91991427 (number)

91991427 is an odd 8-digits composite number following 91991426 and preceding 91991428. In scientific notation, it is written as 9.1991427 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 55752360 positive integers (up to 91991427) that are relatively prime to 91991427.

Interesting facts

Basic properties

Name

Name ninety-one million nine hundred ninety-one thousand four hundred twenty-seven

Notation

Scientific notation 9.1991427 × 10^7
Engineering notation 9.1991427 × 10^6

Prime Factorization of 91991427

Prime Factorization 3 × 11 × 2787619

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 91991427
Product of the distinct prime numbers

The prime factorization of 91991427 is 3 × 11 × 2787619. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91991427)

Multiplication

n×y
n×2 183982854
n×3 275974281
n×4 367965708
n×5 459957135

Division

n÷y
n÷2 45995713.5
n÷3 30663809
n÷3 22997856.75
n÷5 18398285.4

Exponentiation

ny
n2 8462422641496329
n3 7.7847033466836E+23
n4 7.161259696331E+31
n5 6.5877449858307E+39

Nth Root

y√n
2√n 9591.216137696
3√n 451.42172079795
4√n 97.934754493469
5√n 39.15159605044

Divisors of 91991427

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 -91991426
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 91991427 can be divided by 8 positive divisors. The sum of these divisors (counting 91991427) is 1, the average is 0.125.

Base conversion 91991427

Base System Value
2 Binary 101011110111010110110000011
3 Ternary 20102002122111220
4 Quaternary 11132322312003
5 Quinary 142022211202
6 Senary 13043410123
8 Octal 536726603
10 Decimal 91991427
12 Duodecimal 26983943
16 Hexadecimal 57bad83
20 Vigesimal 18eiib7
36 Base36 1irp1f

Cryptographic Hash Functions

md5 f617913598fe5b63643fbc2237811f3a
sha1 4c9432049947ad5c80a1285e32a2705f528cf2cb
sha256 fb7a2de5d23358afe0841690dde9285fe0bedc953c704cc0b2138362af0336d7
sha512 a059a3dd83a6eac8329c1a77d44b6a22e76b282272d4ac5c9d7c90d9091fe958d2ad0718497337678ffb10827f4665ab6ac92dfdce79b8a1ed4a6f0195ec8914
ripemd-160 22fa586bc0ea49a65863fb808eccfd6e2a921af2

91991427 as geometric shapes

Circle

Radius = n
Diameter 183982854
Circumference 577999182.51288
Area 2.6585484802097E+16

Sphere

Radius = n
Volume 3.2608489125756E+24
Surface area 1.0634193920839E+17
Circumference 577999182.51288

Square

Length = n
Perimeter 367965708
Area 8462422641496329
Diagonal 130095523.68545

Cube

Length = n
Surface area 50774535848977974
Volume 7.7847033466836E+23
Space diagonal 159333825.42476

Equilateral Triangle

Length = n
Perimeter 275974281
Area 3.6643364925482E+15
Altitude 79666912.712382

Triangular Pyramid

Length = n
Surface area 3.6643364925482E+15
Volume 9.1743608766093E+22
Height 43365174.561818