Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

91388081 (number)

91388081 is an odd 8-digits composite number following 91388080 and preceding 91388082. In scientific notation, it is written as 9.1388081 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 86486400 positive integers (up to 91388081) that are relatively prime to 91388081.

Interesting facts

91388081 has 8 divisors, whose sum is 96300000
The reverse of 91388081 is 18088319
Previous prime number is 1249

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	ninety-one million three hundred eighty-eight thousand eighty-one

Notation

Scientific notation	9.1388081 × 10^7
Engineering notation	9.1388081 × 10^6

Prime Factorization of 91388081

Prime Factorization 19 × 1249 × 3851

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	91388081	Product of the distinct prime numbers

The prime factorization of 91388081 is 19 × 1249 × 3851. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 9, 23, 20, 550, 682, 5056, 1362, 81665, 20021, 598317, 69868, 9207924, 1870996, 26778055, 70872122, 478972612, 542241153, 9168348969, 715332729

Basic calculations (n = 91388081)

Multiplication

n×y

n×2	182776162
n×3	274164243
n×4	365552324
n×5	456940405

Division

n÷y

n÷2	45694040.5
n÷3	30462693.666667
n÷3	22847020.25
n÷5	18277616.2

Exponentiation

n^y

n²	8351781348862561
n³	7.6325327040414E+23
n⁴	6.9752251699209E+31
n⁵	6.3745244282197E+39

Nth Root

^y√n

²√n	9559.7113450146
³√n	450.43263906282
⁴√n	97.773776366746
⁵√n	39.100103913474

Divisors of 91388081

1, 19, 1249, 3851, 23731, 73169, 4809899, 91388081

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	-91388080	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 91388081 can be divided by 8 positive divisors. The sum of these divisors (counting 91388081) is 1, the average is 0.125.

Base conversion 91388081

Base	System	Value
2	Binary	101011100100111100010110001
3	Ternary	20100221222212202
4	Quaternary	11130213202301
5	Quinary	141343404311
6	Senary	13022432545
8	Octal	534474261
10	Decimal	91388081
12	Duodecimal	26732755
16	Hexadecimal	57278b1
20	Vigesimal	18b3a41
36	Base36	1ierht

Cryptographic Hash Functions

md5	bbdaadfd6713ba90f4060ccc1403b68d
sha1	f64bc76a1c47d4601ac6d84c9854543227dd64c2
sha256	aec87166298a301970c7a571121ea24501b454de083adf806326d7ebbaa6bc49
sha512	4a87ad30f5d840df8e0ba4adda32358d2fb837ea5727da34de8dcce258b8451c37e714863343b523008cf0d1ae706ef9517162db877041a0195d01bc8a04f47a
ripemd-160	daf3900735a22b27bab4203255649148466927e2

91388081 as geometric shapes

Circle

Radius = n

Diameter	182776162
Circumference	574208247.79054
Area	2.6237894929975E+16

Sphere

Radius = n

Volume	3.19710782284E+24
Surface area	1.049515797199E+17
Circumference	574208247.79054

Square

Length = n

Perimeter	365552324
Area	8351781348862561
Diagonal	129242263.58945

Cube

Length = n

Surface area	50110688093175366
Volume	7.6325327040414E+23
Space diagonal	158288799.49822

Equilateral Triangle

Length = n

Perimeter	274164243
Area	3.616427407484E+15
Altitude	79144399.74911

Triangular Pyramid

Length = n

Surface area	3.616427407484E+15
Volume	8.9950260544263E+22
Height	43080754.529817