91098981 (number)

91098981 is an odd 8-digits composite number following 91098980 and preceding 91098982. In scientific notation, it is written as 9.1098981 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 60653760 positive integers (up to 91098981) that are relatively prime to 91098981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.1098981 × 10^7
Engineering notation 9.1098981 × 10^6

Prime Factorization of 91098981

Prime Factorization 3 × 3 × 821 × 12329

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 30366327
Product of the distinct prime numbers

The prime factorization of 91098981 is 3 × 3 × 821 × 12329. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 61, 74, 158, 769, 2680, 8354, 87227, 6968, 867015, 111238, 2176059, 9668399, 26591947, 22456276, 998888434, 899943658, 6472447485, 4152780831

Basic calculations (n = 91098981)

Multiplication

n×y
n×2 182197962
n×3 273296943
n×4 364395924
n×5 455494905

Division

n÷y
n÷2 45549490.5
n÷3 30366327
n÷3 22774745.25
n÷5 18219796.2

Exponentiation

ny
n2 8299024339238361
n3 7.5603266059881E+23
n4 6.8873804983271E+31
n5 6.2743334515687E+39

Nth Root

y√n
2√n 9544.5786182524
3√n 449.95716629333
4√n 97.696359288626
5√n 39.07533444529

Divisors of 91098981

1, 3, 9, 821, 2463, 7389, 12329, 36987, 110961, 10122109, 30366327, 91098981

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -91098980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 91098981 can be divided by 12 positive divisors. The sum of these divisors (counting 91098981) is 1, the average is 0.083333333333333.

Base conversion 91098981

Base System Value
2 Binary 101011011100000111101100101
3 Ternary 20100102022022100
4 Quaternary 11123200331211
5 Quinary 141310131411
6 Senary 13012322313
8 Octal 533407545
10 Decimal 91098981
12 Duodecimal 26613399
16 Hexadecimal 56e0f65
20 Vigesimal 1897791
36 Base36 1i8kf9

Cryptographic Hash Functions

md5 3d2de2e495f309ec6fc80be4678960aa
sha1 6968ffae44844c35a86984c76db7a4be055dd063
sha256 6412099df20b910b37d8ce2297860cff6ac3a541ff433bcf9a54514afc4b8784
sha512 022598997e171560c1b902bb4e591f0ae9f6bdf93493b84e15d1d7415c7982c455764c2ef66a042a31549f652a332068fbc0ebf1786e76f102213fe12717f78e
ripemd-160 872df1d583be7c1a44acd45252941bd079f9fa82

91098981 as geometric shapes

Circle

Radius = n
Diameter 182197962
Circumference 572391778.91823
Area 2.6072153896114E+16

Sphere

Radius = n
Volume 3.1668622032149E+24
Surface area 1.0428861558446E+17
Circumference 572391778.91823

Square

Length = n
Perimeter 364395924
Area 8299024339238361
Diagonal 128833414.44857

Cube

Length = n
Surface area 49794146035430166
Volume 7.5603266059881E+23
Space diagonal 157788063.60975

Equilateral Triangle

Length = n
Perimeter 273296943
Area 3.5935829522029E+15
Altitude 78894031.804876

Triangular Pyramid

Length = n
Surface area 3.5935829522029E+15
Volume 8.9099303517988E+22
Height 42944471.482856