91993890 is an even 8-digits composite number following 91993889
and preceding 91993891 . In scientific notation, it is written as 9.1993890 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 24413760 positive integers (up to 91993890) that are relatively prime to 91993890.
91993890 has 16 divisors, whose sum is 147897984
The reverse of 91993890 is 09839919
Previous prime number is 211
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
ninety-one million nine hundred ninety-three thousand eight hundred ninety
Scientific notation
9.1993890 × 10^7
Engineering notation
9.1993890 × 10^6
Prime Factorization
2 × 15 × 211 × 14533
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
91993890
Product of the distinct prime numbers
The prime factorization of 91993890 is 2 × 15 × 211 × 14533.
Since it has a total of 4 prime factors.
4 , 5 , 3 , 80 , 879 , 219 , 6059 , 1910 , 99324 , 94215 , 485502 , 194360 , 4966318 , 827879 , 83765876 , 47691337 , 468211653 , 41961481 , 6368925535 , 5225836575
n×2
183987780
n×3
275981670
n×4
367975560
n×5
459969450
n÷2
45996945
n÷3
30664630
n÷3
22998472.5
n÷5
18398778
n2
8462875797332100
n3
7.7853286518343E+23
n4
7.1620266761069E+31
n5
6.5886269421885E+39
2 √n
9591.3445355696
3 √n
451.4257495856
4 √n
97.935410018897
5 √n
39.151805698994
1 , 2 , 15 , 30 , 211 , 422 , 3165 , 6330 , 14533 , 29066 , 217995 , 435990 , 3066463 , 6132926 , 45996945 , 91993890
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
-91993889
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 91993890 can be divided by 16 positive divisors.
The sum of these divisors (counting 91993890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011110111011011100100010
3
Ternary
20102002202220010
4
Quaternary
11132323130202
5
Quinary
142022301030
6
Senary
13043425350
8
Octal
536733442
10
Decimal
91993890
12
Duodecimal
26985256
16
Hexadecimal
57bb722
20
Vigesimal
18ej4ea
36
Base36
1irqxu
md5
e86a2c9f261f570752c8d4d3d5e8364d
sha1
27369f32a4351f263dd059c630f42493bd02d4f6
sha256
88b3cead862c693792993424f15f5b8d2af05a364efc192fcaa2f037ce77690a
sha512
ef087c58309d71e800bffcb2f22ccabcb70df2e55507d32b4982afdee89d82e9751f6baa07f0f707741a16823741697041c395edaf39687a23727fa18e0b5b42
ripemd-160
5df38dc4d8ba9fd9438f1f2e862b35e0ea79a4b4
Diameter
183987780
Circumference
578014657.9983
Area
2.6586908433141E+16
Volume
3.2611108397846E+24
Surface area
1.0634763373257E+17
Circumference
578014657.9983
Perimeter
367975560
Area
8462875797332100
Diagonal
130099006.89346
Surface area
50777254783992600
Volume
7.7853286518343E+23
Space diagonal
159338091.4659
Perimeter
275981670
Area
3.664532714781E+15
Altitude
79669045.732951
Surface area
3.664532714781E+15
Volume
9.1750978057966E+22
Height
43366335.631153