91991351 (number)

91991351 is an odd 8-digits composite number following 91991350 and preceding 91991352. In scientific notation, it is written as 9.1991351 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 91217920 positive integers (up to 91991351) that are relatively prime to 91991351.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.1991351 × 10^7
Engineering notation 9.1991351 × 10^6

Prime Factorization of 91991351

Prime Factorization 257 × 263 × 1361

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 91991351
Product of the distinct prime numbers

The prime factorization of 91991351 is 257 × 263 × 1361. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91991351)

Multiplication

n×y
n×2 183982702
n×3 275974053
n×4 367965404
n×5 459956755

Division

n÷y
n÷2 45995675.5
n÷3 30663783.666667
n÷3 22997837.75
n÷5 18398270.2

Exponentiation

ny
n2 8462408658805201
n3 7.7846840523759E+23
n4 7.1612360308621E+31
n5 6.5877177730888E+39

Nth Root

y√n
2√n 9591.2121757367
3√n 451.4215964818
4√n 97.934734265922
5√n 39.151589581311

Divisors of 91991351

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 -91991350
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 91991351 can be divided by 8 positive divisors. The sum of these divisors (counting 91991351) is 1, the average is 0.125.

Base conversion 91991351

Base System Value
2 Binary 101011110111010110100110111
3 Ternary 20102002122102002
4 Quaternary 11132322310313
5 Quinary 142022210401
6 Senary 13043405515
8 Octal 536726467
10 Decimal 91991351
12 Duodecimal 2698389b
16 Hexadecimal 57bad37
20 Vigesimal 18eii7b
36 Base36 1irozb

Cryptographic Hash Functions

md5 0230ffec450214285c6f1cd430a772fc
sha1 a478c7cb856c4d5b56b86c9a73c202b23109d2ed
sha256 083c419463de44e5a00fc795bfad9343c2ff16b101bbe627adc191bf16860143
sha512 8b20f80d8536109eb5f4922828488192459cec15029a7088fb4b5cf9503475e35e10e21c4fe9a412e27614f9a95993e2ae04206ae2bfd4555492d061d82b78a6
ripemd-160 7579e25e398dc9e02c3a151a591224febe8dae12

91991351 as geometric shapes

Circle

Radius = n
Diameter 183982702
Circumference 577998704.9908
Area 2.6585440874177E+16

Sphere

Radius = n
Volume 3.2608408305949E+24
Surface area 1.0634176349671E+17
Circumference 577998704.9908

Square

Length = n
Perimeter 367965404
Area 8462408658805201
Diagonal 130095416.20522

Cube

Length = n
Surface area 50774451952831206
Volume 7.7846840523759E+23
Space diagonal 159333693.7889

Equilateral Triangle

Length = n
Perimeter 275974053
Area 3.6643304378654E+15
Altitude 79666846.894451

Triangular Pyramid

Length = n
Surface area 3.6643304378654E+15
Volume 9.1743381380496E+22
Height 43365138.735075