91991384 is an even 8-digits composite number following 91991383
and preceding 91991385 . In scientific notation, it is written as 9.1991384 × 10^7.
The sum of its digits is 44. It has a total of 6 prime factors and 32 positive divisors.
There are 43750560 positive integers (up to 91991384) that are relatively prime to 91991384.
91991384 has 32 divisors, whose sum is 181094400
The reverse of 91991384 is 48319919
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
ninety-one million nine hundred ninety-one thousand three hundred eighty-four
Scientific notation
9.1991384 × 10^7
Engineering notation
9.1991384 × 10^6
Prime Factorization
2 × 2 × 2 × 31 × 59 × 6287
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
22997846
Product of the distinct prime numbers
The prime factorization of 91991384 is 2 × 2 × 2 × 31 × 59 × 6287.
Since it has a total of 6 prime factors.
2 , 3 , 33 , 88 , 399 , 721 , 5750 , 644 , 6252 , 97602 , 619626 , 755433 , 1173268 , 6230605 , 97363051 , 78216829 , 262337605 , 934841817 , 9501717445 , 6251754525
n×2
183982768
n×3
275974152
n×4
367965536
n×5
459956920
n÷2
45995692
n÷3
30663794.666667
n÷3
22997846
n÷5
18398276.8
n2
8462414730235456
n3
7.7846924301635E+23
n4
7.1612463066506E+31
n5
6.5877295891368E+39
2 √n
9591.2138960613
3 √n
451.42165046119
4 √n
97.934743048937
5 √n
39.151592390275
1 , 2 , 4 , 8 , 31 , 59 , 62 , 118 , 124 , 236 , 248 , 472 , 1829 , 3658 , 6287 , 7316 , 12574 , 14632 , 25148 , 50296 , 194897 , 370933 , 389794 , 741866 , 779588 , 1483732 , 1559176 , 2967464 , 11498923 , 22997846 , 45995692 , 91991384
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91991383
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91991384 can be divided by 32 positive divisors.
The sum of these divisors (counting 91991384) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101011110111010110101011000
3
Ternary
20102002122110022
4
Quaternary
11132322311120
5
Quinary
142022211014
6
Senary
13043410012
8
Octal
536726530
10
Decimal
91991384
12
Duodecimal
26983908
16
Hexadecimal
57bad58
20
Vigesimal
18eii94
36
Base36
1irp08
md5
ac57a8072f49d6a30a905dad2a403f46
sha1
042ebb16fd53a222a0d995ba5da918a36025a1e0
sha256
62f72e5e697bc895113a614c5f3f0e35283fa36de33e51823124ab3c45bd15c2
sha512
3c128c1c8b438d3535b4b5996d9985d0f2569228e6fc0d120ddb91f35301f05a085a662e413f3a1e5730629ceb800fb1ba4dbd60a1cd0ba6fdeb82f81f6cd636
ripemd-160
a60b1c3a62faba73d74a0eb342756d518593363e
Diameter
183982768
Circumference
577998912.33592
Area
2.6585459948138E+16
Volume
3.2608443398743E+24
Surface area
1.0634183979255E+17
Circumference
577998912.33592
Perimeter
367965536
Area
8462414730235456
Diagonal
130095462.87427
Surface area
50774488381412736
Volume
7.7846924301635E+23
Space diagonal
159333750.94658
Perimeter
275974152
Area
3.6643330668718E+15
Altitude
79666875.473289
Surface area
3.6643330668718E+15
Volume
9.1743480113669E+22
Height
43365154.291424