91990816 is an even 8-digits composite number following 91990815
and preceding 91990817 . In scientific notation, it is written as 9.1990816 × 10^7.
The sum of its digits is 43. It has a total of 7 prime factors and 24 positive divisors.
There are 45858048 positive integers (up to 91990816) that are relatively prime to 91990816.
91990816 has 24 divisors, whose sum is 181647900
The reverse of 91990816 is 61809919
Previous prime number is 349
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
ninety-one million nine hundred ninety thousand eight hundred sixteen
Scientific notation
9.1990816 × 10^7
Engineering notation
9.1990816 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 349 × 8237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
5749426
Product of the distinct prime numbers
The prime factorization of 91990816 is 2 × 2 × 2 × 2 × 2 × 349 × 8237.
Since it has a total of 7 prime factors.
2 , 8 , 75 , 19 , 515 , 613 , 3322 , 1248 , 92377 , 2692 , 187189 , 204673 , 6330130 , 6955631 , 68509523 , 32400106 , 679622965 , 318019940 , 1089441641 , 2155820634
n×2
183981632
n×3
275972448
n×4
367963264
n×5
459954080
n÷2
45995408
n÷3
30663605.333333
n÷3
22997704
n÷5
18398163.2
n2
8462310228345856
n3
7.7845482315068E+23
n4
7.1610694400767E+31
n5
6.5875262122532E+39
2 √n
9591.1842855823
3 √n
451.42072135959
4 √n
97.934591874282
5 √n
39.151544041923
1 , 2 , 4 , 8 , 16 , 32 , 349 , 698 , 1396 , 2792 , 5584 , 8237 , 11168 , 16474 , 32948 , 65896 , 131792 , 263584 , 2874713 , 5749426 , 11498852 , 22997704 , 45995408 , 91990816
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91990815
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91990816 can be divided by 24 positive divisors.
The sum of these divisors (counting 91990816) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101011110111010101100100000
3
Ternary
20102002121200021
4
Quaternary
11132322230200
5
Quinary
142022201231
6
Senary
13043403224
8
Octal
536725440
10
Decimal
91990816
12
Duodecimal
26983514
16
Hexadecimal
57bab20
20
Vigesimal
18eih0g
36
Base36
1irokg
md5
7ec8e762e98c449daf1aef1d9224dae1
sha1
253222a307e024ca616b609727552c1848736836
sha256
ae022cf30ed48827143443773671587c2279fed4d1fee523314957cfe98cda2f
sha512
d39927bcff4e702ecc115d7c607e1c97502de0d98097d90cb7e51e544fa888c051bd69caf14184b8b4c6752eb78b208c487a4c5cb5939745c874624aac0b1d0b
ripemd-160
cfe89b02cd9aeff9ee4a09afbabd47dfb498a18b
Diameter
183981632
Circumference
577995343.48666
Area
2.6585131645769E+16
Volume
3.2607839380823E+24
Surface area
1.0634052658308E+17
Circumference
577995343.48666
Perimeter
367963264
Area
8462310228345856
Diagonal
130094659.60097
Surface area
50773861370075136
Volume
7.7845482315068E+23
Space diagonal
159332767.14172
Perimeter
275972448
Area
3.6642878162262E+15
Altitude
79666383.57086
Surface area
3.6642878162262E+15
Volume
9.1741780716204E+22
Height
43364886.533656