91008021 (number)

91008021 is an odd 8-digits composite number following 91008020 and preceding 91008022. In scientific notation, it is written as 9.1008021 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 52705536 positive integers (up to 91008021) that are relatively prime to 91008021.

Interesting facts

Basic properties

Name

Name ninety-one million eight thousand twenty-one

Notation

Scientific notation 9.1008021 × 10^7
Engineering notation 9.1008021 × 10^6

Prime Factorization of 91008021

Prime Factorization 3 × 17 × 169 × 10559

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 91008021
Product of the distinct prime numbers

The prime factorization of 91008021 is 3 × 17 × 169 × 10559. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91008021)

Multiplication

n×y
n×2 182016042
n×3 273024063
n×4 364032084
n×5 455040105

Division

n÷y
n÷2 45504010.5
n÷3 30336007
n÷3 22752005.25
n÷5 18201604.2

Exponentiation

ny
n2 8282459886336441
n3 7.5377028326736E+23
n4 6.8599141768772E+31
n5 6.2430721346744E+39

Nth Root

y√n
2√n 9539.8124195395
3√n 449.80735951962
4√n 97.67196332387
5√n 39.067528182737

Divisors of 91008021

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 -91008020
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 91008021 can be divided by 16 positive divisors. The sum of these divisors (counting 91008021) is 1, the average is 0.0625.

Base conversion 91008021

Base System Value
2 Binary 101011011001010110000010101
3 Ternary 20100020200112110
4 Quaternary 11123022300111
5 Quinary 141244224041
6 Senary 13010341233
8 Octal 533126025
10 Decimal 91008021
12 Duodecimal 2658a819
16 Hexadecimal 56cac15
20 Vigesimal 188g011
36 Base36 1i6m8l

Cryptographic Hash Functions

md5 2962520de74e54fca618ef41ee96a07d
sha1 b150b6e7838aad9f48677b6e5ec082affe03b5c4
sha256 6c3136b5130e0c057027745c1aafc266245342fbc157927a1f39f521e2310549
sha512 b4cd6a1cdb8b213c2add4e5d5b1db8789fe0a6a3576766d877967691fbe91fbf8715b890cd78eeb8bde759ea89ef7c197a4b8abfad0397f5ab0909e4fa866507
ripemd-160 099f609259d6ea3278238062c231943ec28a480a

91008021 as geometric shapes

Circle

Radius = n
Diameter 182016042
Circumference 571820260.38269
Area 2.6020115132567E+16

Sphere

Radius = n
Volume 3.1573855792094E+24
Surface area 1.0408046053027E+17
Circumference 571820260.38269

Square

Length = n
Perimeter 364032084
Area 8282459886336441
Diagonal 128704777.58294

Cube

Length = n
Surface area 49694759318018646
Volume 7.5377028326736E+23
Space diagonal 157630516.2683

Equilateral Triangle

Length = n
Perimeter 273024063
Area 3.5864103336965E+15
Altitude 78815258.134148

Triangular Pyramid

Length = n
Surface area 3.5864103336965E+15
Volume 8.8832679792543E+22
Height 42901592.527645