91431490 is an even 8-digits composite number following 91431489
and preceding 91431491 . In scientific notation, it is written as 9.1431490 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 35311360 positive integers (up to 91431490) that are relatively prime to 91431490.
91431490 has 16 divisors, whose sum is 170252280
The reverse of 91431490 is 09413419
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
ninety-one million four hundred thirty-one thousand four hundred ninety
Scientific notation
9.1431490 × 10^7
Engineering notation
9.1431490 × 10^6
Prime Factorization
2 × 5 × 29 × 315281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
91431490
Product of the distinct prime numbers
The prime factorization of 91431490 is 2 × 5 × 29 × 315281.
Since it has a total of 4 prime factors.
5 , 8 , 27 , 15 , 655 , 747 , 8608 , 9669 , 84409 , 49210 , 526825 , 274573 , 2568200 , 5928470 , 92092139 , 20215518 , 872268908 , 276605410 , 7093620100 , 9883525041
n×2
182862980
n×3
274294470
n×4
365725960
n×5
457157450
n÷2
45715745
n÷3
30477163.333333
n÷3
22857872.5
n÷5
18286298
n2
8359717363620100
n3
7.6434141453466E+23
n4
6.9884874399611E+31
n5
6.3896781948193E+39
2 √n
9561.9814892103
3 √n
450.50394571898
4 √n
97.785384844619
5 √n
39.103817688838
1 , 2 , 5 , 10 , 29 , 58 , 145 , 290 , 315281 , 630562 , 1576405 , 3152810 , 9143149 , 18286298 , 45715745 , 91431490
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91431489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91431490 can be divided by 16 positive divisors.
The sum of these divisors (counting 91431490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011100110010001001000010
3
Ternary
20101001012102111
4
Quaternary
11130302021002
5
Quinary
141401301430
6
Senary
13023405534
8
Octal
534621102
10
Decimal
91431490
12
Duodecimal
267538aa
16
Hexadecimal
5732242
20
Vigesimal
18b8iea
36
Base36
1ifozm
md5
b57803b37aa009f46cdab03bdef514ca
sha1
ad4f3492cf195ac27a6f00c605f7f10e9d0fabc3
sha256
35b95f19e9db9856fd7c34a8496d5efe7373d154456a7bb967bb1ac4a96f187b
sha512
4d12663a8fc0383e4e81ef6ba3faeb6a85e85438e942ea119a680a70bc9ec675d8a7379009b72129432a982eedb72cb4156120dd4554ea736e87b0e5838068d0
ripemd-160
45e3a302826cd228075a35c655900b3e00d3c532
Diameter
182862980
Circumference
574480994.58154
Area
2.6262826655636E+16
Volume
3.2016658303153E+24
Surface area
1.0505130662254E+17
Circumference
574480994.58154
Perimeter
365725960
Area
8359717363620100
Diagonal
129303653.18598
Surface area
50158304181720600
Volume
7.6434141453466E+23
Space diagonal
158363986.09173
Perimeter
274294470
Area
3.6198638026764E+15
Altitude
79181993.045863
Surface area
3.6198638026764E+15
Volume
9.0078499559862E+22
Height
43101217.72866