91991397 (number)

91991397 is an odd 8-digits composite number following 91991396 and preceding 91991398. In scientific notation, it is written as 9.1991397 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 61245072 positive integers (up to 91991397) that are relatively prime to 91991397.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.1991397 × 10^7
Engineering notation 9.1991397 × 10^6

Prime Factorization of 91991397

Prime Factorization 3 × 757 × 40507

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 91991397
Product of the distinct prime numbers

The prime factorization of 91991397 is 3 × 757 × 40507. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 3, 54, 3, 82, 404, 5211, 3520, 81932, 16204, 245351, 627732, 2613511, 4762101, 30244330, 64745437, 698474661, 75080358, 2161629541, 834156496

Basic calculations (n = 91991397)

Multiplication

n×y
n×2 183982794
n×3 275974191
n×4 367965588
n×5 459956985

Division

n÷y
n÷2 45995698.5
n÷3 30663799
n÷3 22997849.25
n÷5 18398279.4

Exponentiation

ny
n2 8462417122011609
n3 7.7846957305057E+23
n4 7.1612503546915E+31
n5 6.5877342439482E+39

Nth Root

y√n
2√n 9591.2145737649
3√n 451.42167172579
4√n 97.934746508912
5√n 39.151593496837

Divisors of 91991397

1, 3, 757, 2271, 40507, 121521, 30663799, 91991397

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 -91991396
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 91991397 can be divided by 8 positive divisors. The sum of these divisors (counting 91991397) is 1, the average is 0.125.

Base conversion 91991397

Base System Value
2 Binary 101011110111010110101100101
3 Ternary 20102002122110210
4 Quaternary 11132322311211
5 Quinary 142022211042
6 Senary 13043410033
8 Octal 536726545
10 Decimal 91991397
12 Duodecimal 26983919
16 Hexadecimal 57bad65
20 Vigesimal 18eii9h
36 Base36 1irp0l

Cryptographic Hash Functions

md5 0005440f206a33cd1171f3387fdbafb2
sha1 46fe35c361a81366a6c1e1529977e9666d52e784
sha256 46964cb44cac53a2cd46572461e317be1b706b8b404b887438d1f7f0a223fb81
sha512 5b22ec33a4a4c54df963c76b43a564e9b73df648d5421b084e9ed3d22cc945abd0079e83106590e9b967071bbac74315d3e725873c37a1206b19302e2ce536b5
ripemd-160 4ae6773b8dbb569356665f599086630b3f6328f3

91991397 as geometric shapes

Circle

Radius = n
Diameter 183982794
Circumference 577998994.01732
Area 2.6585467462124E+16

Sphere

Radius = n
Volume 3.2608457223185E+24
Surface area 1.063418698485E+17
Circumference 577998994.01732

Square

Length = n
Perimeter 367965588
Area 8462417122011609
Diagonal 130095481.25905

Cube

Length = n
Surface area 50774502732069654
Volume 7.7846957305057E+23
Space diagonal 159333773.46324

Equilateral Triangle

Length = n
Perimeter 275974191
Area 3.6643341025412E+15
Altitude 79666886.73162

Triangular Pyramid

Length = n
Surface area 3.6643341025412E+15
Volume 9.1743519008575E+22
Height 43365160.419683