91997985 (number)

91997985 is an odd 8-digits composite number following 91997984 and preceding 91997986. In scientific notation, it is written as 9.1997985 × 10^7. The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors. There are 49065584 positive integers (up to 91997985) that are relatively prime to 91997985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.1997985 × 10^7
Engineering notation 9.1997985 × 10^6

Prime Factorization of 91997985

Prime Factorization 15 × 6133199

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 91997985
Product of the distinct prime numbers

The prime factorization of 91997985 is 15 × 6133199. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91997985)

Multiplication

n×y
n×2 183995970
n×3 275993955
n×4 367991940
n×5 459989925

Division

n÷y
n÷2 45998992.5
n÷3 30665995
n÷3 22999496.25
n÷5 18399597

Exponentiation

ny
n2 8463629244060225
n3 7.7863683624061E+23
n4 7.1633019980911E+31
n5 6.5900934977086E+39

Nth Root

y√n
2√n 9591.5580069142
3√n 451.43244771528
4√n 97.936499870652
5√n 39.152154252121

Divisors of 91997985

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -91997984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 91997985 can be divided by 4 positive divisors. The sum of these divisors (counting 91997985) is 1, the average is 0.25.

Base conversion 91997985

Base System Value
2 Binary 101011110111100011100100001
3 Ternary 20102002222111210
4 Quaternary 11132330130201
5 Quinary 142022413420
6 Senary 13043500333
8 Octal 536743441
10 Decimal 91997985
12 Duodecimal 269876a9
16 Hexadecimal 57bc721
20 Vigesimal 18ejej5
36 Base36 1iru3l

Cryptographic Hash Functions

md5 97ccf29292b87fb972cc68b838804662
sha1 6469a6bf874500d6ba0e80c69ad4cd4e8fd67c64
sha256 db3576b8d44b543d3924141cef7da65a122b25d2f0c868abbecf458699aac29f
sha512 d34a60a59ce39588b017b5deabd7702ebfd5b324d2718c79feb37954f1bbd470fcff91449cecb7183bcf4c7ce7ccfb83e8008458277522140a22098f3854edc6
ripemd-160 5fc6706b5111126b05582c1609d45e05e26feade

91997985 as geometric shapes

Circle

Radius = n
Diameter 183995970
Circumference 578040387.64213
Area 2.6589275455847E+16

Sphere

Radius = n
Volume 3.2615463527305E+24
Surface area 1.0635710182339E+17
Circumference 578040387.64213

Square

Length = n
Perimeter 367991940
Area 8463629244060225
Diagonal 130104798.098

Cube

Length = n
Surface area 50781775464361350
Volume 7.7863683624061E+23
Space diagonal 159345184.21396

Equilateral Triangle

Length = n
Perimeter 275993955
Area 3.6648589667845E+15
Altitude 79672592.10698

Triangular Pyramid

Length = n
Surface area 3.6648589667845E+15
Volume 9.1763231164563E+22
Height 43368266.032666