91991379 is an odd 8-digits composite number following 91991378
and preceding 91991380 . In scientific notation, it is written as 9.1991379 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 60082176 positive integers (up to 91991379) that are relatively prime to 91991379.
91991379 has 16 divisors, whose sum is 125172000
The reverse of 91991379 is 97319919
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
ninety-one million nine hundred ninety-one thousand three hundred seventy-nine
Scientific notation
9.1991379 × 10^7
Engineering notation
9.1991379 × 10^6
Prime Factorization
3 × 113 × 89 × 3049
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
91991379
Product of the distinct prime numbers
The prime factorization of 91991379 is 3 × 113 × 89 × 3049.
Since it has a total of 4 prime factors.
9 , 6 , 32 , 96 , 888 , 648 , 1284 , 1062 , 91589 , 80341 , 722750 , 555269 , 2583494 , 538326 , 56641753 , 39723971 , 926949828 , 363020154 , 8878315052 , 5804156101
n×2
183982758
n×3
275974137
n×4
367965516
n×5
459956895
n÷2
45995689.5
n÷3
30663793
n÷3
22997844.75
n÷5
18398275.8
n2
8462413810321641
n3
7.7846911608013E+23
n4
7.1612447497122E+31
n5
6.5877277988254E+39
2 √n
9591.2136354061
3 √n
451.42164228249
4 √n
97.934741718177
5 √n
39.151591964675
1 , 3 , 89 , 113 , 267 , 339 , 3049 , 9147 , 10057 , 30171 , 271361 , 344537 , 814083 , 1033611 , 30663793 , 91991379
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
-91991378
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 91991379 can be divided by 16 positive divisors.
The sum of these divisors (counting 91991379) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011110111010110101010011
3
Ternary
20102002122110010
4
Quaternary
11132322311103
5
Quinary
142022211004
6
Senary
13043410003
8
Octal
536726523
10
Decimal
91991379
12
Duodecimal
26983903
16
Hexadecimal
57bad53
20
Vigesimal
18eii8j
36
Base36
1irp03
md5
09e3a8b7b3aa9c63e987998d2a913d81
sha1
c3c1be897faf3a8f5874e782129ceb20624303db
sha256
5ad3445338d33a30e5cbc0267cb944749e5a58f76f7b6677d8c16944829aa47f
sha512
e6a5c32e1d796b16bb665817299804d5497efb9344466894d2ceb775a5783ac9061d2147434f85c5d8d2a8e53b9ba26db02907cf304ea3976eadf3649e3f1b82
ripemd-160
68922f2111481e7fda6ce8139b57ea10627dece1
Diameter
183982758
Circumference
577998880.91999
Area
2.6585457058143E+16
Volume
3.2608438081652E+24
Surface area
1.0634182823257E+17
Circumference
577998880.91999
Perimeter
367965516
Area
8462413810321641
Diagonal
130095455.8032
Surface area
50774482861929846
Volume
7.7846911608013E+23
Space diagonal
159333742.28632
Perimeter
275974137
Area
3.6643326685374E+15
Altitude
79666871.143162
Surface area
3.6643326685374E+15
Volume
9.1743465154093E+22
Height
43365151.934401