91991470 is an even 8-digits composite number following 91991469
and preceding 91991471 . In scientific notation, it is written as 9.1991470 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 36769824 positive integers (up to 91991470) that are relatively prime to 91991470.
91991470 has 16 divisors, whose sum is 165705120
The reverse of 91991470 is 07419919
Previous prime number is 1933
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
ninety-one million nine hundred ninety-one thousand four hundred seventy
Scientific notation
9.1991470 × 10^7
Engineering notation
9.1991470 × 10^6
Prime Factorization
2 × 5 × 1933 × 4759
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
91991470
Product of the distinct prime numbers
The prime factorization of 91991470 is 2 × 5 × 1933 × 4759.
Since it has a total of 4 prime factors.
8 , 9 , 78 , 86 , 860 , 206 , 8189 , 9790 , 11311 , 26954 , 655775 , 264095 , 5024637 , 2786433 , 23568891 , 38423039 , 996520871 , 391916461 , 6465695435 , 7235885206
n×2
183982940
n×3
275974410
n×4
367965880
n×5
459957350
n÷2
45995735
n÷3
30663823.333333
n÷3
22997867.5
n÷5
18398294
n2
8462430552760900
n3
7.7847142632139E+23
n4
7.1612730860301E+31
n5
6.5877603825535E+39
2 √n
9591.2183793301
3 √n
451.42179113469
4 √n
97.934765937996
5 √n
39.151599710604
1 , 2 , 5 , 10 , 1933 , 3866 , 4759 , 9518 , 9665 , 19330 , 23795 , 47590 , 9199147 , 18398294 , 45995735 , 91991470
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
-91991469
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 91991470 can be divided by 16 positive divisors.
The sum of these divisors (counting 91991470) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011110111010110110101110
3
Ternary
20102002122120111
4
Quaternary
11132322312232
5
Quinary
142022211340
6
Senary
13043410234
8
Octal
536726656
10
Decimal
91991470
12
Duodecimal
2698397a
16
Hexadecimal
57badae
20
Vigesimal
18eiida
36
Base36
1irp2m
md5
aa713e3e93111fc131143f5a1fec4760
sha1
ea46981785cb892071f8d2a19d5248c4a6358091
sha256
a66a99fad7c8f9f388fecc4b14ffea1e135cd071336ffd1b1baf4ed6bd8b944b
sha512
37a01465c5c673efff221fbdd14609d2335eed58db3745f4a4a3beecaf099cb54a2333b4becc53e50a69a6c7c2936dedf135d99d825075907fd50b9e56451cef
ripemd-160
2f3e10235979fd5bf61091a098db77e9167962a8
Diameter
183982940
Circumference
577999452.68985
Area
2.6585509656067E+16
Volume
3.2608534852811E+24
Surface area
1.0634203862427E+17
Circumference
577999452.68985
Perimeter
367965880
Area
8462430552760900
Diagonal
130095584.49664
Surface area
50774583316565400
Volume
7.7847142632139E+23
Space diagonal
159333899.90295
Perimeter
275974410
Area
3.6643399182263E+15
Altitude
79666949.951474
Surface area
3.6643399182263E+15
Volume
9.1743737418636E+22
Height
43365194.832213