91991370 (number)

91991370 is an even 8-digits composite number following 91991369 and preceding 91991371. In scientific notation, it is written as 9.1991370 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 24488640 positive integers (up to 91991370) that are relatively prime to 91991370.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.1991370 × 10^7
Engineering notation 9.1991370 × 10^6

Prime Factorization of 91991370

Prime Factorization 2 × 15 × 661 × 4639

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 91991370
Product of the distinct prime numbers

The prime factorization of 91991370 is 2 × 15 × 661 × 4639. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 2, 27, 79, 369, 579, 5521, 5301, 7833, 75269, 336232, 259934, 972915, 4390483, 323166, 1581332, 340280225, 262712219, 4675208915, 4466346739

Basic calculations (n = 91991370)

Multiplication

n×y
n×2 183982740
n×3 275974110
n×4 367965480
n×5 459956850

Division

n÷y
n÷2 45995685
n÷3 30663790
n÷3 22997842.5
n÷5 18398274

Exponentiation

ny
n2 8462412154476900
n3 7.7846888759498E+23
n4 7.1612419472238E+31
n5 6.5877245762659E+39

Nth Root

y√n
2√n 9591.2131662267
3√n 451.42162756084
4√n 97.93473932281
5√n 39.151591198594

Divisors of 91991370

1, 2, 15, 30, 661, 1322, 4639, 9278, 9915, 19830, 69585, 139170, 3066379, 6132758, 45995685, 91991370

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 -91991369
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 91991370 can be divided by 16 positive divisors. The sum of these divisors (counting 91991370) is 1, the average is 0.0625.

Base conversion 91991370

Base System Value
2 Binary 101011110111010110101001010
3 Ternary 20102002122102210
4 Quaternary 11132322311022
5 Quinary 142022210440
6 Senary 13043405550
8 Octal 536726512
10 Decimal 91991370
12 Duodecimal 269838b6
16 Hexadecimal 57bad4a
20 Vigesimal 18eii8a
36 Base36 1irozu

Cryptographic Hash Functions

md5 4513c63373d58441e1b62f6842ae6908
sha1 c97f6c6c25f1e4a6d1bc6c3a52ebed326b5dfb7f
sha256 c2ca67429614aada9b606e6253340b41344d2ab7fff7a9a8aa8fc2686863f625
sha512 f5174f4776bed09ed16dfcb1f0d450ae47f0eb2d7e0459d8dcd32636d75ddcfc6c2293f44acbcb4ad256827401ddb0f1e32f8315a4adb4ba0ff2fc2933e4e156
ripemd-160 43552d71a81921ea1df21eaea3b498caaf41c781

91991370 as geometric shapes

Circle

Radius = n
Diameter 183982740
Circumference 577998824.37132
Area 2.6585451856154E+16

Sphere

Radius = n
Volume 3.2608428510888E+24
Surface area 1.0634180742461E+17
Circumference 577998824.37132

Square

Length = n
Perimeter 367965480
Area 8462412154476900
Diagonal 130095443.07528

Cube

Length = n
Surface area 50774472926861400
Volume 7.7846888759498E+23
Space diagonal 159333726.69787

Equilateral Triangle

Length = n
Perimeter 275974110
Area 3.6643319515356E+15
Altitude 79666863.348934

Triangular Pyramid

Length = n
Surface area 3.6643319515356E+15
Volume 9.174343822686E+22
Height 43365147.69176