91993889 is an odd 8-digits composite number following 91993888
and preceding 91993890 . In scientific notation, it is written as 9.1993889 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 84917424 positive integers (up to 91993889) that are relatively prime to 91993889.
91993889 has 4 divisors, whose sum is 99070356
The reverse of 91993889 is 98839919
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
ninety-one million nine hundred ninety-three thousand eight hundred eighty-nine
Scientific notation
9.1993889 × 10^7
Engineering notation
9.1993889 × 10^6
Prime Factorization
13 × 7076453
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
91993889
Product of the distinct prime numbers
The prime factorization of 91993889 is 13 × 7076453.
Since it has a total of 2 prime factors.
9 , 2 , 87 , 9 , 951 , 253 , 2090 , 1026 , 17328 , 27156 , 640809 , 726003 , 5945806 , 5716772 , 61648388 , 91235561 , 612441385 , 431603883 , 1855390316 , 5436307202
n×2
183987778
n×3
275981667
n×4
367975556
n×5
459969445
n÷2
45996944.5
n÷3
30664629.666667
n÷3
22998472.25
n÷5
18398777.8
n2
8462875613344321
n3
7.785328397948E+23
n4
7.1620263646938E+31
n5
6.5886265840872E+39
2 √n
9591.3444834392
3 √n
451.42574794989
4 √n
97.935409752751
5 √n
39.151805613876
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
-91993888
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 91993889 can be divided by 4 positive divisors.
The sum of these divisors (counting 91993889) is 1, the average is 0.25.
Base
System
Value
2
Binary
101011110111011011100100001
3
Ternary
20102002202220002
4
Quaternary
11132323130201
5
Quinary
142022301024
6
Senary
13043425345
8
Octal
536733441
10
Decimal
91993889
12
Duodecimal
26985255
16
Hexadecimal
57bb721
20
Vigesimal
18ej4e9
36
Base36
1irqxt
md5
1810f24dc613e2426329feef1b7b90b9
sha1
b736d0b6c54735b753daa660ac352452e8e9687f
sha256
34d652b95cda8427c306a09e98884d9f1b9468d418359a4a715be42e8e3b0c39
sha512
06cbd57016f368b98ec3411add889f98f8dfd38a1855eae0d622f56e3e0334c75cf6a1fe509baa0127900be6721c5f9af1f39822e874eebd3076cc71c6352af9
ripemd-160
284ea11f2ccf4405602c301277fa8deab8586c15
Diameter
183987778
Circumference
578014651.71511
Area
2.6586907855127E+16
Volume
3.261110733437E+24
Surface area
1.0634763142051E+17
Circumference
578014651.71511
Perimeter
367975556
Area
8462875613344321
Diagonal
130099005.47925
Surface area
50777253680065926
Volume
7.785328397948E+23
Space diagonal
159338089.73385
Perimeter
275981667
Area
3.664532635112E+15
Altitude
79669044.866926
Surface area
3.664532635112E+15
Volume
9.1750975065888E+22
Height
43366335.159748