f45a3c286e8af6c1a8b6a8fc
sha1 cc11137f2bd01d4075aa33cf2462ec27bb626916
sha256 ff393536d71d959f0a89649a5d2973e5f0fcd07528bac85df8874d2da7a2fcec
sha512 e6e892bd718ef9023b3ee9d1326f720c5f1dbcdcd6b1458828251194a334ee83495ac1b5755a8cebc9d2b4a991cae889a407683768cdd531463133e909d1398b
ripemd-160 b3f57068d9569963f22e5bed1f60013fd339385c

91991488 as geometric shapes

Circle

Radius = n
Diameter 183982976
Circumference 577999565.78719
Area 2.6585520060059E+16

Sphere

Radius = n
Volume 3.2608553994382E+24
Surface area 1.0634208024023E+17
Circumference 577999565.78719

Square

Length = n
Perimeter 367965952
Area 8462433864454144
Diagonal 130095609.95248

Cube

Length = n
Surface area 50774603186724864
Volume 7.7847188329273E+23
Space diagonal 159333931.07986

Equilateral Triangle

Length = n
Perimeter 275974464
Area 3.6643413522315E+15
Altitude 79666965.539931

Triangular Pyramid

Length = n
Surface area 3.6643413522315E+15
Volume 9.1743791273225E+22
Height 43365203.317494