91993989 is an odd 8-digits composite number following 91993988
and preceding 91993990 . In scientific notation, it is written as 9.1993989 × 10^7.
The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors.
There are 61329324 positive integers (up to 91993989) that are relatively prime to 91993989.
91993989 has 4 divisors, whose sum is 122658656
The reverse of 91993989 is 98939919
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
ninety-one million nine hundred ninety-three thousand nine hundred eighty-nine
Scientific notation
9.1993989 × 10^7
Engineering notation
9.1993989 × 10^6
Prime Factorization
3 × 30664663
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
91993989
Product of the distinct prime numbers
The prime factorization of 91993989 is 3 × 30664663.
Since it has a total of 2 prime factors.
4 , 5 , 34 , 1 , 472 , 3 , 2436 , 505 , 5271 , 47406 , 224767 , 412869 , 291144 , 540836 , 42477639 , 20555903 , 205444826 , 853221726 , 7593625134 , 224046338
n×2
183987978
n×3
275981967
n×4
367975956
n×5
459969945
n÷2
45996994.5
n÷3
30664663
n÷3
22998497.25
n÷5
18398797.8
n2
8462894012132121
n3
7.7853537866025E+23
n4
7.1620575060582E+31
n5
6.5886623942968E+39
2 √n
9591.3496964713
3 √n
451.42591152075
4 √n
97.935436367391
5 √n
39.1518141257
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91993988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91993989 can be divided by 4 positive divisors.
The sum of these divisors (counting 91993989) is 1, the average is 0.25.
Base
System
Value
2
Binary
101011110111011011110000101
3
Ternary
20102002210000210
4
Quaternary
11132323132011
5
Quinary
142022301424
6
Senary
13043430033
8
Octal
536733605
10
Decimal
91993989
12
Duodecimal
26985319
16
Hexadecimal
57bb785
20
Vigesimal
18ej4j9
36
Base36
1irr0l
md5
d609780eed2be12fd4c8d48b1c9008fb
sha1
2a4dd3242a38306851203a64e384cb39866c0af7
sha256
3020677446d0310ea2d6309fccac9f8b60c042fbefa05b94d6e170d1b05f103c
sha512
5aae842e3159c6a593bec448bc241852038e20ee022b879d052bedad2a76ac59b2406a5f2bbd715f27834a29c9c8b5c5e1fdf560120b1b2e3bc738bd50bdc4b0
ripemd-160
fb34041337bf64a51a6eef18e7de41fc8b6ca382
Diameter
183987978
Circumference
578015280.03364
Area
2.6586965656623E+16
Volume
3.2611213682117E+24
Surface area
1.0634786262649E+17
Circumference
578015280.03364
Perimeter
367975956
Area
8462894012132121
Diagonal
130099146.9006
Surface area
50777364072792726
Volume
7.7853537866025E+23
Space diagonal
159338262.93893
Perimeter
275981967
Area
3.6645406020208E+15
Altitude
79669131.469466
Surface area
3.6645406020208E+15
Volume
9.175127427405E+22
Height
43366382.3002