91991406 is an even 8-digits composite number following 91991405
and preceding 91991407 . In scientific notation, it is written as 9.1991406 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 28022400 positive integers (up to 91991406) that are relatively prime to 91991406.
91991406 has 32 divisors, whose sum is 200114208
The reverse of 91991406 is 60419919
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
ninety-one million nine hundred ninety-one thousand four hundred six
Scientific notation
9.1991406 × 10^7
Engineering notation
9.1991406 × 10^6
Prime Factorization
2 × 13 × 3 × 101 × 11677
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
91991406
Product of the distinct prime numbers
The prime factorization of 91991406 is 2 × 13 × 3 × 101 × 11677.
Since it has a total of 5 prime factors.
2 , 2 , 68 , 4 , 555 , 315 , 1296 , 7846 , 37863 , 3330 , 303634 , 578359 , 8070434 , 6213403 , 43601510 , 94074270 , 480650837 , 145972284 , 6745939250 , 2965877520
n×2
183982812
n×3
275974218
n×4
367965624
n×5
459957030
n÷2
45995703
n÷3
30663802
n÷3
22997851.5
n÷5
18398281.2
n2
8462418777856836
n3
7.7846980153585E+23
n4
7.1612531571824E+31
n5
6.5877374665115E+39
2 √n
9591.2150429442
3 √n
451.42168644744
4 √n
97.934748904279
5 √n
39.151594262918
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 101 , 202 , 303 , 606 , 1313 , 2626 , 3939 , 7878 , 11677 , 23354 , 35031 , 70062 , 151801 , 303602 , 455403 , 910806 , 1179377 , 2358754 , 3538131 , 7076262 , 15331901 , 30663802 , 45995703 , 91991406
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91991405
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91991406 can be divided by 32 positive divisors.
The sum of these divisors (counting 91991406) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101011110111010110101101110
3
Ternary
20102002122111010
4
Quaternary
11132322311232
5
Quinary
142022211111
6
Senary
13043410050
8
Octal
536726556
10
Decimal
91991406
12
Duodecimal
26983926
16
Hexadecimal
57bad6e
20
Vigesimal
18eiia6
36
Base36
1irp0u
md5
1597c46f1f36581818b62adbf8f50030
sha1
b86d0cc9744bb855b01c6ec57fa44fed0651ebf6
sha256
6df2fb455af1baa542306a636e2762b952dc1b157fc9f5ac0c532685c79a5109
sha512
0435928c3becc4d0a29277ea2571f1a2235595d27723ad54e79ec9ba12f40ddda07bdae2eac02905aecf41616c62ac27596214db308c6a36eebe8046595fe28f
ripemd-160
191a6381e7ef7013275466563b53c5038113333b
Diameter
183982812
Circumference
577999050.56599
Area
2.6585472664115E+16
Volume
3.2608466793954E+24
Surface area
1.0634189065646E+17
Circumference
577999050.56599
Perimeter
367965624
Area
8462418777856836
Diagonal
130095493.98697
Surface area
50774512667141016
Volume
7.7846980153585E+23
Space diagonal
159333789.0517
Perimeter
275974218
Area
3.6643348195432E+15
Altitude
79666894.525848
Surface area
3.6643348195432E+15
Volume
9.1743545935824E+22
Height
43365164.662323