91661521 (number)

91661521 is an odd 8-digits composite number following 91661520 and preceding 91661522. In scientific notation, it is written as 9.1661521 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 78494400 positive integers (up to 91661521) that are relatively prime to 91661521.

Interesting facts

Basic properties

Name

Name ninety-one million six hundred sixty-one thousand five hundred twenty-one

Notation

Scientific notation 9.1661521 × 10^7
Engineering notation 9.1661521 × 10^6

Prime Factorization of 91661521

Prime Factorization 7 × 1201 × 10903

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 91661521
Product of the distinct prime numbers

The prime factorization of 91661521 is 7 × 1201 × 10903. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91661521)

Multiplication

n×y
n×2 183323042
n×3 274984563
n×4 366646084
n×5 458307605

Division

n÷y
n÷2 45830760.5
n÷3 30553840.333333
n÷3 22915380.25
n÷5 18332304.2

Exponentiation

ny
n2 8401834432033441
n3 7.7012492323036E+23
n4 7.0590821823303E+31
n5 6.4704620969639E+39

Nth Root

y√n
2√n 9574.0023501146
3√n 450.88143450867
4√n 97.846831068332
5√n 39.123474049435

Divisors of 91661521

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 -91661520
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 91661521 can be divided by 8 positive divisors. The sum of these divisors (counting 91661521) is 1, the average is 0.125.

Base conversion 91661521

Base System Value
2 Binary 101011101101010010011010001
3 Ternary 20101110212222011
4 Quaternary 11131222103101
5 Quinary 141431132041
6 Senary 13032342521
8 Octal 535522321
10 Decimal 91661521
12 Duodecimal 26844a41
16 Hexadecimal 576a4d1
20 Vigesimal 18chdg1
36 Base36 1ikmhd

Cryptographic Hash Functions

md5 380da8798a542e5e8a22fd25801a1a99
sha1 cfa796140c876a7ff2f6f1607add042ea4028da0
sha256 9a49953db45936e09eb38b26801ce3a36775260cfcbd9eb451e1cc47851117d9
sha512 5db90423f7d21838cc7c8cec95375d45b1432ac0b3cfbf11a73f55ff8242dedeb78e94c843645bcfaee128c49fd435cab15ceb27a54cec11879f8545e65b7c48
ripemd-160 0ac0bedf268d2145c693a439f7ca60d1dd72ca94

91661521 as geometric shapes

Circle

Radius = n
Diameter 183323042
Circumference 575926321.98093
Area 2.6395141328354E+16

Sphere

Radius = n
Volume 3.2258917348892E+24
Surface area 1.0558056531342E+17
Circumference 575926321.98093

Square

Length = n
Perimeter 366646084
Area 8401834432033441
Diagonal 129628966.14595

Cube

Length = n
Surface area 50411006592200646
Volume 7.7012492323036E+23
Space diagonal 158762411.47104

Equilateral Triangle

Length = n
Perimeter 274984563
Area 3.6381010282659E+15
Altitude 79381205.735521

Triangular Pyramid

Length = n
Surface area 3.6381010282659E+15
Volume 9.0760092596159E+22
Height 43209655.381982