91991572 is an even 8-digits composite number following 91991571
and preceding 91991573 . In scientific notation, it is written as 9.1991572 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 45890136 positive integers (up to 91991572) that are relatively prime to 91991572.
91991572 has 12 divisors, whose sum is 161355040
The reverse of 91991572 is 27519919
Previous prime number is 439
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
ninety-one million nine hundred ninety-one thousand five hundred seventy-two
Scientific notation
9.1991572 × 10^7
Engineering notation
9.1991572 × 10^6
Prime Factorization
2 × 2 × 439 × 52387
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
45995786
Product of the distinct prime numbers
The prime factorization of 91991572 is 2 × 2 × 439 × 52387.
Since it has a total of 4 prime factors.
6 , 7 , 90 , 64 , 643 , 420 , 320 , 1619 , 60152 , 36322 , 232954 , 345668 , 5262913 , 5759793 , 27666443 , 43206117 , 764453262 , 705545036 , 1524342011 , 1160602814
n×2
183983144
n×3
275974716
n×4
367966288
n×5
459957860
n÷2
45995786
n÷3
30663857.333333
n÷3
22997893
n÷5
18398314.4
n2
8462449319031184
n3
7.7847401582801E+23
n4
7.1613048477171E+31
n5
6.5877969051272E+39
2 √n
9591.2236966927
3 √n
451.42195797989
4 √n
97.934793085464
5 √n
39.151608392847
1 , 2 , 4 , 439 , 878 , 1756 , 52387 , 104774 , 209548 , 22997893 , 45995786 , 91991572
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91991571
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91991572 can be divided by 12 positive divisors.
The sum of these divisors (counting 91991572) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101011110111010111000010100
3
Ternary
20102002122201021
4
Quaternary
11132322320110
5
Quinary
142022212242
6
Senary
13043410524
8
Octal
536727024
10
Decimal
91991572
12
Duodecimal
26983a44
16
Hexadecimal
57bae14
20
Vigesimal
18eiiic
36
Base36
1irp5g
md5
acbe00c7720361d15477ea9a0a01db47
sha1
879d00f3e220de403383b590b7bed9af25af7485
sha256
9fac171a0689b40ca04c6d5899278bf53c7d317353b121e2cdbe22f8a6a81400
sha512
9f0877601d7176c3dcff996e6df0de77c4a1b2baffa6a3778e25c1c028faf9daee4d0170f5a51e478ee44ac07d033d361bc33ee0e01881a8f56e4b05ff587491
ripemd-160
26a94e1dd2194e950a2a32982646fe393718e555
Diameter
183983144
Circumference
578000093.57475
Area
2.6585568612044E+16
Volume
3.2608643321811E+24
Surface area
1.0634227444818E+17
Circumference
578000093.57475
Perimeter
367966288
Area
8462449319031184
Diagonal
130095728.74642
Surface area
50774695914187104
Volume
7.7847401582801E+23
Space diagonal
159334076.57213
Perimeter
275974716
Area
3.6643480442597E+15
Altitude
79667038.286065
Surface area
3.6643480442597E+15
Volume
9.1744042594918E+22
Height
43365242.915474