91997921 (number)

91997921 is an odd 8-digits composite number following 91997920 and preceding 91997922. In scientific notation, it is written as 9.1997921 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 91913412 positive integers (up to 91997921) that are relatively prime to 91997921.

Interesting facts

Basic properties

Name

Name ninety-one million nine hundred ninety-seven thousand nine hundred twenty-one

Notation

Scientific notation 9.1997921 × 10^7
Engineering notation 9.1997921 × 10^6

Prime Factorization of 91997921

Prime Factorization 1103 × 83407

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 91997921
Product of the distinct prime numbers

The prime factorization of 91997921 is 1103 × 83407. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91997921)

Multiplication

n×y
n×2 183995842
n×3 275993763
n×4 367991684
n×5 459989605

Division

n÷y
n÷2 45998960.5
n÷3 30665973.666667
n÷3 22999480.25
n÷5 18399584.2

Exponentiation

ny
n2 8463617468322241
n3 7.7863521122493E+23
n4 7.1632820650089E+31
n5 6.5900705751741E+39

Nth Root

y√n
2√n 9591.5546706465
3√n 451.43234303298
4√n 97.93648283784
5√n 39.152148804744

Divisors of 91997921

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 -91997920
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 91997921 can be divided by 4 positive divisors. The sum of these divisors (counting 91997921) is 1, the average is 0.25.

Base conversion 91997921

Base System Value
2 Binary 101011110111100011011100001
3 Ternary 20102002222102102
4 Quaternary 11132330123201
5 Quinary 142022413141
6 Senary 13043500145
8 Octal 536743341
10 Decimal 91997921
12 Duodecimal 26987655
16 Hexadecimal 57bc6e1
20 Vigesimal 18ejeg1
36 Base36 1iru1t

Cryptographic Hash Functions

md5 bfb8da580b8f55930f0c78c85e11d5c2
sha1 b00f45a1b253ef77df3eab7f57c1d37c2095556c
sha256 5a6aaa670e4259b5286a8be59054af7884344b45f849fbe4b9efbe88c7df3533
sha512 3f3510ab3321d6fdbe605f9281dd9a6fbe9fd37ed6ad67189df3843adc445ac2edb3d5c98231a6fc8a20724cdd1b49f5ff029824e16b927b70a4b2178baee7f7
ripemd-160 baa131e7ba7235b6203566e4a08ad41a1890a901

91997921 as geometric shapes

Circle

Radius = n
Diameter 183995842
Circumference 578039985.51827
Area 2.6589238461275E+16

Sphere

Radius = n
Volume 3.2615395458808E+24
Surface area 1.063569538451E+17
Circumference 578039985.51827

Square

Length = n
Perimeter 367991684
Area 8463617468322241
Diagonal 130104707.58833

Cube

Length = n
Surface area 50781704809933446
Volume 7.7863521122493E+23
Space diagonal 159345073.36271

Equilateral Triangle

Length = n
Perimeter 275993763
Area 3.6648538677404E+15
Altitude 79672536.681354

Triangular Pyramid

Length = n
Surface area 3.6648538677404E+15
Volume 9.1763039654628E+22
Height 43368235.862776