91991393 (number)

91991393 is an odd 8-digits composite number following 91991392 and preceding 91991394. In scientific notation, it is written as 9.1991393 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 81986688 positive integers (up to 91991393) that are relatively prime to 91991393.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.1991393 × 10^7
Engineering notation 9.1991393 × 10^6

Prime Factorization of 91991393

Prime Factorization 29 × 13 × 244009

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 91991393
Product of the distinct prime numbers

The prime factorization of 91991393 is 29 × 13 × 244009. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 7, 87, 22, 72, 60, 9533, 6878, 74075, 95190, 871078, 75596, 173840, 4417055, 79150663, 15199700, 733345721, 71114570, 4762816110, 7627963762

Basic calculations (n = 91991393)

Multiplication

n×y
n×2 183982786
n×3 275974179
n×4 367965572
n×5 459956965

Division

n÷y
n÷2 45995696.5
n÷3 30663797.666667
n÷3 22997848.25
n÷5 18398278.6

Exponentiation

ny
n2 8462416386080449
n3 7.7846947150157E+23
n4 7.1612491091403E+31
n5 6.5877328116982E+39

Nth Root

y√n
2√n 9591.2143652407
3√n 451.42166518284
4√n 97.934745444305
5√n 39.151593156357

Divisors of 91991393

1, 13, 29, 377, 244009, 3172117, 7076261, 91991393

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -91991392
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 91991393 can be divided by 8 positive divisors. The sum of these divisors (counting 91991393) is 1, the average is 0.125.

Base conversion 91991393

Base System Value
2 Binary 101011110111010110101100001
3 Ternary 20102002122110122
4 Quaternary 11132322311201
5 Quinary 142022211033
6 Senary 13043410025
8 Octal 536726541
10 Decimal 91991393
12 Duodecimal 26983915
16 Hexadecimal 57bad61
20 Vigesimal 18eii9d
36 Base36 1irp0h

Cryptographic Hash Functions

md5 ead027f88d5ed2f879baf875266627e8
sha1 bc705002c61de32bd43f25b3234b577610476c4e
sha256 fb9866a462da6e122a301d840b59d390c94dea7a0fd23a51d221918ed9838e76
sha512 b416614cc5bb69d1c0a326be33ad4230625566c4ff1b3be6b89c39114f82f561c76c6dc6538af031c39c1676b5b6e223315c3b628ea1c479d9ede5d251be23a4
ripemd-160 01512e9fc74639862b2578bdf1a14350f44856b7

91991393 as geometric shapes

Circle

Radius = n
Diameter 183982786
Circumference 577998968.88458
Area 2.6585465150128E+16

Sphere

Radius = n
Volume 3.260845296951E+24
Surface area 1.0634186060051E+17
Circumference 577998968.88458

Square

Length = n
Perimeter 367965572
Area 8462416386080449
Diagonal 130095475.60219

Cube

Length = n
Surface area 50774498316482694
Volume 7.7846947150157E+23
Space diagonal 159333766.53504

Equilateral Triangle

Length = n
Perimeter 275974179
Area 3.6643337838737E+15
Altitude 79666883.267518

Triangular Pyramid

Length = n
Surface area 3.6643337838737E+15
Volume 9.1743507040911E+22
Height 43365158.534064