91993988 is an even 8-digits composite number following 91993987
and preceding 91993989 . In scientific notation, it is written as 9.1993988 × 10^7.
The sum of its digits is 56. It has a total of 5 prime factors and 24 positive divisors.
There are 43308000 positive integers (up to 91993988) that are relatively prime to 91993988.
91993988 has 24 divisors, whose sum is 170682624
The reverse of 91993988 is 88939919
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 56
Digital Root 2
Name
ninety-one million nine hundred ninety-three thousand nine hundred eighty-eight
Scientific notation
9.1993988 × 10^7
Engineering notation
9.1993988 × 10^6
Prime Factorization
2 × 2 × 31 × 37 × 20051
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
45996994
Product of the distinct prime numbers
The prime factorization of 91993988 is 2 × 2 × 31 × 37 × 20051.
Since it has a total of 5 prime factors.
4 , 3 , 95 , 88 , 31 , 95 , 1603 , 4749 , 65599 , 15480 , 897833 , 887860 , 1945795 , 291305 , 50008245 , 99446284 , 997904469 , 570700851 , 7354464653 , 7151241015
n×2
183987976
n×3
275981964
n×4
367975952
n×5
459969940
n÷2
45996994
n÷3
30664662.666667
n÷3
22998497
n÷5
18398797.6
n2
8462893828144144
n3
7.7853535327157E+23
n4
7.162057194644E+31
n5
6.588662036194E+39
2 √n
9591.349644341
3 √n
451.42590988504
4 √n
97.935436101245
5 √n
39.151814040582
1 , 2 , 4 , 31 , 37 , 62 , 74 , 124 , 148 , 1147 , 2294 , 4588 , 20051 , 40102 , 80204 , 621581 , 741887 , 1243162 , 1483774 , 2486324 , 2967548 , 22998497 , 45996994 , 91993988
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91993987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91993988 can be divided by 24 positive divisors.
The sum of these divisors (counting 91993988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101011110111011011110000100
3
Ternary
20102002210000202
4
Quaternary
11132323132010
5
Quinary
142022301423
6
Senary
13043430032
8
Octal
536733604
10
Decimal
91993988
12
Duodecimal
26985318
16
Hexadecimal
57bb784
20
Vigesimal
18ej4j8
36
Base36
1irr0k
md5
e99a8fd396cf1bb4ffb1af45f19d6035
sha1
b9c59167d1f09bf21ada990e28304d20dfbdc53d
sha256
1ff2f4df38f889b57f0e02b5c51cbcf70ccf454035d6916cdff5b21027c5c64c
sha512
7a4b2fe6e25344f0580632b07493f138bd2ece419e27a3ef8179d2acdbce31d479d014ab0f6bee8db14ac2f0cb0c1ad4d7dee5bf5fb00403df489dd4664149ec
ripemd-160
1c939a39f14b76d5448cd4a083b1b7c1e515f134
Diameter
183987976
Circumference
578015273.75046
Area
2.6586965078608E+16
Volume
3.2611212618638E+24
Surface area
1.0634786031443E+17
Circumference
578015273.75046
Perimeter
367975952
Area
8462893828144144
Diagonal
130099145.48639
Surface area
50777362968864864
Volume
7.7853535327157E+23
Space diagonal
159338261.20688
Perimeter
275981964
Area
3.6645405223517E+15
Altitude
79669130.603441
Surface area
3.6645405223517E+15
Volume
9.1751271281965E+22
Height
43366381.828796