91086987 (number)

91086987 is an odd 8-digits composite number following 91086986 and preceding 91086988. In scientific notation, it is written as 9.1086987 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 59273760 positive integers (up to 91086987) that are relatively prime to 91086987.

Interesting facts

Basic properties

Name

Name ninety-one million eighty-six thousand nine hundred eighty-seven

Notation

Scientific notation 9.1086987 × 10^7
Engineering notation 9.1086987 × 10^6

Prime Factorization of 91086987

Prime Factorization 3 × 47 × 547 × 1181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 91086987
Product of the distinct prime numbers

The prime factorization of 91086987 is 3 × 47 × 547 × 1181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 4, 59, 667, 163, 3517, 6385, 26176, 10790, 69480, 479753, 5302810, 3296799, 86688376, 60070681, 461054846, 426439524, 681033093, 3498492287

Basic calculations (n = 91086987)

Multiplication

n×y
n×2 182173974
n×3 273260961
n×4 364347948
n×5 455434935

Division

n÷y
n÷2 45543493.5
n÷3 30362329
n÷3 22771746.75
n÷5 18217397.4

Exponentiation

ny
n2 8296839200738169
n3 7.5573408441873E+23
n4 6.8837540722906E+31
n5 6.2702041769393E+39

Nth Root

y√n
2√n 9543.9502827708
3√n 449.93741845768
4√n 97.693143478807
5√n 39.074305467271

Divisors of 91086987

1, 3, 47, 141, 547, 1181, 1641, 3543, 25709, 55507, 77127, 166521, 646007, 1938021, 30362329, 91086987

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -91086986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 91086987 can be divided by 16 positive divisors. The sum of these divisors (counting 91086987) is 1, the average is 0.0625.

Base conversion 91086987

Base System Value
2 Binary 101011011011110000010001011
3 Ternary 20100101200212010
4 Quaternary 11123132002023
5 Quinary 141304240422
6 Senary 13012151003
8 Octal 533360213
10 Decimal 91086987
12 Duodecimal 26608463
16 Hexadecimal 56de08b
20 Vigesimal 1895h97
36 Base36 1i8b63

Cryptographic Hash Functions

md5 d9fcd092f7d1ce29e235aa3814cacf7c
sha1 2a2d58b3163eb8ca14023a71cca796c5d594dab8
sha256 3d9689829d0b9ef56425da5cdc76e5f2db62f8ec2420882bd04a35cd7b474a74
sha512 b79b0470687d78f97c08401e63a0560d6e5094e81fa9fa636733b32e4ac48fb490292d9a07a6041228d7697abb94317431868174311d5f6b36be30a50cb3085b
ripemd-160 9238b36f1e5888b04a0fa5d1b7ef6b6f1eb1d478

91086987 as geometric shapes

Circle

Radius = n
Diameter 182173974
Circumference 572316418.39366
Area 2.6065289081055E+16

Sphere

Radius = n
Volume 3.1656115302364E+24
Surface area 1.0426115632422E+17
Circumference 572316418.39366

Square

Length = n
Perimeter 364347948
Area 8296839200738169
Diagonal 128816452.3711

Cube

Length = n
Surface area 49781035204429014
Volume 7.5573408441873E+23
Space diagonal 157767289.39237

Equilateral Triangle

Length = n
Perimeter 273260961
Area 3.5926367594769E+15
Altitude 78883644.696183

Triangular Pyramid

Length = n
Surface area 3.5926367594769E+15
Volume 8.9064115977715E+22
Height 42938817.457034