91997972 is an even 8-digits composite number following 91997971
and preceding 91997973 . In scientific notation, it is written as 9.1997972 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors.
There are 41817240 positive integers (up to 91997972) that are relatively prime to 91997972.
91997972 has 12 divisors, whose sum is 175632576
The reverse of 91997972 is 27979919
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
ninety-one million nine hundred ninety-seven thousand nine hundred seventy-two
Scientific notation
9.1997972 × 10^7
Engineering notation
9.1997972 × 10^6
Prime Factorization
2 × 2 × 11 × 2090863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
45998986
Product of the distinct prime numbers
The prime factorization of 91997972 is 2 × 2 × 11 × 2090863.
Since it has a total of 4 prime factors.
8 , 2 , 24 , 27 , 110 , 950 , 576 , 4178 , 2456 , 32391 , 351545 , 913493 , 1184237 , 5699775 , 13324412 , 7544826 , 307246046 , 722127981 , 9945402187 , 2832711169
n×2
183995944
n×3
275993916
n×4
367991888
n×5
459989860
n÷2
45998986
n÷3
30665990.666667
n÷3
22999493
n÷5
18399594.4
n2
8463626852112784
n3
7.7863650615912E+23
n4
7.1632979491805E+31
n5
6.5900888415636E+39
2 √n
9591.5573292349
3 √n
451.43242645169
4 √n
97.936496410863
5 √n
39.152153145622
1 , 2 , 4 , 11 , 22 , 44 , 2090863 , 4181726 , 8363452 , 22999493 , 45998986 , 91997972
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
-91997971
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 91997972 can be divided by 12 positive divisors.
The sum of these divisors (counting 91997972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101011110111100011100010100
3
Ternary
20102002222111022
4
Quaternary
11132330130110
5
Quinary
142022413342
6
Senary
13043500312
8
Octal
536743424
10
Decimal
91997972
12
Duodecimal
26987698
16
Hexadecimal
57bc714
20
Vigesimal
18ejeic
36
Base36
1iru38
md5
57b9a489927681ec3b1bc31371aa0b95
sha1
da298781a9b9a07127bbb2bae6ba81faad4618f1
sha256
efbf48e3c5d9ba5024b35501aa0435e6c896a48e3d6f05659decc31189bc84bf
sha512
752da19e051c488dcf36fd455b8e1f2b46fc14a63a986bbb89065822412b9262520439ae58dadda9255d3980b533bc6f057988f1604c0e3e0efad1d141e7cbd7
ripemd-160
ebb084048144111b286e80a6288babf35f18721f
Diameter
183995944
Circumference
578040305.96072
Area
2.6589267941323E+16
Volume
3.2615449700884E+24
Surface area
1.0635707176529E+17
Circumference
578040305.96072
Perimeter
367991888
Area
8463626852112784
Diagonal
130104779.71322
Surface area
50781761112676704
Volume
7.7863650615912E+23
Space diagonal
159345161.6973
Perimeter
275993916
Area
3.6648579310409E+15
Altitude
79672580.848649
Surface area
3.6648579310409E+15
Volume
9.1763192264086E+22
Height
43368259.904407