91388900 is an even 8-digits composite number following 91388899
and preceding 91388901 . In scientific notation, it is written as 9.1388900 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 18 positive divisors.
There are 36555520 positive integers (up to 91388900) that are relatively prime to 91388900.
91388900 has 18 divisors, whose sum is 198314130
The reverse of 91388900 is 00988319
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
ninety-one million three hundred eighty-eight thousand nine hundred
Scientific notation
9.1388900 × 10^7
Engineering notation
9.1388900 × 10^6
Prime Factorization
2 × 2 × 5 × 5 × 913889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9138890
Product of the distinct prime numbers
The prime factorization of 91388900 is 2 × 2 × 5 × 5 × 913889.
Since it has a total of 5 prime factors.
3 , 4 , 70 , 4 , 889 , 641 , 2302 , 4374 , 4660 , 91161 , 38742 , 866634 , 2687443 , 727297 , 24144589 , 57064255 , 454532447 , 112007691 , 5378708125 , 4115024301
n×2
182777800
n×3
274166700
n×4
365555600
n×5
456944500
n÷2
45694450
n÷3
30462966.666667
n÷3
22847225
n÷5
18277780
n2
8351931043210000
n3
7.6327379091481E+23
n4
6.9754752150535E+31
n5
6.37481006881E+39
2 √n
9559.75418094
3 √n
450.43398461841
4 √n
97.773995422812
5 √n
39.100173994539
1 , 2 , 4 , 5 , 10 , 20 , 25 , 50 , 100 , 913889 , 1827778 , 3655556 , 4569445 , 9138890 , 18277780 , 22847225 , 45694450 , 91388900
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91388899
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91388900 can be divided by 18 positive divisors.
The sum of these divisors (counting 91388900) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
101011100100111101111100100
3
Ternary
20100222001000002
4
Quaternary
11130213233210
5
Quinary
141343421100
6
Senary
13022440432
8
Octal
534475744
10
Decimal
91388900
12
Duodecimal
26733118
16
Hexadecimal
5727be4
20
Vigesimal
18b3c50
36
Base36
1ies4k
md5
de98ed685794d09f86001031cb2ed8e0
sha1
1af0ff2227ffa8b3cc27c23477453aa4b2e4c8bf
sha256
88eefdf01d3017da7fc3fd72ddbbdc6a7021fcd3f5a6d9c562a62e210372742c
sha512
e9770174b155d2961ebc92cb86c52708a12bea6b2a6369471ebfe0647d377147aa4e1bb9dc36c083b23dadac23b44a26169ce8efa98e4da9dadbaa328c6b56b5
ripemd-160
01bf7d8d0d01606f98889a9cb4295eab4dc28db0
Diameter
182777800
Circumference
574213393.7193
Area
2.6238365208637E+16
Volume
3.1971937789541E+24
Surface area
1.0495346083455E+17
Circumference
574213393.7193
Perimeter
365555600
Area
8351931043210000
Diagonal
129243421.83036
Surface area
50111586259260000
Volume
7.6327379091481E+23
Space diagonal
158290218.04783
Perimeter
274166700
Area
3.6164922270379E+15
Altitude
79145109.023916
Surface area
3.6164922270379E+15
Volume
8.9952678909638E+22
Height
43081140.61012